Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
NIMC1
Latitude
38.63670 N
Longitude
121.22330 W
Elevation
-
Listed
Automatically, on 167 reports in 161 hours over the last seven days
Observed
4:00 AMPDT, 42 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

Folsom 4SW - Lake Natomas Report

Rank 2,561 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 score89.2of 100

California median
91.6the median score of 4,465 stations
Scoring higher
2,558stations in California
Sharing its score
14ranks 2,559 to 2,572
Points deducted
10.87.0 arrival, 2.9 accuracy, 0.8 forecast check, 0.2 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
SRXC1rank 2,560; ahead on reports received 100% against 99.4%
Next below
MITC1rank 2,564; behind on reports received 99.4% against 98.8%
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 3599.434.8 of 35 pointsCalifornia median 98.5167 of 168 scheduled reports received in 7 days
  2. Arrivalweight 1030.43.0 of 10 pointsCalifornia median 81.2half its reports arrived within 45 min
  3. Continuityweight 10100.010.0 of 10 pointsCalifornia median 100.0longest silence 2 h, 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 :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
-
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: 167 of 168 scheduled reports received, 99.4%.

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. Folsom 4SW - Lake Natomas received 99.4 per cent, 167 of 168 scheduled reports, rank 2,561 of 4,465.WHERE IT RANKS IN CALIFORNIA, Oct 16THIS ONE: 99.4%, 167 OF 168, RANK 2,561 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 Folsom 4SW - Lake Natomas's rank in California by how it reported, day by day, from 2026-09-26 to 2026-10-16: 2026-09-26 rank 2,580 of 3,089; 2026-09-27 rank 2,372 of 3,141; 2026-09-28 rank 2,372 of 3,395; 2026-09-29 rank 2,273 of 3,460; 2026-09-30 rank 2,176 of 3,491; 2026-10-01 rank 2,321 of 3,586; 2026-10-02 rank 3,215 of 3,944; 2026-10-03 rank 3,215 of 3,944; 2026-10-04 rank 3,116 of 4,072; 2026-10-05 rank 3,128 of 4,333; 2026-10-06 rank 2,717 of 4,362; 2026-10-07 rank 2,708 of 4,381; 2026-10-08 rank 2,688 of 4,405; 2026-10-09 rank 2,648 of 4,400; 2026-10-10 rank 2,664 of 4,400; 2026-10-11 rank 2,686 of 4,428; 2026-10-12 rank 2,605 of 4,446; 2026-10-13 rank 2,608 of 4,464; 2026-10-14 rank 2,625 of 4,466; 2026-10-15 rank 2,553 of 4,462; 2026-10-16 rank 2,561 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, 20262,5614,46599.4%
Oct 15, 20262,5534,462100.0%
Oct 14, 20262,6254,466100.0%
Oct 13, 20262,6084,464100.0%
Oct 12, 20262,6054,446100.0%
Oct 11, 20262,6864,428100.0%
Oct 10, 20262,6644,400100.0%
Oct 9, 20262,6484,400100.0%
Oct 8, 20262,6884,40598.8%
Oct 7, 20262,7084,38198.8%
Oct 6, 20262,7174,36298.8%
Oct 5, 20263,1284,33398.8%
Oct 4, 20263,1164,07298.8%
Oct 3, 20263,2153,94498.7%
Oct 2, 20263,2153,94498.7%
Oct 1, 20262,3213,58698.5%
Sep 30, 20262,1763,49199.1%
Sep 29, 20262,2733,46098.9%
Sep 28, 20262,3723,39598.5%
Sep 27, 20262,3723,14197.8%
Sep 26, 20262,5803,08995.6%
Reports received at Folsom 4SW - Lake Natomas, reports from 0.0 to 2.0, the latest 1.0, in reports.REPORTS RECEIVEDreports00.511.526 AM9 AM12 PM3 PM6 PM9 PMOct 163 AM
Reports received at Folsom 4SW - Lake Natomas, reports from 0.0 to 2.0, the latest 1.0, in reports.REPORTS RECEIVEDreports00.511.52Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16

Near Folsom 4SW - Lake Natomas