Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
MXSC1
Latitude
37.65389 N
Longitude
122.42667 W
Elevation
-
Listed
Automatically, on 312 reports in 169 hours over the last seven days
Observed
2:20 PMPDT, 58 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

South San Francisco 1W - Upper Colma Creek Report

Rank 3,298 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 score83.2of 100

California median
91.6the median score of 4,465 stations
Scoring higher
3,292stations in California
Sharing its score
7ranks 3,293 to 3,299
Points deducted
16.812.3 reports received, 2.9 accuracy, 0.8 arrival, 0.8 forecast check, 0.1 continuity
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; California median 85.6, 100.0, 92.4
Next above
RLLC1rank 3,297; ahead on reports received 83.3% against 65.0%
Next below
BRCC1rank 3,299; behind on reports received 65.0% against 64.0%

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 3565.022.8 of 35 pointsCalifornia median 98.5312 of 480 scheduled reports received in 7 days
  2. Arrivalweight 1091.79.2 of 10 pointsCalifornia median 81.2half its reports arrived within 14 min
  3. Continuityweight 1099.510.0 of 10 pointsCalifornia median 100.0longest silence 64 min, on a schedule of one report every 21 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 (63 min), none for 72 (25.2 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 21 minon the hour's :04 and :20
Reports received, 24 hours
40 of 6858.8% of its schedule, 46 reports in all
Reports received, 7 days
290 of 48060.4% of its schedule, 340 reports in all
Days reported, 30 days
7 of 30
Longest silence, 7 days
64 minfrom Oct 15, 10:00 AM
Latest report
Oct 15, 9:25 PMlocal time
Time to reach Storm Station
14 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 21 min, 68 in 24 hours. Two reports in the same 21 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. South San Francisco 1W - Upper Colma Creek received 65.0 per cent, 312 of 480 scheduled reports, rank 3,298 of 4,465.WHERE IT RANKS IN CALIFORNIA, Oct 16THIS ONE: 65.0%, 312 OF 480, RANK 3,298 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 South San Francisco 1W - Upper Colma Creek's rank in California by how it reported, day by day, from 2026-09-26 to 2026-10-16: 2026-09-26 rank 246 of 3,089; 2026-09-27 rank 3,044 of 3,141; 2026-09-28 rank 3,202 of 3,395; 2026-09-29 rank 3,241 of 3,460; 2026-09-30 rank 3,297 of 3,491; 2026-10-01 rank 3,376 of 3,586; 2026-10-02 rank 1,037 of 3,944; 2026-10-03 rank 1,036 of 3,944; 2026-10-04 rank 923 of 4,072; 2026-10-05 rank 888 of 4,333; 2026-10-06 rank 952 of 4,362; 2026-10-07 rank 1,122 of 4,381; 2026-10-08 rank 995 of 4,405; 2026-10-09 rank 1,879 of 4,400; 2026-10-10 rank 1,893 of 4,400; 2026-10-11 rank 2,383 of 4,428; 2026-10-12 rank 1,938 of 4,446; 2026-10-13 rank 2,296 of 4,464; 2026-10-14 rank 3,551 of 4,466; 2026-10-15 rank 3,374 of 4,462; 2026-10-16 rank 3,298 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, 20263,2984,46565.0%
Oct 15, 20263,3744,46264.5%
Oct 14, 20263,5514,46660.0%
Oct 13, 20262,2964,46488.3%
Oct 12, 20261,9384,44692.2%
Oct 11, 20262,3834,42887.9%
Oct 10, 20261,8934,40092.6%
Oct 9, 20261,8794,40092.6%
Oct 8, 20269954,40596.8%
Oct 7, 20261,1224,38196.8%
Oct 6, 20269524,36297.6%
Oct 5, 20268884,33398.4%
Oct 4, 20269234,07298.4%
Oct 3, 20261,0363,94497.9%
Oct 2, 20261,0373,94497.9%
Oct 1, 20263,3763,58668.6%
Sep 30, 20263,2973,49168.5%
Sep 29, 20263,2413,46069.0%
Sep 28, 20263,2023,39568.8%
Sep 27, 20263,0443,14168.5%
Sep 26, 20262463,089100.0%
Precipitation at South San Francisco 1W - Upper Colma Creek, precipitation from 20.03 to 20.03, the latest 20.03, in inches.PRECIPITATIONin0.0010.0020.0030.006 PM9 PMOct 163 AM6 AM9 AM12 PM3 PM
Reports received at South San Francisco 1W - Upper Colma Creek, reports from 3.0 to 32.0, the latest 3.0, in reports.REPORTS RECEIVEDreports0102030406 PM9 PMOct 163 AM6 AM9 AM12 PM3 PM
The readings these charts were drawn from, as a table
HourPrecipitation inReports
Fri 16, 3 PM20.033
Fri 16, 2 PM20.034
Fri 16, 12 PM20.0330
Fri 16, 11 AM20.034
Fri 16, 10 AM20.034
Fri 16, 9 AM20.034
Fri 16, 8 AM20.034
Fri 16, 7 AM20.034
Fri 16, 6 AM20.034
Fri 16, 3 AM20.0330
Fri 16, 2 AM20.034
Fri 16, 1 AM20.034
Precipitation at South San Francisco 1W - Upper Colma Creek, precipitation from 20.03 to 20.03, the latest 20.03, in inches.PRECIPITATIONin0.0010.0020.0030.00Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Reports received at South San Francisco 1W - Upper Colma Creek, reports from 3.0 to 32.0, the latest 3.0, in reports.REPORTS RECEIVEDreports010203040Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
The readings these charts were drawn from, as a table
HourPrecipitation inReports
Fri 16, 3 PM20.033
Fri 16, 2 PM20.034
Fri 16, 12 PM20.0330
Fri 16, 11 AM20.034
Fri 16, 10 AM20.034
Fri 16, 9 AM20.034
Fri 16, 8 AM20.034
Fri 16, 7 AM20.034
Fri 16, 6 AM20.034
Fri 16, 3 AM20.0330
Fri 16, 2 AM20.034
Fri 16, 1 AM20.034

Near South San Francisco 1W - Upper Colma Creek