Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
390500122321601
Latitude
39.08045 N
Longitude
122.53637 W
Elevation
1,490 ft
Observed
12:00 AMPDT, 47 minutes ago
Precipitation in the gauge's latest reading
0in

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

Indian Valley Dam Precip Gage Nr Clearlake Oaks Report

Rank 2,206 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 score91.8of 100

California median
91.6the median score of 4,465 stations
Scoring higher
2,204stations in California
Sharing its score
12ranks 2,205 to 2,216
Points deducted
8.24.6 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
LOAC1rank 2,205; ahead on median arrival 14 min 49 s against 32 min 49 s
Next below
341429116583101rank 2,207; behind on longest silence 61 min against 75 min

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 1054.45.4 of 10 pointsCalifornia median 81.2half its reports arrived within 33 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
Schedule
every houron the hour's :00
Reports received, 24 hours
24 of 24100% of its schedule
Reports received, 7 days
168 of 168100% of its schedule
Days reported, 30 days
-
Longest silence, 7 days
1 hourfrom Oct 9, 8:00 AM
Latest report
Oct 16, 7:00 AMlocal time
Time to reach Storm Station
33 min9 in 10 within 33 min

From Storm Station's own record of every report it heard from this station.

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. Indian Valley Dam Precip Gage Nr Clearlake Oaks received 100.0 per cent, 168 of 168 scheduled reports, rank 2,206 of 4,465.WHERE IT RANKS IN CALIFORNIA, Oct 16THIS ONE: 100.0%, 168 OF 168, RANK 2,206 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 Indian Valley Dam Precip Gage Nr Clearlake Oaks's rank in California by how it reported, day by day, from 2026-10-07 to 2026-10-16: 2026-10-07 rank 4,270 of 4,381; 2026-10-08 rank 4,199 of 4,405; 2026-10-09 rank 3,916 of 4,400; 2026-10-10 rank 3,910 of 4,400; 2026-10-11 rank 3,549 of 4,428; 2026-10-12 rank 2,804 of 4,446; 2026-10-13 rank 2,204 of 4,464; 2026-10-14 rank 2,212 of 4,466; 2026-10-15 rank 2,229 of 4,462; 2026-10-16 rank 2,206 of 4,465.ITS RANK IN CALIFORNIA, DAY BY DAYRANK, FIRST AT THE TOP12,0004,0006,000Oct 7Oct 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, 20262,2064,465100.0%
Oct 15, 20262,2294,462100.0%
Oct 14, 20262,2124,466100.0%
Oct 13, 20262,2044,464100.0%
Oct 12, 20262,8044,44686.3%
Oct 11, 20263,5494,42872.0%
Oct 10, 20263,9104,40057.7%
Oct 9, 20263,9164,40057.1%
Oct 8, 20264,1994,40529.1%
Oct 7, 20264,2704,38114.8%

Station report

Indian Valley Dam Precip Gage Nr Clearlake Oaks, in 3 sheets

Drawn from the register, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The column

Contents

At 1,490 ft above sea level, 5 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 28.34 inHg and the temperature at 53.7 F.

Section from sea level of where Indian Valley Dam Precip Gage Nr Clearlake Oaks stands in the atmosphere, height to scale: the station 1,490 feet above sea level with 5 per cent of the air below it; the standard atmosphere's pressure there, 28.34 inches of mercury, and temperature, 53.7 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 390500122321601FIG. D WHERE INDIAN VALLEY DAM PRECIP GAGE NR CLEARLAKE OAKS STANDS IN THE ATMOSPHERESECTION FROM SEA LEVEL, HEIGHT TO SCALE, THE STATION IN THE STANDARD ATMOSPHEREFT ABOVE SEA LEVEL05,00010,00015,000SEA LEVEL, 29.92 inHg IN THE STANDARD ATMOSPHEREINDIAN VALLEY DAM PRECIP GAGE NR CLEARLAKE OAKS5 PER CENT OF THE AIR BELOW IT1,490 FT10 PER CENT OF THE AIR BELOW, 2,890 FT20 PER CENT OF THE AIR BELOW, 6,050 FT30 PER CENT OF THE AIR BELOW, 9,540 FT40 PER CENT OF THE AIR BELOW, 13,470 FTSTANDARD PRESSURE HERE28.34 inHgSTANDARD TEMPERATURE HERE53.7 FTITLEIndian Valley Dam Precip Gage Nr Clearlake Oaks, the columnSTATION REPORT · DCP 390500122321601TYPESECTIONSCALEHEIGHT TO SCALEREVFROM THE REGISTER SHEET 1 of 3DATE2026-10-16IDSR-390500122321601-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 16 the noon sun stands 42 degrees above the horizon at 39.08 N, and the day is 11 h 00 min long. Level ground there takes 67 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Indian Valley Dam Precip Gage Nr Clearlake Oaks, angles true: on Oct 16 it stands 42 degrees above the horizon, against 74 at the June solstice, 51 at the equinoxes and 27 at the December solstice; the day is 11 h 00 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 390500122321601FIG. E THE SUN AT INDIAN VALLEY DAM PRECIP GAGE NR CLEARLAKE OAKSELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 74°EQUINOXES 51°DECEMBER SOLSTICE 27°OCT 16, 42°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 00 MINLEVEL GROUND TAKES 67 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 39.08 N; THE SUN'S DECLINATION -9.1°TITLEIndian Valley Dam Precip Gage Nr Clearlake Oaks, the sunSTATION REPORT · DCP 390500122321601TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 2 of 3DATE2026-10-16IDSR-390500122321601-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A data collection platform, 1,490 ft above sea level. Its sensors, as its network builds them.

Elevation of a data collection platform, Indian Valley Dam Precip Gage Nr Clearlake Oaks, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 390500122321601FIG. F THE INSTRUMENTELEVATION OF A DATA COLLECTION PLATFORM, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE-PRECIPITATION GAUGE-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLEIndian Valley Dam Precip Gage Nr Clearlake Oaks, the instrumentSTATION REPORT · DCP 390500122321601TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 3 of 3DATE2026-10-16IDSR-390500122321601-3DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Indian Valley Dam Precip Gage Nr Clearlake Oaks