Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
TCNC1
Latitude
34.32580 N
Longitude
118.71860 W
Elevation
-
Listed
Automatically, on 666 reports in 169 hours over the last seven days
Observed
11:05 AMPDT, 39 minutes 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

Tapo Canyon Near Simi Valley Report

Rank 721 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 score95.2of 100

California median
91.6the median score of 4,465 stations
Scoring higher
609stations in California
Sharing its score
115ranks 610 to 724
Points deducted
4.82.9 accuracy, 0.9 arrival, 0.8 forecast check, 0.3 reports received
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; California median 85.6, 100.0, 92.4
Next above
BLQC1rank 720; ahead on reports received 99.4% against 99.1%
Next below
MJCC1rank 723; behind on reports received 99.1% against 98.9%
Sharing its rank
1other stations, equal on every measure

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 3599.134.7 of 35 pointsCalifornia median 98.5666 of 672 scheduled reports received in 7 days
  2. Arrivalweight 1091.19.1 of 10 pointsCalifornia median 81.2half its reports arrived within 14 min
  3. Continuityweight 10100.010.0 of 10 pointsCalifornia median 100.0longest silence 40 min, on a schedule of one report every 15 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 (45 min), none for 72 (18 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 5 min
Reports received, 24 hours
287 of 28899.6% of its schedule
Reports received, 7 days
2,015 of 2,016100% of its schedule
Days reported, 30 days
30 of 30
Longest silence, 7 days
10 minfrom Oct 15, 11:55 PM
Latest report
Oct 16, 11:35 AMlocal time

The reports received are counted from the network's own archive of this station's reports. Its 247 rank is counted from Storm Station's own record, which holds less than 7 days of it so far: 666 of 672 scheduled reports received, 99.1%.

Its schedule is one report every 5 min, 288 in 24 hours. Two reports in the same 5 min 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. Tapo Canyon Near Simi Valley received 99.1 per cent, 666 of 672 scheduled reports, rank 721 of 4,465.WHERE IT RANKS IN CALIFORNIA, Oct 16THIS ONE: 99.1%, 666 OF 672, RANK 721 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 Tapo Canyon Near Simi Valley's rank in California by how it reported, day by day, from 2026-09-26 to 2026-10-16: 2026-09-26 rank 3,006 of 3,089; 2026-09-27 rank 3,000 of 3,141; 2026-09-28 rank 3,168 of 3,395; 2026-09-29 rank 3,202 of 3,460; 2026-09-30 rank 3,209 of 3,491; 2026-10-01 rank 3,313 of 3,586; 2026-10-02 rank 2,458 of 3,944; 2026-10-03 rank 2,456 of 3,944; 2026-10-04 rank 1,786 of 4,072; 2026-10-05 rank 1,079 of 4,333; 2026-10-06 rank 670 of 4,362; 2026-10-07 rank 681 of 4,381; 2026-10-08 rank 627 of 4,405; 2026-10-09 rank 705 of 4,400; 2026-10-10 rank 695 of 4,400; 2026-10-11 rank 683 of 4,428; 2026-10-12 rank 646 of 4,446; 2026-10-13 rank 656 of 4,464; 2026-10-14 rank 597 of 4,466; 2026-10-15 rank 610 of 4,462; 2026-10-16 rank 721 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, 20267214,46599.1%
Oct 15, 20266104,46299.2%
Oct 14, 20265974,46698.9%
Oct 13, 20266564,46498.8%
Oct 12, 20266464,44698.8%
Oct 11, 20266834,42898.8%
Oct 10, 20266954,40098.8%
Oct 9, 20267054,40098.8%
Oct 8, 20266274,40599.1%
Oct 7, 20266814,38199.4%
Oct 6, 20266704,36299.4%
Oct 5, 20261,0794,33396.7%
Oct 4, 20261,7864,07293.7%
Oct 3, 20262,4563,94489.6%
Oct 2, 20262,4583,94489.6%
Oct 1, 20263,3133,58674.9%
Sep 30, 20263,2093,49175.1%
Sep 29, 20263,2023,46074.4%
Sep 28, 20263,1683,39574.9%
Sep 27, 20263,0003,14174.3%
Sep 26, 20263,0063,08969.1%
Battery at Tapo Canyon Near Simi Valley, battery from 13.1 to 13.8, the latest 13.1, in volts.BATTERYV1313.213.413.613.812 PM3 PM6 PM9 PMOct 163 AM6 AM9 AM
Reports received at Tapo Canyon Near Simi Valley, reports from 9.0 to 15.0, the latest 9.0, in reports.REPORTS RECEIVEDreports05101512 PM3 PM6 PM9 PMOct 163 AM6 AM9 AM
The readings these charts were drawn from, as a table
HourPrecipitation inBattery VReports
Thu 15, 11 PM0.0013.112
Thu 15, 10 PM0.0013.112
Thu 15, 9 PM0.0013.212
Thu 15, 8 PM0.0013.212
Thu 15, 7 PM0.0013.212
Thu 15, 6 PM0.0013.212
Thu 15, 5 PM0.0013.612
Thu 15, 4 PM0.0013.812
Thu 15, 3 PM0.0013.812
Thu 15, 2 PM0.0013.812
Thu 15, 1 PM0.0013.812
Thu 15, 12 PM0.0013.812
Precipitation at Tapo Canyon Near Simi Valley, precipitation from 0.00 to 0.01, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.10Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Battery at Tapo Canyon Near Simi Valley, battery from 12.8 to 13.9, the latest 13.1, in volts.BATTERYV12.51313.514Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Reports received at Tapo Canyon Near Simi Valley, reports from 9.0 to 15.0, the latest 9.0, in reports.REPORTS RECEIVEDreports051015Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
The readings these charts were drawn from, as a table
HourPrecipitation inBattery VReports
Thu 15, 11 PM0.0013.112
Thu 15, 10 PM0.0013.112
Thu 15, 9 PM0.0013.212
Thu 15, 8 PM0.0013.212
Thu 15, 7 PM0.0013.212
Thu 15, 6 PM0.0013.212
Thu 15, 5 PM0.0013.612
Thu 15, 4 PM0.0013.812
Thu 15, 3 PM0.0013.812
Thu 15, 2 PM0.0013.812
Thu 15, 1 PM0.0013.812
Thu 15, 12 PM0.0013.812
Thu 15, 11 AM0.0013.812
Thu 15, 10 AM0.0013.812
Thu 15, 9 AM0.0013.612
Thu 15, 8 AM0.0012.912
Thu 15, 7 AM0.0012.812
Thu 15, 6 AM0.0012.912
Thu 15, 5 AM0.0012.912
Thu 15, 4 AM0.0012.912
Thu 15, 3 AM0.0012.912
Thu 15, 2 AM0.0013.012
Thu 15, 1 AM0.0013.012
Thu 15, 12 AM0.0013.012
Wed 14, 11 PM0.0013.012
Wed 14, 10 PM0.0013.112
Wed 14, 9 PM0.0013.112
Wed 14, 8 PM0.0013.212
Wed 14, 7 PM0.0013.212
Wed 14, 6 PM0.0013.212
Wed 14, 5 PM0.0013.612
Wed 14, 4 PM0.0013.812
Wed 14, 3 PM0.0013.812
Wed 14, 2 PM0.0013.812
Wed 14, 1 PM0.0013.812
Wed 14, 12 PM0.0013.812
Wed 14, 11 AM0.0013.812
Wed 14, 10 AM0.0013.812
Wed 14, 9 AM0.0013.712
Wed 14, 8 AM0.0012.912
Wed 14, 7 AM0.0012.812
Wed 14, 6 AM0.0012.812
Wed 14, 5 AM0.0012.812
Wed 14, 4 AM0.0012.912
Wed 14, 3 AM0.0012.912
Wed 14, 2 AM0.0012.912
Wed 14, 1 AM0.0013.012
Wed 14, 12 AM0.0013.012
Tue 13, 11 PM0.0013.012
Tue 13, 10 PM0.0013.112
Tue 13, 9 PM0.0013.112
Tue 13, 8 PM0.0013.112
Tue 13, 7 PM0.0013.212
Tue 13, 6 PM0.0013.212
Tue 13, 5 PM0.0013.612
Tue 13, 4 PM0.0013.812
Tue 13, 3 PM0.0013.812
Tue 13, 2 PM0.0013.812
Tue 13, 1 PM0.0013.812
Tue 13, 12 PM0.0013.812
Tue 13, 11 AM0.0013.812
Tue 13, 10 AM0.0013.812
Tue 13, 9 AM0.0013.712
Tue 13, 8 AM0.0012.912
Tue 13, 7 AM0.0012.812
Tue 13, 6 AM0.0012.812
Tue 13, 5 AM0.0012.912
Tue 13, 4 AM0.0012.912
Tue 13, 3 AM0.0012.912
Tue 13, 2 AM0.0013.012
Tue 13, 1 AM0.0013.012
Tue 13, 12 AM0.0013.012
Mon 12, 11 PM0.0013.012
Mon 12, 10 PM0.0013.112
Mon 12, 9 PM0.0013.112
Mon 12, 8 PM0.0013.212
Mon 12, 7 PM0.0013.212
Mon 12, 6 PM0.0013.312
Mon 12, 5 PM0.0013.612
Mon 12, 4 PM0.0013.612
Mon 12, 3 PM0.0013.712
Mon 12, 2 PM0.0013.712
Mon 12, 1 PM0.0013.712
Mon 12, 12 PM0.0013.712
Mon 12, 11 AM0.0013.712
Mon 12, 10 AM0.0013.712
Mon 12, 9 AM0.0013.412
Mon 12, 8 AM0.0012.912
Mon 12, 7 AM0.0012.912
Mon 12, 6 AM0.0012.912
Mon 12, 5 AM0.0012.912
Mon 12, 4 AM0.0012.912
Mon 12, 3 AM0.0113.012
Mon 12, 2 AM0.0113.012
Mon 12, 1 AM0.0113.012
Mon 12, 12 AM0.0013.112
Sun 11, 11 PM0.0013.112
Sun 11, 10 PM0.0013.112
Sun 11, 9 PM0.0013.112
Sun 11, 8 PM0.0013.212
Sun 11, 7 PM0.0013.212
Sun 11, 6 PM0.0013.312
Sun 11, 5 PM0.0013.512
Sun 11, 4 PM0.0013.812
Sun 11, 3 PM0.0013.712
Sun 11, 2 PM0.0013.712
Sun 11, 1 PM0.0013.812
Sun 11, 12 PM0.0013.712
Sun 11, 11 AM0.0013.812
Sun 11, 10 AM0.0013.512
Sun 11, 9 AM0.0013.212
Sun 11, 8 AM0.0013.012
Sun 11, 7 AM0.0012.912
Sun 11, 6 AM0.0012.912
Sun 11, 5 AM0.0012.912
Sun 11, 4 AM0.0012.912
Sun 11, 3 AM0.0013.012
Sun 11, 2 AM0.0013.012
Sun 11, 1 AM0.0013.012
Sun 11, 12 AM0.0013.012
Sat 10, 11 PM0.0013.112
Sat 10, 10 PM0.0013.112
Sat 10, 9 PM0.0013.112
Sat 10, 8 PM0.0013.112
Sat 10, 7 PM0.0013.212
Sat 10, 6 PM0.0013.212
Sat 10, 5 PM0.0013.212
Sat 10, 4 PM0.0013.312
Sat 10, 3 PM0.0013.512
Sat 10, 2 PM0.0013.512
Sat 10, 1 PM0.0013.712
Sat 10, 12 PM0.0013.612
Sat 10, 11 AM0.0013.812
Sat 10, 10 AM0.0013.812
Sat 10, 9 AM0.0013.312
Sat 10, 8 AM0.0013.012
Sat 10, 7 AM0.0012.912
Sat 10, 6 AM0.0012.912
Sat 10, 5 AM0.0012.912
Sat 10, 4 AM0.0012.912
Sat 10, 3 AM0.0013.012
Sat 10, 2 AM0.0013.012
Sat 10, 1 AM0.0013.012
Sat 10, 12 AM0.0013.012
Fri 9, 11 PM0.0013.012
Fri 9, 10 PM0.0013.112
Fri 9, 9 PM0.0013.112
Fri 9, 8 PM0.0013.212
Fri 9, 7 PM0.0013.212
Fri 9, 6 PM0.0013.212
Fri 9, 5 PM0.0013.612
Fri 9, 4 PM0.0013.812
Fri 9, 3 PM0.0013.912
Fri 9, 2 PM0.0013.912
Fri 9, 1 PM0.0013.812
Fri 9, 12 PM0.0013.812
Precipitation at Tapo Canyon Near Simi Valley, precipitation from 0.00 to 0.03, the latest 0.00, in inches.PRECIPITATIONin0.000.030.050.070.10Sep 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 120.03
Oct 110.00
Oct 100.00
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 220.02
Sep 210.00
Sep 200.00
Sep 190.00
Sep 180.00
Sep 170.00

Near Tapo Canyon Near Simi Valley