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In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
N7OP
Latitude
34.78000 N
Longitude
118.28000 W
Elevation
2,427 ft
Rank
3,252of 4,465 in California, Oct 16
Observed
1:12 AMPDT, 46 minutes ago
Air temperature
57F
Relative humidity
39%
Pressure
30.19inHg
Wind
0mph
Gust
0mph
Precipitation this hour
0in
Precipitation today
0in

Ranking Statistics

In a volunteer observer's own ground

Drawn as the kind of place it stands at. 1,795 instruments in California stand at one.

Station report

Citizen station N7OP, 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

Calm.

Plan of the wind at Citizen station N7OP, north up: calm; beside it the Beaufort scale from calm to hurricane force, force 0, calm, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT N7OPFIG. C THE WIND AT CITIZEN STATION N7OPPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station N7OP, the windSTATION REPORT · CWOP N7OPTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-N7OP-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

2The column

Contents

At 2,427 ft above sea level, 8 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 27.39 inHg and the temperature at 50.3 F; the station's altimeter setting of 30.19 inHg means its barometer reads 27.63 inHg; it reports 57.0 F, 6.7 F warmer than standard.

Section from sea level of where Citizen station N7OP stands in the atmosphere, height to scale: the station 2,427 feet above sea level with 8 per cent of the air below it; the standard atmosphere's pressure there, 27.39 inches of mercury, and temperature, 50.3 degrees Fahrenheit; the altimeter setting of 30.19 and the station pressure it means, 27.63.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT N7OPFIG. D WHERE CITIZEN STATION N7OP 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 N7OP8 PER CENT OF THE AIR BELOW IT2,427 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 HERE27.39 inHgSTANDARD TEMPERATURE HERE50.3 FALTIMETER SETTING, REPORTED30.19 inHgITS BAROMETER READS27.63 inHgTEMPERATURE, REPORTED57.0 FTITLECitizen station N7OP, the columnSTATION REPORT · CWOP N7OPTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-N7OP-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

3The sun

Contents

On Oct 16 the noon sun stands 46 degrees above the horizon at 34.78 N, and the day is 11 h 09 min long. Level ground there takes 72 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station N7OP, angles true: on Oct 16 it stands 46 degrees above the horizon, against 79 at the June solstice, 55 at the equinoxes and 32 at the December solstice; the day is 11 h 09 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT N7OPFIG. E THE SUN AT CITIZEN STATION N7OPELEVATION 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 79°EQUINOXES 55°DECEMBER SOLSTICE 32°OCT 16, 46°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 09 MINLEVEL GROUND TAKES 72 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 34.78 N; THE SUN'S DECLINATION -9.1°TITLECitizen station N7OP, the sunSTATION REPORT · CWOP N7OPTYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-N7OP-3DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

4The instrument

Contents

A weather instrument, 2,427 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station N7OP, each sensor drawn and labelled with what it read: air temperature, 57.0 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT N7OPFIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE57.0 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECitizen station N7OP, the instrumentSTATION REPORT · CWOP N7OPTYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 4 of 4DATE2026-10-16IDSR-N7OP-4DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Citizen station N7OP