Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
SHEC1
Latitude
38.51140 N
Longitude
122.45470 W
Elevation
-
Listed
Automatically, on 662 reports in 169 hours over the last seven days
Observed
11:59 PMPDT, 21 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

USGS Stream Gage/Forecast Point 2 E Napa River Nr St Helena Report

Rank 842 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 score94.8of 100

California median
91.6the median score of 4,465 stations
Scoring higher
827stations in California
Sharing its score
79ranks 828 to 906
Points deducted
5.22.9 accuracy, 1.0 arrival, 0.8 forecast check, 0.5 reports received
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; California median 85.6, 100.0, 92.4
Next above
ONXC1rank 841; ahead on reports received 98.8% against 98.5%
Next below
SRVC1rank 858; behind on reports received 98.5% against 98.3%
Sharing its rank
15other 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 3598.534.5 of 35 pointsCalifornia median 98.5662 of 672 scheduled reports received in 7 days
  2. Arrivalweight 1090.19.0 of 10 pointsCalifornia median 81.2half its reports arrived within 15 min
  3. Continuityweight 10100.010.0 of 10 pointsCalifornia median 100.0longest silence 45 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
95 of 9698.9% of its schedule
Reports received, 7 days
664 of 67298.8% of its schedule
Days reported, 30 days
-
Longest silence, 7 days
30 minfrom Oct 9, 7:15 PM
Latest report
Oct 15, 11:00 PMlocal time
Time to reach Storm Station
15 min9 in 10 within 20 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. USGS Stream Gage/Forecast Point 2 E Napa River Nr St Helena received 98.5 per cent, 662 of 672 scheduled reports, rank 842 of 4,465.WHERE IT RANKS IN CALIFORNIA, Oct 16THIS ONE: 98.5%, 662 OF 672, RANK 842 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 USGS Stream Gage/Forecast Point 2 E Napa River Nr St Helena's rank in California by how it reported, day by day, from 2026-09-26 to 2026-10-16: 2026-09-26 rank 2,583 of 3,089; 2026-09-27 rank 2,442 of 3,141; 2026-09-28 rank 2,694 of 3,395; 2026-09-29 rank 2,624 of 3,460; 2026-09-30 rank 2,570 of 3,491; 2026-10-01 rank 2,641 of 3,586; 2026-10-02 rank 2,325 of 3,944; 2026-10-03 rank 2,324 of 3,944; 2026-10-04 rank 2,257 of 4,072; 2026-10-05 rank 2,194 of 4,333; 2026-10-06 rank 2,141 of 4,362; 2026-10-07 rank 2,111 of 4,381; 2026-10-08 rank 1,963 of 4,405; 2026-10-09 rank 1,847 of 4,400; 2026-10-10 rank 1,859 of 4,400; 2026-10-11 rank 1,907 of 4,428; 2026-10-12 rank 1,803 of 4,446; 2026-10-13 rank 1,727 of 4,464; 2026-10-14 rank 1,765 of 4,466; 2026-10-15 rank 866 of 4,462; 2026-10-16 rank 842 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, 20268424,46598.5%
Oct 15, 20268664,46298.3%
Oct 14, 20261,7654,46697.9%
Oct 13, 20261,7274,46497.9%
Oct 12, 20261,8034,44697.9%
Oct 11, 20261,9074,42897.6%
Oct 10, 20261,8594,40097.9%
Oct 9, 20261,8474,40097.9%
Oct 8, 20261,9634,40597.7%
Oct 7, 20262,1114,38198.3%
Oct 6, 20262,1414,36298.3%
Oct 5, 20262,1944,33397.9%
Oct 4, 20262,2574,07297.7%
Oct 3, 20262,3243,94497.4%
Oct 2, 20262,3253,94497.4%
Oct 1, 20262,6413,58697.1%
Sep 30, 20262,5703,49197.6%
Sep 29, 20262,6243,46097.0%
Sep 28, 20262,6943,39596.4%
Sep 27, 20262,4423,14196.2%
Sep 26, 20262,5833,08994.6%
Battery at USGS Stream Gage/Forecast Point 2 E Napa River Nr St Helena, battery from 12.2 to 12.8, the latest 12.5, in volts.BATTERYV1212.212.412.612.8133 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Reports received at USGS Stream Gage/Forecast Point 2 E Napa River Nr St Helena, reports from 0.0 to 4.0, the latest 0.0, in reports.REPORTS RECEIVEDreports012343 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
The readings these charts were drawn from, as a table
HourBattery VReports
Thu 15, 11 PM12.54
Thu 15, 10 PM12.54
Thu 15, 9 PM12.54
Thu 15, 8 PM12.54
Thu 15, 7 PM12.54
Thu 15, 6 PM12.54
Thu 15, 5 PM12.54
Thu 15, 4 PM12.84
Thu 15, 3 PM12.84
Thu 15, 2 PM12.84
Thu 15, 1 PM12.54
Thu 15, 12 PM12.54
Thu 15, 11 AM12.54
Thu 15, 10 AM12.54
Thu 15, 9 AM12.24
Thu 15, 8 AM12.24
Thu 15, 7 AM12.24
Thu 15, 6 AM12.24
Thu 15, 5 AM12.24
Thu 15, 4 AM12.24
Thu 15, 3 AM12.24
Thu 15, 2 AM12.24
Thu 15, 1 AM12.24
Battery at USGS Stream Gage/Forecast Point 2 E Napa River Nr St Helena, battery from 9.4 to 13.1, the latest 12.5, in volts.BATTERYV91011121314Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Reports received at USGS Stream Gage/Forecast Point 2 E Napa River Nr St Helena, reports from 0.0 to 4.0, the latest 0.0, in reports.REPORTS RECEIVEDreports01234Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
The readings these charts were drawn from, as a table
HourBattery VReports
Thu 15, 11 PM12.54
Thu 15, 10 PM12.54
Thu 15, 9 PM12.54
Thu 15, 8 PM12.54
Thu 15, 7 PM12.54
Thu 15, 6 PM12.54
Thu 15, 5 PM12.54
Thu 15, 4 PM12.84
Thu 15, 3 PM12.84
Thu 15, 2 PM12.84
Thu 15, 1 PM12.54
Thu 15, 12 PM12.54
Thu 15, 11 AM12.54
Thu 15, 10 AM12.54
Thu 15, 9 AM12.24
Thu 15, 8 AM12.24
Thu 15, 7 AM12.24
Thu 15, 6 AM12.24
Thu 15, 5 AM12.24
Thu 15, 4 AM12.24
Thu 15, 3 AM12.24
Thu 15, 2 AM12.24
Thu 15, 1 AM12.24
Thu 15, 12 AM12.24
Wed 14, 11 PM12.54
Wed 14, 10 PM12.54
Wed 14, 9 PM12.54
Wed 14, 8 PM12.54
Wed 14, 7 PM12.54
Wed 14, 6 PM12.54
Wed 14, 5 PM12.54
Wed 14, 4 PM12.84
Wed 14, 3 PM12.84
Wed 14, 2 PM12.54
Wed 14, 1 PM12.54
Wed 14, 12 PM12.54
Wed 14, 11 AM12.54
Wed 14, 10 AM12.54
Wed 14, 9 AM12.24
Wed 14, 8 AM12.24
Wed 14, 7 AM12.24
Wed 14, 6 AM12.24
Wed 14, 5 AM12.24
Wed 14, 4 AM12.24
Wed 14, 3 AM12.24
Wed 14, 2 AM12.24
Wed 14, 1 AM12.24
Wed 14, 12 AM12.54
Tue 13, 11 PM12.54
Tue 13, 10 PM12.53
Tue 13, 9 PM12.54
Tue 13, 8 PM12.54
Tue 13, 7 PM12.54
Tue 13, 6 PM12.53
Tue 13, 5 PM12.84
Tue 13, 4 PM12.84
Tue 13, 3 PM12.84
Tue 13, 2 PM12.84
Tue 13, 1 PM12.54
Tue 13, 12 PM12.54
Tue 13, 11 AM12.54
Tue 13, 10 AM12.54
Tue 13, 9 AM12.24
Tue 13, 8 AM12.24
Tue 13, 7 AM12.24
Tue 13, 6 AM12.24
Tue 13, 5 AM12.24
Tue 13, 4 AM12.24
Tue 13, 3 AM12.24
Tue 13, 2 AM12.24
Tue 13, 1 AM12.54
Tue 13, 12 AM12.54
Mon 12, 11 PM12.54
Mon 12, 10 PM12.54
Mon 12, 9 PM12.54
Mon 12, 8 PM12.54
Mon 12, 7 PM12.54
Mon 12, 6 PM12.54
Mon 12, 5 PM12.84
Mon 12, 4 PM12.84
Mon 12, 3 PM12.84
Mon 12, 2 PM12.84
Mon 12, 1 PM12.84
Mon 12, 12 PM12.54
Mon 12, 11 AM12.54
Mon 12, 10 AM12.54
Mon 12, 9 AM12.24
Mon 12, 8 AM12.24
Mon 12, 7 AM12.24
Mon 12, 6 AM12.24
Mon 12, 5 AM12.24
Mon 12, 4 AM12.24
Mon 12, 3 AM12.24
Mon 12, 2 AM12.54
Mon 12, 1 AM12.54
Mon 12, 12 AM12.54
Sun 11, 11 PM12.54
Sun 11, 10 PM12.54
Sun 11, 9 PM12.54
Sun 11, 8 PM12.54
Sun 11, 7 PM12.54
Sun 11, 6 PM12.54
Sun 11, 5 PM12.84
Sun 11, 4 PM12.84
Sun 11, 3 PM13.14
Sun 11, 2 PM12.84
Sun 11, 1 PM12.84
Sun 11, 12 PM12.84
Sun 11, 11 AM12.54
Sun 11, 10 AM12.54
Sun 11, 9 AM12.24
Sun 11, 8 AM12.24
Sun 11, 7 AM12.24
Sun 11, 6 AM12.24
Sun 11, 5 AM12.24
Sun 11, 4 AM12.24
Sun 11, 3 AM12.54
Sun 11, 2 AM12.54
Sun 11, 1 AM12.54
Sun 11, 12 AM12.54
Sat 10, 11 PM12.54
Sat 10, 10 PM12.54
Sat 10, 9 PM12.54
Sat 10, 8 PM12.54
Sat 10, 7 PM12.54
Sat 10, 6 PM12.84
Sat 10, 5 PM12.84
Sat 10, 4 PM12.84
Sat 10, 3 PM12.84
Sat 10, 2 PM12.84
Sat 10, 1 PM12.54
Sat 10, 12 PM12.54
Sat 10, 11 AM12.54
Sat 10, 10 AM12.54
Sat 10, 9 AM12.54
Sat 10, 8 AM12.53
Sat 10, 7 AM12.24
Sat 10, 6 AM12.24
Sat 10, 5 AM12.24
Sat 10, 4 AM12.54
Sat 10, 3 AM12.54
Sat 10, 2 AM12.54
Sat 10, 1 AM12.54
Sat 10, 12 AM12.54
Fri 9, 11 PM12.54
Fri 9, 10 PM12.53
Fri 9, 9 PM12.54
Fri 9, 8 PM12.54
Fri 9, 7 PM9.44
Fri 9, 6 PM12.54
Fri 9, 5 PM12.84
Fri 9, 4 PM12.84
Fri 9, 3 PM12.84
Fri 9, 2 PM12.84
Fri 9, 1 PM12.54
Fri 9, 12 PM12.84
Fri 9, 11 AM12.54
Fri 9, 10 AM12.54
Fri 9, 9 AM12.54
Fri 9, 8 AM12.54
Fri 9, 7 AM12.24
Fri 9, 6 AM12.54
Fri 9, 5 AM12.24
Fri 9, 4 AM12.24
Fri 9, 3 AM12.24
Fri 9, 2 AM12.54
Fri 9, 1 AM12.54

Near USGS Stream Gage/Forecast Point 2 E Napa River Nr St Helena