Storm Station
Sign in

At a river or reservoir gauge

DCP network, identified by the register

Identifier
GLVC1
Latitude
34.01370 N
Longitude
117.51020 W
Elevation
-
Listed
Automatically, on 141 reports in 136 hours over the last seven days
Observed
11:59 PMPDT, 2 hours ago
Precipitation today
0in

Ranking Statistics

At a river or reservoir gauge

Drawn as the kind of place it stands at. 432 instruments in California stand at one.

Station charts

Fontana 7SW - Glen Avon Report

Rank 3,616 of 4,465 in California, Oct 16. The 247 rank orders a state's stations by their 247 score out of 100: how reliably they report, how accurate their readings are against a reference station, how their readings pass their checks, and how they stand against the forecast.

Ranking Statistics

247 score79.8of 100

California median
91.6the median score of 4,465 stations
Scoring higher
3,615stations in California
Sharing its score
5ranks 3,616 to 3,620
Points deducted
20.210.0 arrival, 5.6 reports received, 2.9 accuracy, 0.9 continuity, 0.8 forecast check
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; California median 85.6, 100.0, 92.4
Next above
DW9528rank 3,615; ahead on 247 score 79.9 against 79.8
Next below
CIKC1rank 3,617; behind on median arrival 74 min 46 s against 74 min 49 s

Equal scores are ordered by the share of scheduled reports received, then the reports due in the week (the longer record first), then the median arrival, then the longest silence.

  1. Reports receivedweight 3583.929.4 of 35 pointsCalifornia median 98.5141 of 168 scheduled reports received in 7 days
  2. Arrivalweight 100.00.0 of 10 pointsCalifornia median 81.2half its reports arrived within 75 min
  3. Continuityweight 1090.99.1 of 10 pointsCalifornia median 100.0longest silence 4 h, on a schedule of one report every 60 min
  4. Accuracyweight 20-17.1 of 20 points, at the medianCalifornia median 85.6-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianCalifornia median 100.0-
  6. Forecast checkweight 10-9.2 of 10 points, at the medianCalifornia median 92.4-

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.

How each part is scored
Reports received
Full marks for every scheduled report received, none for none, in proportion between
Arrival
Full marks for a median arrival within 10 min, none at 60 min
Continuity
Full marks for a longest silence of 3 reports or less (3 h), none for 72 (72 h)
Accuracy
Full marks within 1.5 °F of its reference, typically, none beyond 8.0 °F
Instrument checks
Full marks for no reading failed, none for 5 per cent or more
Forecast check
Full marks within 2 °F of the forecast on average, none at 8 °F
Schedule
every houron the hour's :00
Reports received, 24 hours
19 of 2479.1% of its schedule
Reports received, 7 days
141 of 16883.9% of its schedule, 149 reports in all
Days reported, 30 days
30 of 30
Longest silence, 7 days
4 hoursfrom Oct 11, 7:00 AM
Latest report
Oct 15, 11:59 PMlocal time
Time to reach Storm Station
75 min9 in 10 within 2 h 14 min

From Storm Station's own record of every report it heard from this station.

Its schedule is one report every hour, 24 in 24 hours. Two reports in the same hour count as one received.

Chart of the 4,465 ranked stations in California on Oct 16 by the share of their scheduled reports received in Storm Station's own record, up to 7 days, in tenths: 0 to 9 per cent, 78; 10 to 19 per cent, 83; 20 to 29 per cent, 45; 30 to 39 per cent, 22; 40 to 49 per cent, 118; 50 to 59 per cent, 285; 60 to 69 per cent, 120; 70 to 79 per cent, 209; 80 to 89 per cent, 391; 90 to 99 per cent, 2,034; 100 per cent, 1,080. Fontana 7SW - Glen Avon received 83.9 per cent, 141 of 168 scheduled reports, rank 3,616 of 4,465.WHERE IT RANKS IN CALIFORNIA, Oct 16THIS ONE: 83.9%, 141 OF 168, RANK 3,616 OF 4,465PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101001,0000 to 97810 to 198320 to 294530 to 392240 to 4911850 to 5928560 to 6912070 to 7920980 to 8939190 to 992,0341001,080STATIONS, LOG SCALE
Chart of Fontana 7SW - Glen Avon's rank in California by how it reported, day by day, from 2026-09-26 to 2026-10-16: 2026-09-26 rank 2,975 of 3,089; 2026-09-27 rank 2,845 of 3,141; 2026-09-28 rank 3,026 of 3,395; 2026-09-29 rank 3,003 of 3,460; 2026-09-30 rank 2,989 of 3,491; 2026-10-01 rank 3,062 of 3,586; 2026-10-02 rank 3,454 of 3,944; 2026-10-03 rank 3,453 of 3,944; 2026-10-04 rank 3,358 of 4,072; 2026-10-05 rank 3,392 of 4,333; 2026-10-06 rank 3,387 of 4,362; 2026-10-07 rank 3,397 of 4,381; 2026-10-08 rank 3,365 of 4,405; 2026-10-09 rank 3,327 of 4,400; 2026-10-10 rank 3,322 of 4,400; 2026-10-11 rank 3,332 of 4,428; 2026-10-12 rank 3,408 of 4,446; 2026-10-13 rank 3,417 of 4,464; 2026-10-14 rank 3,531 of 4,466; 2026-10-15 rank 3,596 of 4,462; 2026-10-16 rank 3,616 of 4,465.ITS RANK IN CALIFORNIA, DAY BY DAYRANK, FIRST AT THE TOP11,0002,0003,0004,000Sep 26Sep 30Oct 4Oct 8Oct 12Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%1,080
90 to 99%2,034
80 to 89%391
70 to 79%209
60 to 69%120
50 to 59%285
40 to 49%118
30 to 39%22
20 to 29%45
10 to 19%83
0 to 9%78
DayRankStations rankedShare received
Oct 16, 20263,6164,46583.9%
Oct 15, 20263,5964,46286.9%
Oct 14, 20263,5314,46689.2%
Oct 13, 20263,4174,46492.8%
Oct 12, 20263,4084,44692.8%
Oct 11, 20263,3324,42896.4%
Oct 10, 20263,3224,40096.4%
Oct 9, 20263,3274,40096.4%
Oct 8, 20263,3654,40594.0%
Oct 7, 20263,3974,38193.4%
Oct 6, 20263,3874,36292.8%
Oct 5, 20263,3924,33392.8%
Oct 4, 20263,3584,07293.4%
Oct 3, 20263,4533,94490.9%
Oct 2, 20263,4543,94490.9%
Oct 1, 20263,0623,58689.4%
Sep 30, 20262,9893,49189.8%
Sep 29, 20263,0033,46088.2%
Sep 28, 20263,0263,39587.1%
Sep 27, 20262,8453,14186.9%
Sep 26, 20262,9753,08973.9%
Reports received at Fontana 7SW - Glen Avon, reports from 0.0 to 1.0, the latest 0.0, in reports.REPORTS RECEIVEDreports00.250.50.7513 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Reports received at Fontana 7SW - Glen Avon, reports from 0.0 to 5.0, the latest 0.0, in reports.REPORTS RECEIVEDreports0246Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Precipitation at Fontana 7SW - Glen Avon, precipitation from 0.00 to 0.19, the latest 0.00, in inches.PRECIPITATIONin0.000.050.100.150.20Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12
The readings these charts were drawn from, as a table
DayPrecipitation in
Oct 160.00
Oct 150.00
Oct 140.00
Oct 130.00
Oct 120.16
Oct 110.19
Oct 100.12
Oct 90.00
Oct 80.00
Oct 70.00
Oct 60.00
Oct 50.00
Oct 40.00
Oct 30.00
Oct 20.00
Oct 10.00
Sep 300.00
Sep 290.00
Sep 280.00
Sep 270.00
Sep 260.00
Sep 250.00
Sep 240.00
Sep 230.00
Sep 220.00
Sep 210.00
Sep 200.00
Sep 190.00
Sep 180.00
Sep 170.00

Near Fontana 7SW - Glen Avon