Storm Station
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In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
N9LHF
Latitude
42.33000 N
Longitude
89.63000 W
Elevation
803 ft
Rank
-
Observed
5:10 AMCDT, 1 hour ago
Air temperature
48F
Relative humidity
79%
Pressure
30.01inHg
Wind
4mph
Gust
14mph
Wind direction
236°
Precipitation this hour
0in
Precipitation today
0in

In a volunteer observer's own ground

Drawn as the kind of place it stands at. 1,777 instruments in Illinois stand at one.

Station report

Citizen station N9LHF, 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 southwest (236 degrees) at 4 mph, gusting 14 mph: force 2, a light breeze on the Beaufort scale.

Plan of the wind at Citizen station N9LHF, north up: blowing from 236 degrees, the southwest, at 4 miles an hour, gusting 14; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT N9LHFFIG. C THE WIND AT CITIZEN STATION N9LHFPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 236°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 4 MPH3GENTLE BREEZE84MODERATE BREEZE13GUST, 14 MPH5FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station N9LHF, the windSTATION REPORT · CWOP N9LHFTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-N9LHF-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

2The column

Contents

At 803 ft above sea level, 3 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.06 inHg and the temperature at 56.1 F; the station's altimeter setting of 30.01 inHg means its barometer reads 29.15 inHg; it reports 48.0 F, 8.1 F colder than standard.

Section from sea level of where Citizen station N9LHF stands in the atmosphere, height to scale: the station 803 feet above sea level with 3 per cent of the air below it; the standard atmosphere's pressure there, 29.06 inches of mercury, and temperature, 56.1 degrees Fahrenheit; the altimeter setting of 30.01 and the station pressure it means, 29.15.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT N9LHFFIG. D WHERE CITIZEN STATION N9LHF 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 N9LHF3 PER CENT OF THE AIR BELOW IT803 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 HERE29.06 inHgSTANDARD TEMPERATURE HERE56.1 FALTIMETER SETTING, REPORTED30.01 inHgITS BAROMETER READS29.15 inHgTEMPERATURE, REPORTED48.0 FTITLECitizen station N9LHF, the columnSTATION REPORT · CWOP N9LHFTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-N9LHF-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 39 degrees above the horizon at 42.33 N, and the day is 10 h 53 min long. Level ground there takes 62 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station N9LHF, angles true: on Oct 16 it stands 39 degrees above the horizon, against 71 at the June solstice, 48 at the equinoxes and 24 at the December solstice; the day is 10 h 53 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT N9LHFFIG. E THE SUN AT CITIZEN STATION N9LHFELEVATION 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 71°EQUINOXES 48°DECEMBER SOLSTICE 24°OCT 16, 39°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 53 MINLEVEL GROUND TAKES 62 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 42.33 N; THE SUN'S DECLINATION -9.1°TITLECitizen station N9LHF, the sunSTATION REPORT · CWOP N9LHFTYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-N9LHF-3DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

4The instrument

Contents

A weather instrument, 803 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station N9LHF, each sensor drawn and labelled with what it read: air temperature, 48.0 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT N9LHFFIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE48.0 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECitizen station N9LHF, the instrumentSTATION REPORT · CWOP N9LHFTYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 4 of 4DATE2026-10-16IDSR-N9LHF-4DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Citizen station N9LHF