Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
ARTC1
Latitude
34.29690 N
Longitude
118.73030 W
Elevation
-
Listed
Automatically, on 652 reports in 169 hours over the last seven days
Observed
9:45 PMPDT, 33 minutes ago

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

CALLEGUAS CREEK AT Arroyo Tapo Report

Rank 2,393 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 score91.1of 100

California median
91.6the median score of 4,465 stations
Scoring higher
2,387stations in California
Sharing its score
7ranks 2,388 to 2,394
Points deducted
8.93.9 arrival, 2.9 accuracy, 1.1 reports received, 0.8 forecast check, 0.3 continuity
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; California median 85.6, 100.0, 92.4
Next above
PTDC1rank 2,392; ahead on reports received 97.1% against 97.0%
Next below
ARBC1rank 2,394; behind on reports received 97.0% against 92.8%

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 3597.034.0 of 35 pointsCalifornia median 98.5652 of 672 scheduled reports received in 7 days
  2. Arrivalweight 1061.16.1 of 10 pointsCalifornia median 81.2half its reports arrived within 29 min
  3. Continuityweight 1096.79.7 of 10 pointsCalifornia median 100.0longest silence 50 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 15 minon the hour's :00, :15, :30 and :45
Reports received, 24 hours
91 of 9694.7% of its schedule, 95 reports in all
Reports received, 7 days
652 of 67297.0% of its schedule, 693 reports in all
Days reported, 30 days
-
Longest silence, 7 days
45 minfrom Oct 14, 4:45 PM
Latest report
Oct 15, 7:00 PMlocal time
Time to reach Storm Station
29 min9 in 10 within 30 min

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

Its schedule is one report every 15 min, 96 in 24 hours. Two reports in the same 15 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. CALLEGUAS CREEK AT Arroyo Tapo received 97.0 per cent, 652 of 672 scheduled reports, rank 2,393 of 4,465.WHERE IT RANKS IN CALIFORNIA, Oct 16THIS ONE: 97.0%, 652 OF 672, RANK 2,393 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 CALLEGUAS CREEK AT Arroyo Tapo's rank in California by how it reported, day by day, from 2026-09-26 to 2026-10-16: 2026-09-26 rank 2,223 of 3,089; 2026-09-27 rank 1,754 of 3,141; 2026-09-28 rank 1,773 of 3,395; 2026-09-29 rank 1,688 of 3,460; 2026-09-30 rank 1,682 of 3,491; 2026-10-01 rank 1,419 of 3,586; 2026-10-02 rank 2,494 of 3,944; 2026-10-03 rank 2,492 of 3,944; 2026-10-04 rank 2,447 of 4,072; 2026-10-05 rank 2,391 of 4,333; 2026-10-06 rank 2,384 of 4,362; 2026-10-07 rank 2,379 of 4,381; 2026-10-08 rank 2,537 of 4,405; 2026-10-09 rank 2,555 of 4,400; 2026-10-10 rank 2,554 of 4,400; 2026-10-11 rank 2,557 of 4,428; 2026-10-12 rank 2,490 of 4,446; 2026-10-13 rank 2,530 of 4,464; 2026-10-14 rank 2,506 of 4,466; 2026-10-15 rank 2,399 of 4,462; 2026-10-16 rank 2,393 of 4,465.ITS RANK IN CALIFORNIA, DAY BY DAYRANK, FIRST AT THE TOP11,0002,0003,000Sep 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, 20262,3934,46597.0%
Oct 15, 20262,3994,46297.0%
Oct 14, 20262,5064,46696.4%
Oct 13, 20262,5304,46495.8%
Oct 12, 20262,4904,44696.2%
Oct 11, 20262,5574,42896.5%
Oct 10, 20262,5544,40095.9%
Oct 9, 20262,5554,40095.9%
Oct 8, 20262,5374,40596.1%
Oct 7, 20262,3794,38196.5%
Oct 6, 20262,3844,36297.0%
Oct 5, 20262,3914,33397.3%
Oct 4, 20262,4474,07296.7%
Oct 3, 20262,4923,94497.1%
Oct 2, 20262,4943,94497.1%
Oct 1, 20261,4193,58699.2%
Sep 30, 20261,6823,49199.7%
Sep 29, 20261,6883,46099.7%
Sep 28, 20261,7733,39599.6%
Sep 27, 20261,7543,14199.4%
Sep 26, 20262,2233,08995.7%
Reports received at CALLEGUAS CREEK AT Arroyo Tapo, reports from 0.0 to 12.0, the latest 0.0, in reports.REPORTS RECEIVEDreports051015Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM
Reports received at CALLEGUAS CREEK AT Arroyo Tapo, reports from 0.0 to 12.0, the latest 0.0, in reports.REPORTS RECEIVEDreports051015Fri 9Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15

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