Storm Station

In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
GW4109
Latitude
33.26000 N
Longitude
116.40000 W
Elevation
716 ft
Rank
-
Air temperature
87F
Relative humidity
32%
Pressure
30.09inHg
Wind
1mph
Gust
2mph
Wind direction
336°
Precipitation this hour
0in
Precipitation today
0in

On the radar over Citizen station GW4109ReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

In a volunteer observer's own ground

Drawn as the kind of place it stands at. 1,788 instruments in California stand at one.

Station charts

Citizen station GW4109 Report

Rank
-
Time to reach Storm Station
15 s9 in 10 within 30 s
Against its reference, 30 days
+7.1 °Fwarmer than the airport station KL08, 4.5 miles away, on average over 31 readings; typical difference 7.7 °F

Against its reference: each temperature this station reports is compared with the nearest airport or climate reference station that reported within half an hour, up to 15 miles away. The figure is its reading less the reference's, on average, as both were reported; the typical difference is the root mean square. The difference in height is shown where both heights are known.

Chart of the 4,072 ranked stations in California on Oct 4 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, 86; 10 to 19 per cent, 52; 20 to 29 per cent, 8; 30 to 39 per cent, 43; 40 to 49 per cent, 36; 50 to 59 per cent, 54; 60 to 69 per cent, 151; 70 to 79 per cent, 116; 80 to 89 per cent, 218; 90 to 99 per cent, 2,244; 100 per cent, 1,064.WHERE IT RANKS IN CALIFORNIA, Oct 4PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101001,0000 to 98610 to 195220 to 29830 to 394340 to 493650 to 595460 to 6915170 to 7911680 to 8921890 to 992,2441001,064STATIONS, LOG SCALE
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%1,064
90 to 99%2,244
80 to 89%218
70 to 79%116
60 to 69%151
50 to 59%54
40 to 49%36
30 to 39%43
20 to 29%8
10 to 19%52
0 to 9%86

Station report

Citizen station GW4109, in 4 sheets

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

1The wind

Contents

From the north northwest (336 degrees) at 1 mph, gusting 2 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Citizen station GW4109, north up: blowing from 336 degrees, the north northwest, at 1 miles an hour, gusting 2; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW4109FIG. C THE WIND AT CITIZEN STATION GW4109PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 336°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 1 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station GW4109, the windSTATION REPORT · CWOP GW4109TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-04IDSR-GW4109-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

2The column

Contents

At 716 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.16 inHg and the temperature at 56.4 F; the station's altimeter setting of 30.09 inHg means its barometer reads 29.32 inHg; it reports 87.0 F, 30.6 F warmer than standard.

Section from sea level of where Citizen station GW4109 stands in the atmosphere, height to scale: the station 716 feet above sea level with 3 per cent of the air below it; the standard atmosphere's pressure there, 29.16 inches of mercury, and temperature, 56.4 degrees Fahrenheit; the altimeter setting of 30.09 and the station pressure it means, 29.32.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW4109FIG. D WHERE CITIZEN STATION GW4109 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 ATMOSPHERECITIZEN STATION GW41093 PER CENT OF THE AIR BELOW IT716 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 HERE29.16 inHgSTANDARD TEMPERATURE HERE56.4 FALTIMETER SETTING, REPORTED30.09 inHgITS BAROMETER READS29.32 inHgTEMPERATURE, REPORTED87.0 FTITLECitizen station GW4109, the columnSTATION REPORT · CWOP GW4109TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-04IDSR-GW4109-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

3The sun

Contents

On Oct 4 the noon sun stands 52 degrees above the horizon at 33.26 N, and the day is 11 h 36 min long. Level ground there takes 79 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station GW4109, angles true: on Oct 4 it stands 52 degrees above the horizon, against 80 at the June solstice, 57 at the equinoxes and 33 at the December solstice; the day is 11 h 36 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW4109FIG. E THE SUN AT CITIZEN STATION GW4109ELEVATION 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 80°EQUINOXES 57°DECEMBER SOLSTICE 33°OCT 4, 52°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 36 MINLEVEL GROUND TAKES 79 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 33.26 N; THE SUN'S DECLINATION -4.6°TITLECitizen station GW4109, the sunSTATION REPORT · CWOP GW4109TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-04IDSR-GW4109-3DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

4The instrument

Contents

A weather instrument, 716 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station GW4109, each sensor drawn and labelled with what it read: air temperature, 87.0 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW4109FIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE87.0 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECitizen station GW4109, the instrumentSTATION REPORT · CWOP GW4109TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 4 of 4DATE2026-10-04IDSR-GW4109-4DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Citizen station GW4109

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