Live/247 Rank/California

California 24/7 Rank

Every station in California ranked by its 247 score out of 100: how reliably it reports, how accurate its readings are against a reference station, how they pass their checks and how they stand against the forecast, over the last seven days.

4,465 stations ranked24.1% sent every report dueranked October 16, 2026page 3 of 18California instrumentsCalifornia weather

A station is ranked once its week holds enough reports to measure: 12, or 3 days for a gauge that reports once a day. Of the 4,465 ranked here, 4,238 have a page of their own; the rest are platforms heard here that have not yet reported enough to be listed.

Every station, ranked

Rank	Station	Score	Network	County	Received	Reports	Arrives in	Longest silence
497	High Sierra RAWSHSQC1	95.6	Gauge	Fresno	100%	168 of 168	14 min	70 min
497	Horse Thief Springs RAWSHTSC1	95.6	Gauge	San Bernardino	100%	168 of 168	14 min	70 min
497	Japatul FireJFSC1	95.6	Gauge	San Diego	100%	168 of 168	14 min	70 min
497	Mid Hills RAWSMDHC1	95.6	Gauge	San Bernardino	100%	168 of 168	14 min	70 min
497	Squaw Springs RAWSSQSC1	95.6	Gauge	San Bernardino	100%	168 of 168	14 min	70 min
497	Wawona RAWSWWNC1	95.6	Gauge	Mariposa	100%	168 of 168	14 min	70 min
507	Blue MaxBMXC1	95.6	Gauge	Kern	99.4%	167 of 168	13 min	2 h
507	Chuchupate RsCUUC1	95.6	Gauge	Ventura	99.4%	167 of 168	13 min	2 h
507	Avalon - Catalina Island RAWSCWNC1	95.6	Gauge	Los Angeles	99.4%	167 of 168	13 min	2 h
507	Carpinteria RAWSCXPC1	95.6	Gauge	Santa Barbara	99.4%	167 of 168	13 min	2 h
507	Oak Ck RAWSIDPC1	95.6	Gauge	Inyo	99.4%	167 of 168	13 min	2 h
507	Oak Knoll Ranger StationOKNC1	95.6	Gauge	Siskiyou	99.4%	167 of 168	13 min	2 h
507	Ozena F.S. RAWSOZNC1	95.6	Gauge	Ventura	99.4%	167 of 168	13 min	2 h
507	Roadrunner RAWSRRNC1	95.6	Gauge	Imperial	99.4%	167 of 168	13 min	2 h
507	Long Beach - San Clemente IslandSCJC1	95.6	Gauge	Los Angeles	99.4%	167 of 168	13 min	2 h
507	Sawyers Bar RsSWBC1	95.6	Gauge	Siskiyou	99.4%	167 of 168	13 min	2 h
517	Metcalf GapMCFC1	95.6	Gauge	Madera	99.4%	167 of 168	13 min	2 h
517	Owens CampOWNC1	95.6	Gauge	El Dorado	99.4%	167 of 168	13 min	2 h
517	Los Banos RAWSSLRC1	95.6	Gauge	Merced	99.4%	167 of 168	13 min	2 h
520	Chino AirportCNO	95.6	Airport	San Bernardino	97.0%	163 of 168	6 min	2 h
521	99NB at Dillard RoadCD044	95.6	Road	Sacramento	94.0%	474 of 504	16 min	68 min
522	SalinasSNS	95.5	Airport	Monterey	100%	168 of 168	6 min	60 min
523	Lompoc (AWOS)LPC	95.5	Airport	Santa Barbara	100%	168 of 168	8 min	88 min
524	Mt Shasta 2 RAWSMSAC1	95.5	Gauge	Siskiyou	100%	168 of 168	20 min	67 min
525	DVPC1DVPC1	95.5	DCP	-	100%	14 of 14	2.1 h	12 h
526	SLYC1SLYC1	95.5	DCP	-	100%	14 of 14	2.2 h	12 h
527	STJC1STJC1	95.5	DCP	-	100%	14 of 14	2.2 h	12 h
528	LOLC1LOLC1	95.5	DCP	-	100%	14 of 14	2.2 h	12 h
529	SORC1SORC1	95.5	DCP	-	100%	14 of 14	2.2 h	12 h
530	DOTC1DOTC1	95.5	DCP	-	100%	14 of 14	2.2 h	12 h
531	USGS/ALERT Gage/Forecast Point 5 SSW Salinas R Nr SpreckelsSPRC1	95.4	Gauge	Monterey	100%	336 of 336	15 min	31 min
532	Sierraville - Rice CanyonRNYC1	95.4	Gauge	Sierra	100%	168 of 168	15 min	60 min
533	Bear PeakBPKC1	95.4	Gauge	Tulare	100%	168 of 168	15 min	60 min
533	Laufman RAWSLAFC1	95.4	Gauge	Lassen	100%	168 of 168	15 min	60 min
533	Atlas PeakNAPC1	95.4	Gauge	Napa	100%	168 of 168	15 min	60 min
533	Pike County Lookout RAWSPKCC1	95.4	Gauge	Yuba	100%	168 of 168	15 min	60 min
537	Morro Bay1MB	95.4	Gauge	Sanluis Obispo	100%	168 of 168	15 min	61 min
537	Brea DamBDAC1	95.4	Gauge	Orange	100%	168 of 168	15 min	61 min
537	Benton RAWS @ BentonBETC1	95.4	Gauge	Mono	100%	168 of 168	15 min	61 min
537	Bogard Rgr STN RAWSBOGC1	95.4	Gauge	Lassen	100%	168 of 168	15 min	61 min
537	Carrizo GOESCAZC1	95.4	Gauge	Sanluis Obispo	100%	168 of 168	15 min	61 min
537	Cedar Grove RAWSCGVC1	95.4	Gauge	Fresno	100%	168 of 168	15 min	61 min
537	Crane Flat LookoutCNFC1	95.4	Gauge	Mariposa	100%	168 of 168	15 min	61 min
537	Diablo GrandeDBLC1	95.4	Gauge	Stanislaus	100%	168 of 168	15 min	61 min
537	Fence Meadow RAWSFNWC1	95.4	Gauge	Fresno	100%	168 of 168	15 min	61 min
537	Gilbert Street Precip Gage At San BernarGSPC1	95.4	Gauge	San Bernardino	100%	168 of 168	15 min	61 min
537	Los Angeles R Abv Arroyo Seco #3343LAAC1	95.4	Gauge	Los Angeles	100%	168 of 168	15 min	61 min
537	L.A. R @ WARDLOW 4 N L.A. R @ WardlowLAWC1	95.4	Gauge	Los Angeles	100%	168 of 168	15 min	61 min
537	Lost Horse RAWSLTHC1	95.4	Gauge	Riverside	100%	168 of 168	15 min	61 min
537	Mccloud RAWS (Ash Creek)MCCC1	95.4	Gauge	Siskiyou	100%	168 of 168	15 min	61 min
537	Whiskeytown Hq #2 Formerly Oak Bottom RaOBRC1	95.4	Gauge	Shasta	100%	168 of 168	15 min	61 min
537	Walker Pass GOESONYC1	95.4	Gauge	Kern	100%	168 of 168	15 min	61 min
537	Park RidgePRGC1	95.4	Gauge	Tulare	100%	168 of 168	15 min	61 min
537	Sepulveda DamPULC1	95.4	Gauge	Los Angeles	100%	168 of 168	15 min	61 min
537	Woodland HillsWDEC1	95.4	Gauge	Los Angeles	100%	168 of 168	15 min	61 min
537	3 WNW Wofford HeightsWFHC1	95.4	Gauge	Kern	100%	168 of 168	15 min	61 min
557	Sunol - Mines RoadMNIC1	95.4	Gauge	Alameda	100%	168 of 168	15 min	70 min
557	Sunol - Valle ArroyoVAEC1	95.4	Gauge	Alameda	100%	168 of 168	15 min	70 min
559	BarrettBAJC1	95.4	Gauge	San Diego	100%	168 of 168	15 min	71 min
559	Ben Lomond RAWSBNDC1	95.4	Gauge	Santa Cruz	100%	168 of 168	15 min	71 min
559	USGS Stream Gage At Cull C Ab Cull C Res Nr Castro ValleyCULC1	95.4	Gauge	Alameda	100%	168 of 168	15 min	71 min
559	Cuyama River Nr VentucopaCVPC1	95.4	Gauge	Ventura	100%	168 of 168	15 min	71 min
559	Granite Mountain RAWSGNTC1	95.4	Gauge	San Bernardino	100%	168 of 168	15 min	71 min
559	Kettleman HillsKTLC1	95.4	Gauge	Kings	100%	168 of 168	15 min	71 min
559	Lassen LodgeLSNC1	95.4	Gauge	Tehama	100%	168 of 168	15 min	71 min
559	San Lucas - MarquezMRQC1	95.4	Gauge	San Benito	100%	168 of 168	15 min	71 min
559	Rice Valley RAWSRVYC1	95.4	Gauge	Riverside	100%	168 of 168	15 min	71 min
559	Jacumba - Mountain Springs GradeTNSC1	95.4	Gauge	Imperial	100%	168 of 168	15 min	71 min
559	Zzyzx Field StationZZYC1	95.4	Gauge	San Bernardino	100%	168 of 168	15 min	71 min
570	CSLC1CSLC1	95.4	DCP	-	100%	14 of 14	2.2 h	12.7 h
571	ATCC1ATCC1	95.4	DCP	-	100%	14 of 14	2.2 h	12 h
572	CELC1CELC1	95.4	DCP	-	100%	14 of 14	2.2 h	15.2 h
573	SBFC1SBFC1	95.4	DCP	-	100%	14 of 14	2.2 h	12 h
574	Mailbu 7NE - CGSPFAC1	95.4	Gauge	Los Angeles	100%	14 of 14	2.2 h	12 h
575	Manteca 1.3 NCA-SJ-15	95.4	Volunteer	San Joaquin	100%	7 of 7	4.4 h	24 h
576	Placerville 3.7 SWCA-ED-3	95.4	Volunteer	El Dorado	100%	7 of 7	4.4 h	24 h
576	Lake Elsinore 2.8 SSWCA-RV-60	95.4	Volunteer	Riverside	100%	7 of 7	4.4 h	24 h
576	Beaumont 2.0 NWCA-RV-61	95.4	Volunteer	Riverside	100%	7 of 7	4.4 h	24 h
579	Oakhurst 1.4 SSECA-MA-12	95.4	Volunteer	Madera	100%	7 of 7	4.4 h	24 h
579	San Jose 6.2 WCA-SC-32	95.4	Volunteer	Santa Clara	100%	7 of 7	4.4 h	24 h
579	Stockton 5.8 NNECA-SJ-4	95.4	Volunteer	San Joaquin	100%	7 of 7	4.4 h	24 h
582	Soda Creek RAWSSOAC1	95.4	Gauge	Lake	99.4%	167 of 168	14 min	2 h
583	Rock Creek RAWSRCEC1	95.4	Gauge	Mono	99.4%	167 of 168	21 min	2 h
584	Prosser C Res Nr Truckee10340300	95.4	Gauge	Nevada	98.8%	166 of 168	13 min	2 h
585	San Francisco DowntownSFOC1	95.4	Gauge	San Francisco	98.2%	165 of 168	12 min	2 h
586	Nacimiento RsvrNACC1	95.4	Gauge	Sanluis Obispo	97.3%	327 of 336	10 min	65 min
587	LivermoreLVK	95.3	Airport	Alameda	100%	168 of 168	6 min	60 min
588	Whittier Narrows DamIERC1	95.3	Gauge	Los Angeles	99.7%	335 of 336	15 min	60 min
589	ByronC83	95.3	Airport	Contra Costa	99.6%	502 of 504	13 min	41 min
590	WeedWEEC1	95.3	Gauge	Siskiyou	99.4%	167 of 168	17 min	73 min
591	Berkeley 2E - R02BTBC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
591	San Leandro 2ENE - Chabot ResCHDC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
591	Castro Valley 2NE - Cull MaintenanceCMYC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
591	Emeryville - R32ETEC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
591	San Leandro 3NE - R28GVSC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
591	Alameda 3NE - R17HIHC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
591	Dublin 3ENE - Herb MaintHRBC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
591	San Leandro - Alameda CoHUFC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
591	Union City 2WSW - J3 PumpJPSC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
591	Fremont - Fire Station 1NAUC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
591	Piedmont 2NE - R06RCTC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
591	Rockridge - R19RMLC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
591	Alameda 3ESE - R29RTNC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
591	Union City 1ESEUCHC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
591	Castro Valley 4NE - Upper CrowUPNC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
591	Boulder Creek - San Lorenzo ValleyVWDC1	95.3	Gauge	Santa Cruz	99.2%	667 of 672	14 min	45 min
591	Ulmar 2ESE - Zone 7ZPPC1	95.3	Gauge	Alameda	99.2%	667 of 672	14 min	45 min
608	Boulder Creek - Riverside GroveRVGC1	95.3	Gauge	Santa Cruz	99.2%	667 of 672	14 min	45 min
609	Bryte Lab - Sacramento River (Byl)BYLC1	95.3	Gauge	Yolo	98.2%	55 of 56	25 min	6 h
610	Bangor RAWSBNGC1	95.2	Gauge	Butte	100%	168 of 168	14 min	70 min
611	Fancher CreekFCHC1	95.2	Gauge	Fresno	100%	168 of 168	15 min	61 min
612	Atlas Peak RawsATLC1	95.2	Gauge	Napa	100%	168 of 168	16 min	60 min
612	BlackhawkBHWC1	95.2	Gauge	Contra Costa	100%	168 of 168	16 min	60 min
612	Laytonville RAWSLAYC1	95.2	Gauge	Mendocino	100%	168 of 168	16 min	60 min
612	Sacramento National Wildlife RefugeNWRC1	95.2	Gauge	Glenn	100%	168 of 168	16 min	60 min
612	Santa Rosa RAWSRSAC1	95.2	Gauge	Sonoma	100%	168 of 168	16 min	60 min
617	Buttercup RAWSBTTC1	95.2	Gauge	Imperial	100%	168 of 168	16 min	60 min
617	CasitasCSVC1	95.2	Gauge	Ventura	100%	168 of 168	16 min	60 min
617	KnoxvilleKNXC1	95.2	Gauge	Lake	100%	168 of 168	16 min	60 min
617	Oak Grove RAWSOGVC1	95.2	Gauge	San Diego	100%	168 of 168	16 min	60 min
617	Coast DairiesXCDC1	95.2	Gauge	Santa Cruz	100%	168 of 168	16 min	60 min
622	Blue Door GOESBDOC1	95.2	Gauge	Lassen	100%	168 of 168	16 min	62 min
622	Brooks RAWSBKSC1	95.2	Gauge	Yolo	100%	168 of 168	16 min	62 min
622	Camp 6 RAWSCSXC1	95.2	Gauge	Del Norte	100%	168 of 168	16 min	62 min
622	Coyote-Thompson ValleyCYVC1	95.2	Gauge	Plumas	100%	168 of 168	16 min	62 min
622	Miami RAWSMIAC1	95.2	Gauge	Mariposa	100%	168 of 168	16 min	62 min
622	MinaretsMTTC1	95.2	Gauge	Madera	100%	168 of 168	16 min	62 min
622	Ravendale RAWSRVDC1	95.2	Gauge	Lassen	100%	168 of 168	16 min	62 min
622	Uhl RAWSUHLC1	95.2	Gauge	Tulare	100%	168 of 168	16 min	62 min
630	Wiley RidgeWLYC1	95.2	Gauge	Ventura	100%	168 of 168	16 min	72 min
631	Hell Hole RsvrHLLC1	95.2	Gauge	Placer	100%	168 of 168	16 min	84 min
632	Mount Zion RAWSMTZC1	95.2	Gauge	Amador	100%	168 of 168	19 min	65 min
633	Little Tujunga RAWSLTJC1	95.2	Gauge	Los Angeles	100%	168 of 168	20 min	67 min
634	TLNC1TLNC1	95.2	DCP	-	100%	15 of 15	2.2 h	12 h
635	Piru La/Vtu County LinePCIC1	95.2	Gauge	Ventura	99.4%	668 of 672	15 min	40 min
636	Ojai - San GuillermoGMOC1	95.2	Gauge	Ventura	99.4%	668 of 672	15 min	45 min
637	Alert Streamflow Gage 2 WNW Dunes ColonyDNCC1	95.2	Gauge	Monterey	99.4%	334 of 336	15 min	60 min
637	Whittier Narrows #3399WNSC1	95.2	Gauge	Los Angeles	99.4%	334 of 336	15 min	60 min
639	Alert Streamflow Gage At San Lorenzo C A King City Golf CourseKCGC1	95.2	Gauge	Monterey	99.4%	334 of 336	15 min	60 min
640	MeadowbrookMBKC1	95.2	Gauge	Fresno	99.4%	167 of 168	15 min	1.5 h
640	MahoganyMHYC1	95.2	Gauge	Tulare	99.4%	167 of 168	15 min	1.5 h
642	Alisal Reservoir Near SolvangALIC1	95.2	Gauge	Santa Barbara	99.4%	167 of 168	15 min	2 h
642	Big Bar GOESBGBC1	95.2	Gauge	Trinity	99.4%	167 of 168	15 min	2 h
642	Bull Flat GOESBUFC1	95.2	Gauge	Lassen	99.4%	167 of 168	15 min	2 h
642	USGS Stream Gage At Castro Valley C A HaywardCVCC1	95.2	Gauge	Alameda	99.4%	167 of 168	15 min	2 h
642	Horse Lake RAWSHLKC1	95.2	Gauge	Lassen	99.4%	167 of 168	15 min	2 h
642	Hoopa RAWSHOAC1	95.2	Gauge	Humboldt	99.4%	167 of 168	15 min	2 h
642	Boyden Cavern - SF Kings RiverKGPC1	95.2	Gauge	Fresno	99.4%	167 of 168	15 min	2 h
642	Cedar Grove - SF Kings RiverKRRC1	95.2	Gauge	Fresno	99.4%	167 of 168	15 min	2 h
642	AlcaldeLDEC1	95.2	Gauge	Fresno	99.4%	167 of 168	15 min	2 h
642	Mc Cloud R Nr Mc CloudMMCC1	95.2	Gauge	Siskiyou	99.4%	167 of 168	15 min	2 h
642	Mountain Home RAWSMNMC1	95.2	Gauge	Tulare	99.4%	167 of 168	15 min	2 h
642	Daggett - Mojave RiverMXDC1	95.2	Gauge	San Bernardino	99.4%	167 of 168	15 min	2 h
642	Blackrock Res - NF Kings BlanchNKRC1	95.2	Gauge	Fresno	99.4%	167 of 168	15 min	2 h
642	Carman SaddleQCSC1	95.2	Gauge	Plumas	99.4%	167 of 168	15 min	2 h
642	San Joaquin River 1 SE Sj Rvr Blo Friant DamSJFC1	95.2	Gauge	Fresno	99.4%	167 of 168	15 min	2 h
642	SESPE CREEK AT Sespe Creek Near Fillmore CaSSWC1	95.2	Gauge	Ventura	99.4%	167 of 168	15 min	2 h
642	South Fork Tule R Nr Indian ReservationTVRC1	95.2	Gauge	Tulare	99.4%	167 of 168	15 min	2 h
642	Upper San LeandroUSOC1	95.2	Gauge	Alameda	99.4%	167 of 168	15 min	2 h
642	Upper Cull CanyonUXCC1	95.2	Gauge	Solano	99.4%	167 of 168	15 min	2 h
661	Calaveras Big TreesARNC1	95.2	Gauge	Calaveras	99.4%	167 of 168	15 min	1.5 h
661	Black Butte Weather StationBWXC1	95.2	Gauge	Tehama	99.4%	167 of 168	15 min	1.5 h
661	Eastman Lake Weather StationELWC1	95.2	Gauge	Madera	99.4%	167 of 168	15 min	1.5 h
661	COLORADO RIVER AT Lake Havasu Near Parker Dam AzLKHC1	95.2	Gauge	San Bernardino	99.4%	167 of 168	15 min	1.5 h
661	Lodi - Mokelumne RiverMRWC1	95.2	Gauge	San Joaquin	99.4%	167 of 168	15 min	1.5 h
661	USGS/Alert Streamflow At Novato Creek A NovatoNVCC1	95.2	Gauge	Marin	99.4%	167 of 168	15 min	1.5 h
661	Lk Success DamSCSC1	95.2	Gauge	Tulare	99.4%	167 of 168	15 min	1.5 h
661	Tiger Creek Power HouseTIGC1	95.2	Gauge	Calaveras	99.4%	167 of 168	15 min	1.5 h
669	Bunning RanchBUNC1	95.2	Gauge	Mariposa	99.4%	167 of 168	15 min	1.8 h
670	USGS Stream Gage At Alameda C Bl Welch C Nr SunolAWEC1	95.2	Gauge	Alameda	99.4%	167 of 168	15 min	2 h
670	Chino Canyon Creek 5 W CHINO CYN CK BLW TRAMWAY 5W PSPCCCC1	95.2	Gauge	Riverside	99.4%	167 of 168	15 min	2 h
670	Meadow Vista - Combie LakeCMBC1	95.2	Gauge	Nevada	99.4%	167 of 168	15 min	2 h
670	USGS Stream Gage NW Laguna De Santa Rosa A Stony Point Road NrCTIC1	95.2	Gauge	Sonoma	99.4%	167 of 168	15 min	2 h
670	Death Valley - Furnace Creek Visitors CenterDEVC1	95.2	Gauge	Inyo	99.4%	167 of 168	15 min	2 h
670	Elder Creek AT Paskenta - Elder CreekEDCC1	95.2	Gauge	Tehama	99.4%	167 of 168	15 min	2 h
670	Wilseyville 4NE - Forest CreekFCWC1	95.2	Gauge	Calaveras	99.4%	167 of 168	15 min	2 h
670	Chinese Camp - Stanislaus RiverGWKC1	95.2	Gauge	Tuolumne	99.4%	167 of 168	15 min	2 h
670	S Fk Trinity River 3 NW HyampomHYMC1	95.2	Gauge	Trinity	99.4%	167 of 168	15 min	2 h
670	New R @ Intrntal Boundary @ CalexicoIBCC1	95.2	Gauge	Imperial	99.4%	167 of 168	15 min	2 h
670	Independence Lake NW Independence LakeILAC1	95.2	Gauge	Sierra	99.4%	167 of 168	15 min	2 h
670	Kaweah River At Mckay PointKWRC1	95.2	Gauge	Tulare	99.4%	167 of 168	15 min	2 h
670	Lytle Creek 3 N Lytle CkLCFC1	95.2	Gauge	San Bernardino	99.4%	167 of 168	15 min	2 h
670	Clear Lake Dam - Lost RiverLCLC1	95.2	Gauge	Modoc	99.4%	167 of 168	15 min	2 h
670	San Fernando - Lopez DamLPMC1	95.2	Gauge	Los Angeles	99.4%	167 of 168	15 min	2 h
670	USGS Stream Gage 2 E San Lorenzo C Ab Don Castro Res Nr Castro VLSCC1	95.2	Gauge	Alameda	99.4%	167 of 168	15 min	2 h
670	Martis Ck NrMCTC1	95.2	Gauge	Nevada	99.4%	167 of 168	15 min	2 h
670	New Hogan - Calaveras RiverNHQC1	95.2	Gauge	Calaveras	99.4%	167 of 168	15 min	2 h
670	Willitis 1NW - Outlet CreekOWMC1	95.2	Gauge	Mendocino	99.4%	167 of 168	15 min	2 h
670	Perris Valley Storm Drain 2 NE PERRISPRIC1	95.2	Gauge	Riverside	99.4%	167 of 168	15 min	2 h
670	Patterson Mtn RepeaterPTQC1	95.2	Gauge	Fresno	99.4%	167 of 168	15 min	2 h
670	Rio Hondo At GarveyRHGC1	95.2	Gauge	Los Angeles	99.4%	167 of 168	15 min	2 h
670	USGS Stream Gage At Maacama Creek Nr KelloggRMKC1	95.2	Gauge	Sonoma	99.4%	167 of 168	15 min	2 h
670	Salmon River AT Somes BarSBRC1	95.2	Gauge	Siskiyou	99.4%	167 of 168	15 min	2 h
670	Sacata RepeaterSEPC1	95.2	Gauge	Fresno	99.4%	167 of 168	15 min	2 h
670	San Jacinto River 2 WNW San Jacinto RiverSJKC1	95.2	Gauge	Riverside	99.4%	167 of 168	15 min	2 h
670	McKay Point - St Johns RiverSJLC1	95.2	Gauge	Tulare	99.4%	167 of 168	15 min	2 h
670	San Jacinto River 2 ESE ElsinoreSJVC1	95.2	Gauge	Riverside	99.4%	167 of 168	15 min	2 h
670	Middle Fk San Joaquin River Nr Mammoth LSJWC1	95.2	Gauge	Madera	99.4%	167 of 168	15 min	2 h
670	USGS/Alert Stream/Rain Gage At San Lorenzo C A San LorenzoSLCC1	95.2	Gauge	Alameda	99.4%	167 of 168	15 min	2 h
670	Santiago Creek 12 SSW Santiago Ck @ ModjeskaSMJC1	95.2	Gauge	Orange	99.4%	167 of 168	15 min	2 h
670	Sherman PeakSPJC1	95.2	Gauge	Tulare	99.4%	167 of 168	15 min	2 h
670	Lake Tahoe NE Tahoe CityTHLC1	95.2	Gauge	Placer	99.4%	167 of 168	15 min	2 h
670	Big Tujunga Creek AT Big Tujunga Creek Blw Hansen DamTJCC1	95.2	Gauge	Los Angeles	99.4%	167 of 168	15 min	2 h
670	USGS Stream Gage At Russian River Nr WindsorWDSC1	95.2	Gauge	Sonoma	99.4%	167 of 168	15 min	2 h
670	Wet MeadowWEMC1	95.2	Gauge	Tulare	99.4%	167 of 168	15 min	2 h
670	Wilseyville 1NW - MF Mokelumne RiverWPMC1	95.2	Gauge	Calaveras	99.4%	167 of 168	15 min	2 h
670	West Point 1SW - SF Mokelumne RiverWPSC1	95.2	Gauge	Calaveras	99.4%	167 of 168	15 min	2 h
670	Whitewater River 1 SSE Rancho MirageWWIC1	95.2	Gauge	Riverside	99.4%	167 of 168	15 min	2 h
670	Cache Creek AT YoloYLOC1	95.2	Gauge	Yolo	99.4%	167 of 168	15 min	2 h
670	Tule CanalYTCC1	95.2	Gauge	Yolo	99.4%	167 of 168	15 min	2 h
711	Carson Cyn DamCBDC1	95.2	Gauge	Orange	99.4%	167 of 168	15 min	2 h
711	Donner Lake 5 W Truckee-Donner LakeDNRC1	95.2	Gauge	Nevada	99.4%	167 of 168	15 min	2 h
711	Ellery LakeERYC1	95.2	Gauge	Mono	99.4%	167 of 168	15 min	2 h
711	Gustine 7ESEGSTC1	95.2	Gauge	Merced	99.4%	167 of 168	15 min	2 h
711	Santa Fe DamJFEC1	95.2	Gauge	Los Angeles	99.4%	167 of 168	15 min	2 h
711	Prado DamPDMC1	95.2	Gauge	Riverside	99.4%	167 of 168	15 min	2 h
711	San Antonio Dam #3380SOMC1	95.2	Gauge	San Bernardino	99.4%	167 of 168	15 min	2 h
711	Anza 4N - Thomas MountainTHNC1	95.2	Gauge	Riverside	99.4%	167 of 168	15 min	2 h
719	Tenaya LakeSFTC1	95.2	Gauge	Mariposa	99.4%	167 of 168	15 min	2 h
720	Black Rascal DiversionBLQC1	95.2	Gauge	Merced	99.4%	167 of 168	20 min	1.8 h
721	Tapo Canyon Near Simi ValleyTCNC1	95.2	Gauge	Ventura	99.1%	666 of 672	14 min	40 min
721	Wheeler Canyon Near VenturaWEHC1	95.2	Gauge	Ventura	99.1%	666 of 672	14 min	40 min
723	Matilija CanyonMJCC1	95.2	Gauge	Ventura	98.9%	665 of 672	14 min	45 min
724	Arroyo Seco River 2 W Arroyo Seco Bl Reliz CreekGRFC1	95.2	Gauge	Monterey	96.7%	325 of 336	10 min	65 min
725	Bicycle LakeBYS	95.1	Airport	San Bernardino	100%	168 of 168	13 min	66 min
726	Graniteville - Bowman LakeBWKC1	95.1	Gauge	Nevada	99.4%	167 of 168	19 min	2 h
727	Frazier Park 4WSW - Ranger StationCPEC1	95.1	Gauge	Ventura	99.1%	666 of 672	15 min	40 min
727	Ventura - Pine Mountain InnPIMC1	95.1	Gauge	Ventura	99.1%	666 of 672	15 min	40 min
729	USGS/Alert Stream Gage 1 S San Lorenzo River A Big TreesBTEC1	95.1	Gauge	Santa Cruz	99.1%	666 of 672	15 min	45 min
730	Mission Creek Near Mission StreetMSEC1	95.1	Gauge	Santa Barbara	98.8%	664 of 672	14 min	45 min
731	Sugar CutDSUC1	95.1	Gauge	San Joaquin	96.4%	54 of 56	15 min	6 h
732	Ramona AirportRNM	95.0	Airport	San Diego	100%	168 of 168	6 min	60 min
733	BoonvilleBNVC1	95.0	Gauge	Mendocino	100%	168 of 168	15 min	71 min
734	Crazy PeakCRZC1	95.0	Gauge	Siskiyou	100%	168 of 168	17 min	60 min
734	Eel River Camp RAWSERCC1	95.0	Gauge	Humboldt	100%	168 of 168	17 min	60 min
734	Granite SpringsGXSC1	95.0	Gauge	El Dorado	100%	168 of 168	17 min	60 min
734	Anza 5NE - KenworthyKWYC1	95.0	Gauge	Riverside	100%	168 of 168	17 min	60 min
734	Las Trampas RAWSLTRC1	95.0	Gauge	Contra Costa	100%	168 of 168	17 min	60 min
734	Black Diamond RAWSPIBC1	95.0	Gauge	Contra Costa	100%	168 of 168	17 min	60 min
734	Briones RAWSPLEC1	95.0	Gauge	Contra Costa	100%	168 of 168	17 min	60 min
734	Quartz HillQTZC1	95.0	Gauge	Siskiyou	100%	168 of 168	17 min	60 min
734	Rodeo Vly RAWSRDVC1	95.0	Gauge	Mendocino	100%	168 of 168	17 min	60 min
734	Sunol - Rose Peak RAWSRSPC1	95.0	Gauge	Alameda	100%	168 of 168	17 min	60 min
734	Thomes CreekTCKC1	95.0	Gauge	Tehama	100%	168 of 168	17 min	60 min
745	Cooskie Mtn RAWSPTEC1	95.0	Gauge	Humboldt	100%	168 of 168	17 min	60 min
746	Cold SpringsCSZC1	95.0	Gauge	Modoc	100%	168 of 168	17 min	63 min
746	PeppermintPEPC1	95.0	Gauge	Tulare	100%	168 of 168	17 min	63 min
746	Pinehurst RAWSPHRC1	95.0	Gauge	Fresno	100%	168 of 168	17 min	63 min
749	Batterson RAWSBSNC1	95.0	Gauge	Madera	100%	168 of 168	17 min	73 min
749	Markleeville 1SE - RAWSMKEC1	95.0	Gauge	Alpine	100%	168 of 168	17 min	73 min

How a station is ranked

The 247 Rank answers one question about a weather station: can its readings be relied on? A station has to deliver: its reports arrive when due, soon, without long silences. And its readings have to be right: close to a trusted station nearby, passing their checks, and in step with the weather the forecast and its neighbours confirm.

The 247 score

Storm Station's poller asks every network on its own schedule, around the clock, and keeps the time of every report it hears; the reference comparison and the forecast engine keep the rest. From the last seven days of that record each station is scored out of 100 on six parts, and its 247 score is their weighted mean:

Reports receivedweight 35The share of its scheduled reports received. A station that sends every 5 minutes is due 2,016 reports in a week; one that reports once a day is due 7. Each report is counted in a slot centred on the station's own report time, so a report a minute early or late is still on time, and the week ends an hour back, so a report still on its way is never counted missed.Full marks: 100% received. No marks: none received.
Arrivalweight 10The median time its reports took to arrive from the moment a reading was taken to the moment it reached Storm Station.Full marks: within 10 minutes, or a tenth of its schedule for a station that reports less often. No marks: an hour, or its whole schedule.
Continuityweight 10Its longest silence against its own schedule, so a daily gauge is not marked down for a day between reports.Full marks: a silence of 3 reports or less. No marks: 72 reports, falling evenly on a log scale between.
Accuracyweight 20How closely its temperature follows its reference station the nearest airport or climate reference station that reported within half an hour, up to 15 miles away, reading by reading; an airfield is compared with the nearest other airport, never its own report. A steady offset is taken out, and where both heights are known only the offset beyond 3 F that the height difference does not explain is counted.Full marks: within 1.5 F, allowing 0.1 F more for each mile to the reference. No marks: 6.5 F beyond that.
Instrument checksweight 15The share of its readings that pass a check. For an airfield, the check the forecast engine runs the next day: each reading against the stations around it, as weather services check their own. For any other station, a reading 20 F or more from its reference fails, unless the two stand 3,000 ft or more apart.Full marks: none failed. No marks: 5% failed.
Forecast checkweight 10How closely its temperature matched Storm Station's forecast for the same hours, checked the next day, for every airfield the forecast engine scores. A station whose readings stray far from a forecast its neighbours confirm is one to doubt.Full marks: within 2 F on average. No marks: 8 F.

A part is scored once the week holds 24 readings or comparisons for it. A part that cannot be measured where a station stands counts at the middle of its state's measured stations, so the station is neither lifted nor sunk by it. A part measured nowhere in the state is left out, and the others carry its weight.

From score to rank

Each state's stations are ranked by their score, to the tenth. At an equal score the longer record comes first: a station that sent 2,016 of 2,016 reports has shown more than one that sent 7 of 7. Then the faster arrival, then the shorter silence. Ties on all of them share a rank, as a race is scored: three stations tied for third are all third, and the next is sixth.

A station is ranked once its week holds enough reports to measure: 12, or 3 days for a gauge that reports once a day. The rank is made again every day, so a station that falls silent or starts to read wrong drops, and one that recovers climbs back. Every page shows the same ranking: a station's rank here, in its state's list and on its own page come from one run, and a new run reaches them together. Each station's page shows its score part by part, with the figures behind each.

The same figures as data

/api/ranks for a state and /api/rank for one station, its score in parts; the developer page has every field.