Storm Station

In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
WX4MMM
Latitude
35.97000 N
Longitude
78.69000 W
Elevation
344 ft
Rank
-
Air temperature
61F
Relative humidity
98%
Pressure
30.12inHg
Wind
0mph
Gust
1mph
Wind direction
61°
Precipitation this hour
0in
Precipitation today
0in

On the radar over Citizen station WX4MMMReflectivityStorm 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. 3,204 instruments in North Carolina stand at one.

Station charts

Citizen station WX4MMM Report

Rank
-
Time to reach Storm Station
6 s9 in 10 within 28 s
Against its reference, 30 days
-0.1 °Fcooler than the airport station KRDU, 7.4 miles away, on average over 15 readings; typical difference 0.6 °F; also compared with 1 other reference station

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 1,659 ranked stations in North Carolina 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, 12; 10 to 19 per cent, 10; 20 to 29 per cent, 18; 30 to 39 per cent, 61; 40 to 49 per cent, 22; 50 to 59 per cent, 25; 60 to 69 per cent, 257; 70 to 79 per cent, 79; 80 to 89 per cent, 177; 90 to 99 per cent, 410; 100 per cent, 588.WHERE IT RANKS IN NORTH CAROLINA, Oct 4PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 91210 to 191020 to 291830 to 396140 to 492250 to 592560 to 6925770 to 797980 to 8917790 to 99410100588STATIONS, LOG SCALE
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%588
90 to 99%410
80 to 89%177
70 to 79%79
60 to 69%257
50 to 59%25
40 to 49%22
30 to 39%61
20 to 29%18
10 to 19%10
0 to 9%12

Station report

Citizen station WX4MMM, 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 WX4MMM, 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 WX4MMMFIG. C THE WIND AT CITIZEN STATION WX4MMMPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONCALMBEAUFORT FORCELEAST WIND, MPH0CALM0NOW, 0 MPH1LIGHT AIR1GUST, 1 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station WX4MMM, the windSTATION REPORT · CWOP WX4MMMTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-04IDSR-WX4MMM-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

2The column

Contents

At 344 ft above sea level, 1 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.55 inHg and the temperature at 57.8 F; the station's altimeter setting of 30.12 inHg means its barometer reads 29.75 inHg; it reports 61.0 F, 3.2 F warmer than standard.

Section from sea level of where Citizen station WX4MMM stands in the atmosphere, height to scale: the station 344 feet above sea level with 1 per cent of the air below it; the standard atmosphere's pressure there, 29.55 inches of mercury, and temperature, 57.8 degrees Fahrenheit; the altimeter setting of 30.12 and the station pressure it means, 29.75.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT WX4MMMFIG. D WHERE CITIZEN STATION WX4MMM 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 WX4MMM1 PER CENT OF THE AIR BELOW IT344 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 HERE29.55 inHgSTANDARD TEMPERATURE HERE57.8 FALTIMETER SETTING, REPORTED30.12 inHgITS BAROMETER READS29.75 inHgTEMPERATURE, REPORTED61.0 FTITLECitizen station WX4MMM, the columnSTATION REPORT · CWOP WX4MMMTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-04IDSR-WX4MMM-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 49 degrees above the horizon at 35.97 N, and the day is 11 h 34 min long. Level ground there takes 76 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station WX4MMM, angles true: on Oct 4 it stands 49 degrees above the horizon, against 77 at the June solstice, 54 at the equinoxes and 31 at the December solstice; the day is 11 h 34 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT WX4MMMFIG. E THE SUN AT CITIZEN STATION WX4MMMELEVATION 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 77°EQUINOXES 54°DECEMBER SOLSTICE 31°OCT 4, 49°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 34 MINLEVEL GROUND TAKES 76 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 35.97 N; THE SUN'S DECLINATION -4.5°TITLECitizen station WX4MMM, the sunSTATION REPORT · CWOP WX4MMMTYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-04IDSR-WX4MMM-3DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

4The instrument

Contents

A weather instrument, 344 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station WX4MMM, each sensor drawn and labelled with what it read: air temperature, 61.0 f; precipitation gauge, 0.01 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT WX4MMMFIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE61.0 FPRECIPITATION GAUGE0.01 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECitizen station WX4MMM, the instrumentSTATION REPORT · CWOP WX4MMMTYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 4 of 4DATE2026-10-04IDSR-WX4MMM-4DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Citizen station WX4MMM

Gauges

Weather instruments

Places