Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
CUHC1
Latitude
34.07710 N
Longitude
117.60080 W
Elevation
-
Listed
Automatically, on 243 reports in 152 hours over the last seven days
Rank
4,124of 4,465 in California, Oct 16
Observed
1:31 AMPDT, 1 hour ago

Ranking Statistics

On the radar over Ontario - Cucamonga ChannelReflectivityStorm 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

Ontario - Cucamonga Channel Report

Rank 4,124 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 score70.5of 100

California median
91.6the median score of 4,465 stations
Scoring higher
4,123stations in California
Sharing its score
1no other station
Points deducted
29.519.8 reports received, 3.5 continuity, 2.9 accuracy, 2.6 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
FOIC1rank 4,123; ahead on 247 score 70.6 against 70.5
Next below
CNJC1rank 4,125; behind on 247 score 70.5 against 70.4

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 3543.415.2 of 35 pointsCalifornia median 98.5243 of 560 scheduled reports received in 7 days
  2. Arrivalweight 1074.27.4 of 10 pointsCalifornia median 81.2half its reports arrived within 23 min
  3. Continuityweight 1065.46.5 of 10 pointsCalifornia median 100.0longest silence 2.7 h, on a schedule of one report every 18 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 (54 min), none for 72 (21.6 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
4,124of 4,465 in California, Oct 16
Schedule
every 4 min
Reports received, 24 hours
79 of 36021.9% of its schedule, 87 reports in all
Reports received, 7 days
496 of 2,52019.6% of its schedule, 673 reports in all
Days reported, 30 days
2 of 30
Longest silence, 7 days
2 hoursfrom Oct 13, 7:31 AM
Latest report
Oct 16, 1:31 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: 243 of 560 scheduled reports received, 43.3%.

Its schedule is one report every 4 min, 360 in 24 hours. Two reports in the same 4 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. Ontario - Cucamonga Channel received 43.3 per cent, 243 of 560 scheduled reports, rank 4,124 of 4,465.WHERE IT RANKS IN CALIFORNIA, Oct 16THIS ONE: 43.3%, 243 OF 560, RANK 4,124 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 Ontario - Cucamonga Channel's rank in California by how it reported, day by day, from 2026-09-30 to 2026-10-16: 2026-09-30 rank 3,485 of 3,491; 2026-10-01 rank 3,560 of 3,586; 2026-10-02 rank 3,888 of 3,944; 2026-10-03 rank 3,888 of 3,944; 2026-10-04 rank 3,881 of 4,072; 2026-10-05 rank 3,966 of 4,333; 2026-10-06 rank 3,796 of 4,362; 2026-10-07 rank 3,493 of 4,381; 2026-10-08 rank 3,171 of 4,405; 2026-10-09 rank 3,138 of 4,400; 2026-10-10 rank 3,147 of 4,400; 2026-10-11 rank 3,222 of 4,428; 2026-10-12 rank 3,245 of 4,446; 2026-10-13 rank 3,317 of 4,464; 2026-10-14 rank 3,717 of 4,466; 2026-10-15 rank 4,099 of 4,462; 2026-10-16 rank 4,124 of 4,465.ITS RANK IN CALIFORNIA, DAY BY DAYRANK, FIRST AT THE TOP12,0004,0006,000Sep 30Oct 3Oct 6Oct 9Oct 12Oct 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, 20264,1244,46543.3%
Oct 15, 20264,0994,46248.1%
Oct 14, 20263,7174,46668.6%
Oct 13, 20263,3174,46494.6%
Oct 12, 20263,2454,44697.0%
Oct 11, 20263,2224,42898.2%
Oct 10, 20263,1474,40098.8%
Oct 9, 20263,1384,40098.8%
Oct 8, 20263,1714,40598.2%
Oct 7, 20263,4934,38189.2%
Oct 6, 20263,7964,36275.0%
Oct 5, 20263,9664,33360.7%
Oct 4, 20263,8814,07246.4%
Oct 3, 20263,8883,94420.5%
Oct 2, 20263,8883,94420.2%
Oct 1, 20263,5603,5869.7%
Sep 30, 20263,4853,4914.7%
Reports received at Ontario - Cucamonga Channel, reports from 0.0 to 14.0, the latest 0.0, in reports.REPORTS RECEIVEDreports0510153 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Reports received at Ontario - Cucamonga Channel, reports from 0.0 to 84.0, the latest 0.0, in reports.REPORTS RECEIVEDreports0255075100Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Precipitation at Ontario - Cucamonga Channel, precipitation from 1.00 to 2.00, the latest 2.00, in inches.PRECIPITATIONin0.000.501.001.502.00Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12
The readings these charts were drawn from, as a table
DayPrecipitation in
Oct 112.00
Oct 101.00

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

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