Storm Station
Sign in

At a river or reservoir gauge

DCP network, identified by the register

Identifier
DIAC1
Latitude
37.85030 N
Longitude
121.93170 W
Elevation
-
Listed
Automatically, on 168 reports in 162 hours over the last seven days
Rank
1,634of 4,465 in California, Oct 16
Observed
4:00 AMPDT, 42 minutes ago
Precipitation today
0in

Ranking Statistics

On the radar over Danville - Mt Diablo ParkReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a river or reservoir gauge

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

Station charts

Danville - Mt Diablo Park Report

Rank 1,634 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 score93.4of 100

California median
91.6the median score of 4,465 stations
Scoring higher
1,525stations in California
Sharing its score
119ranks 1,526 to 1,644
Points deducted
6.63.0 arrival, 2.9 accuracy, 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
GRMC1rank 1,633; ahead on longest silence 60 min against 61 min
Next below
AGAC1rank 1,637; behind on median arrival 24 min 57 s against 24 min 58 s
Sharing its rank
2other 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 1070.17.0 of 10 pointsCalifornia median 81.2half its reports arrived within 25 min
  3. Continuityweight 10100.010.0 of 10 pointsCalifornia median 100.0longest silence 61 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
Rank
1,634of 4,465 in California, Oct 16
Schedule
every houron the hour's :00
Reports received, 24 hours
23 of 2495.8% of its schedule
Reports received, 7 days
167 of 16899.4% of its schedule
Days reported, 30 days
19 of 30
Longest silence, 7 days
2 hoursfrom Oct 15, 11:00 PM
Latest report
Oct 16, 4:00 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: 168 of 168 scheduled reports received, 100%.

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. Danville - Mt Diablo Park received 100.0 per cent, 168 of 168 scheduled reports, rank 1,634 of 4,465.WHERE IT RANKS IN CALIFORNIA, Oct 16THIS ONE: 100.0%, 168 OF 168, RANK 1,634 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 Danville - Mt Diablo Park's rank in California by how it reported, day by day, from 2026-10-09 to 2026-10-16: 2026-10-09 rank 4,160 of 4,400; 2026-10-10 rank 4,163 of 4,400; 2026-10-11 rank 4,030 of 4,428; 2026-10-12 rank 3,646 of 4,446; 2026-10-13 rank 3,289 of 4,464; 2026-10-14 rank 2,564 of 4,466; 2026-10-15 rank 1,653 of 4,462; 2026-10-16 rank 1,634 of 4,465.ITS RANK IN CALIFORNIA, DAY BY DAYRANK, FIRST AT THE TOP12,0004,0006,000Oct 9Oct 11Oct 13Oct 15Oct 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, 20261,6344,465100.0%
Oct 15, 20261,6534,462100.0%
Oct 14, 20262,5644,46690.4%
Oct 13, 20263,2894,46476.1%
Oct 12, 20263,6464,44661.9%
Oct 11, 20264,0304,42847.6%
Oct 10, 20264,1634,40033.3%
Oct 9, 20264,1604,40032.7%
Reports received at Danville - Mt Diablo Park, reports from 0.0 to 6.0, the latest 3.0, in reports.REPORTS RECEIVEDreports02466 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
Reports received at Danville - Mt Diablo Park, reports from 0.0 to 6.0, the latest 3.0, in reports.REPORTS RECEIVEDreports0246Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16

The instrumentWhat an instrument is FB-INS-001

What it seesMoon and tides FB-CLK-003Hurricane FB-EVT-043Nor'easter FB-EVT-066Flash flood FB-EVT-100Coastal flood FB-EVT-105

Near Danville - Mt Diablo Park

Gauges

Weather instruments

Places