Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
VAEC1
Latitude
37.56150 N
Longitude
121.68480 W
Elevation
-
Listed
Automatically, on 168 reports in 169 hours over the last seven days
Observed
8:10 PMPDT, 1 hour 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

Sunol - Valle Arroyo Report

Rank 557 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 score95.4of 100

California median
91.6the median score of 4,465 stations
Scoring higher
530stations in California
Sharing its score
56ranks 531 to 586
Points deducted
4.62.9 accuracy, 1.0 arrival, 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
WFHC1rank 537; ahead on longest silence 61 min against 70 min
Next below
BAJC1rank 559; behind on longest silence 70 min against 71 min
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 35100.035.0 of 35 pointsCalifornia median 98.5168 of 168 scheduled reports received in 7 days
  2. Arrivalweight 1090.49.0 of 10 pointsCalifornia median 81.2half its reports arrived within 15 min
  3. Continuityweight 10100.010.0 of 10 pointsCalifornia median 100.0longest silence 70 min, 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 :10
Reports received, 24 hours
24 of 24100% of its schedule
Reports received, 7 days
168 of 168100% of its schedule
Days reported, 30 days
29 of 30
Longest silence, 7 days
70 minfrom Oct 9, 7:00 PM
Latest report
Oct 15, 9:10 PMlocal time
Time to reach Storm Station
15 min9 in 10 within 15 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. Sunol - Valle Arroyo received 100.0 per cent, 168 of 168 scheduled reports, rank 557 of 4,465.WHERE IT RANKS IN CALIFORNIA, Oct 16THIS ONE: 100.0%, 168 OF 168, RANK 557 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 Sunol - Valle Arroyo's rank in California by how it reported, day by day, from 2026-09-26 to 2026-10-16: 2026-09-26 rank 271 of 3,089; 2026-09-27 rank 1,958 of 3,141; 2026-09-28 rank 1,946 of 3,395; 2026-09-29 rank 1,847 of 3,460; 2026-09-30 rank 1,826 of 3,491; 2026-10-01 rank 1,451 of 3,586; 2026-10-02 rank 669 of 3,944; 2026-10-03 rank 658 of 3,944; 2026-10-04 rank 643 of 4,072; 2026-10-05 rank 558 of 4,333; 2026-10-06 rank 593 of 4,362; 2026-10-07 rank 711 of 4,381; 2026-10-08 rank 729 of 4,405; 2026-10-09 rank 721 of 4,400; 2026-10-10 rank 720 of 4,400; 2026-10-11 rank 752 of 4,428; 2026-10-12 rank 707 of 4,446; 2026-10-13 rank 737 of 4,464; 2026-10-14 rank 551 of 4,466; 2026-10-15 rank 552 of 4,462; 2026-10-16 rank 557 of 4,465.ITS RANK IN CALIFORNIA, DAY BY DAYRANK, FIRST AT THE TOP15001,0001,5002,000Sep 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, 20265574,465100.0%
Oct 15, 20265524,462100.0%
Oct 14, 20265514,46699.4%
Oct 13, 20267374,46498.8%
Oct 12, 20267074,44698.8%
Oct 11, 20267524,42898.8%
Oct 10, 20267204,40098.8%
Oct 9, 20267214,40098.8%
Oct 8, 20267294,40598.8%
Oct 7, 20267114,38199.4%
Oct 6, 20265934,362100.0%
Oct 5, 20265584,333100.0%
Oct 4, 20266434,072100.0%
Oct 3, 20266583,944100.0%
Oct 2, 20266693,944100.0%
Oct 1, 20261,4513,58699.2%
Sep 30, 20261,8263,49199.1%
Sep 29, 20261,8473,46098.9%
Sep 28, 20261,9463,39598.5%
Sep 27, 20261,9583,14197.8%
Sep 26, 20262713,089100.0%
Reports received at Sunol - Valle Arroyo, reports from 6.0 to 30.0, the latest 6.0, in reports.REPORTS RECEIVEDreports0102030Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM
The readings these charts were drawn from, as a table
HourPrecipitation inReports
Thu 15, 9 PM0.006
Thu 15, 8 PM0.0030
Thu 15, 7 PM0.0030
Thu 15, 6 PM0.0030
Thu 15, 5 PM0.0030
Thu 15, 4 PM0.0030
Thu 15, 3 PM0.0030
Thu 15, 2 PM0.0030
Thu 15, 1 PM0.0030
Thu 15, 12 PM0.0030
Thu 15, 11 AM0.0030
Thu 15, 10 AM0.0030
Thu 15, 9 AM0.0030
Thu 15, 8 AM0.0030
Thu 15, 7 AM0.0030
Thu 15, 6 AM0.0030
Thu 15, 5 AM0.0030
Thu 15, 4 AM0.0030
Thu 15, 3 AM0.0030
Thu 15, 2 AM0.0030
Thu 15, 1 AM0.0030
Thu 15, 12 AM0.0030
Wed 14, 11 PM0.0030
Wed 14, 10 PM0.0030
Reports received at Sunol - Valle Arroyo, reports from 6.0 to 30.0, the latest 6.0, in reports.REPORTS RECEIVEDreports0102030Fri 9Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15
The readings these charts were drawn from, as a table
HourPrecipitation inReports
Thu 15, 9 PM0.006
Thu 15, 8 PM0.0030
Thu 15, 7 PM0.0030
Thu 15, 6 PM0.0030
Thu 15, 5 PM0.0030
Thu 15, 4 PM0.0030
Thu 15, 3 PM0.0030
Thu 15, 2 PM0.0030
Thu 15, 1 PM0.0030
Thu 15, 12 PM0.0030
Thu 15, 11 AM0.0030
Thu 15, 10 AM0.0030
Thu 15, 9 AM0.0030
Thu 15, 8 AM0.0030
Thu 15, 7 AM0.0030
Thu 15, 6 AM0.0030
Thu 15, 5 AM0.0030
Thu 15, 4 AM0.0030
Thu 15, 3 AM0.0030
Thu 15, 2 AM0.0030
Thu 15, 1 AM0.0030
Thu 15, 12 AM0.0030
Wed 14, 11 PM0.0030
Wed 14, 10 PM0.0030
Wed 14, 9 PM0.0030
Wed 14, 8 PM0.0030
Wed 14, 7 PM0.0030
Wed 14, 6 PM0.0030
Wed 14, 5 PM0.0030
Wed 14, 4 PM0.0030
Wed 14, 3 PM0.0030
Wed 14, 2 PM0.0030
Wed 14, 1 PM0.0030
Wed 14, 12 PM0.0030
Wed 14, 11 AM0.0030
Wed 14, 10 AM0.0030
Wed 14, 9 AM0.0030
Wed 14, 8 AM0.0030
Wed 14, 7 AM0.0030
Wed 14, 6 AM0.0030
Wed 14, 5 AM0.0030
Wed 14, 4 AM0.0030
Wed 14, 3 AM0.0030
Wed 14, 2 AM0.0030
Wed 14, 1 AM0.0030
Wed 14, 12 AM0.0030
Tue 13, 11 PM0.0030
Tue 13, 10 PM0.0030
Tue 13, 9 PM0.0030
Tue 13, 8 PM0.0030
Tue 13, 7 PM0.0030
Tue 13, 6 PM0.0030
Tue 13, 5 PM0.0030
Tue 13, 4 PM0.0030
Tue 13, 3 PM0.0030
Tue 13, 2 PM0.0030
Tue 13, 1 PM0.0030
Tue 13, 12 PM0.0030
Tue 13, 11 AM0.0030
Tue 13, 10 AM0.0030
Tue 13, 9 AM0.0030
Tue 13, 8 AM0.0030
Tue 13, 7 AM0.0030
Tue 13, 6 AM0.0030
Tue 13, 5 AM0.0030
Tue 13, 4 AM0.0030
Tue 13, 3 AM0.0030
Tue 13, 2 AM0.0030
Tue 13, 1 AM0.0030
Tue 13, 12 AM0.0030
Mon 12, 11 PM0.0030
Mon 12, 10 PM0.0025
Mon 12, 9 PM0.006
Mon 12, 8 PM0.0030
Mon 12, 7 PM0.0030
Mon 12, 6 PM0.0030
Mon 12, 5 PM0.0030
Mon 12, 4 PM0.0030
Mon 12, 3 PM0.0030
Mon 12, 2 PM0.0030
Mon 12, 1 PM0.0030
Mon 12, 12 PM0.0030
Mon 12, 11 AM0.0030
Mon 12, 10 AM0.0030
Mon 12, 9 AM0.0030
Mon 12, 8 AM0.0030
Mon 12, 7 AM0.0030
Mon 12, 6 AM0.0030
Mon 12, 5 AM0.0030
Mon 12, 4 AM0.0030
Mon 12, 3 AM0.0030
Mon 12, 2 AM0.0030
Mon 12, 1 AM0.0030
Mon 12, 12 AM0.0030
Sun 11, 11 PM0.0030
Sun 11, 10 PM0.0030
Sun 11, 9 PM0.0030
Sun 11, 8 PM0.0030
Sun 11, 7 PM0.0025
Sun 11, 6 PM0.006
Sun 11, 5 PM0.0030
Sun 11, 4 PM0.0030
Sun 11, 3 PM0.0030
Sun 11, 2 PM0.0030
Sun 11, 1 PM0.0030
Sun 11, 12 PM0.0030
Sun 11, 11 AM0.0030
Sun 11, 10 AM0.0030
Sun 11, 9 AM0.0030
Sun 11, 8 AM0.0030
Sun 11, 7 AM0.0030
Sun 11, 6 AM0.0030
Sun 11, 5 AM0.0030
Sun 11, 4 AM0.0030
Sun 11, 3 AM0.0030
Sun 11, 2 AM0.0030
Sun 11, 1 AM0.0030
Sun 11, 12 AM0.0030
Sat 10, 11 PM0.0030
Sat 10, 10 PM0.0030
Sat 10, 9 PM0.0030
Sat 10, 8 PM0.0030
Sat 10, 7 PM0.0030
Sat 10, 6 PM0.0030
Sat 10, 5 PM0.0030
Sat 10, 4 PM0.0030
Sat 10, 3 PM0.0030
Sat 10, 2 PM0.0030
Sat 10, 1 PM0.0030
Sat 10, 12 PM0.0030
Sat 10, 11 AM0.0030
Sat 10, 10 AM0.0030
Sat 10, 9 AM0.0030
Sat 10, 8 AM0.0030
Sat 10, 7 AM0.0030
Sat 10, 6 AM0.0030
Sat 10, 5 AM0.0030
Sat 10, 4 AM0.0030
Sat 10, 3 AM0.0030
Sat 10, 2 AM0.0030
Sat 10, 1 AM0.0030
Sat 10, 12 AM0.0030
Fri 9, 11 PM0.0030
Fri 9, 10 PM0.0030
Fri 9, 9 PM0.0030
Fri 9, 8 PM0.0030
Fri 9, 7 PM0.0025
Fri 9, 6 PM0.006
Fri 9, 5 PM0.0030
Fri 9, 4 PM0.0030
Fri 9, 3 PM0.0030
Fri 9, 2 PM0.0030
Fri 9, 1 PM0.0030
Fri 9, 12 PM0.0030
Fri 9, 11 AM0.0030
Fri 9, 10 AM0.0030
Fri 9, 9 AM0.0030
Fri 9, 8 AM0.0030
Fri 9, 7 AM0.0030
Fri 9, 6 AM0.0030
Fri 9, 5 AM0.0030
Fri 9, 4 AM0.0030
Fri 9, 3 AM0.0030
Fri 9, 2 AM0.0030
Fri 9, 1 AM0.0030
Fri 9, 12 AM0.0030
Thu 8, 11 PM0.0030
Thu 8, 10 PM0.0030

Near Sunol - Valle Arroyo