Storm Station

In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
CW6521
Latitude
34.70000 N
Longitude
111.90000 W
Elevation
3,334 ft
Rank
-
Air temperature
59F
Relative humidity
77%
Pressure
30.06inHg
Wind
0mph
Gust
0mph
Wind direction
118°
Precipitation this hour
0in
Precipitation today
0in

In a volunteer observer's own ground

Drawn as the kind of place it stands at. 1,204 instruments in Arizona stand at one.

Station charts

Citizen station CW6521 Report

Rank
-
Time to reach Storm Station
20 s9 in 10 within 29 s
Against its reference, 30 days
+0.8 °Fwarmer than the airport station KP52, 7.8 miles away, on average over 16 readings; typical difference 2.4 °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 1,481 ranked stations in Arizona 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, 1; 10 to 19 per cent, 1; 20 to 29 per cent, 1; 30 to 39 per cent, 59; 40 to 49 per cent, 76; 50 to 59 per cent, 98; 60 to 69 per cent, 64; 70 to 79 per cent, 146; 80 to 89 per cent, 295; 90 to 99 per cent, 253; 100 per cent, 487.WHERE IT RANKS IN ARIZONA, Oct 4PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9110 to 19120 to 29130 to 395940 to 497650 to 599860 to 696470 to 7914680 to 8929590 to 99253100487STATIONS, LOG SCALE
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%487
90 to 99%253
80 to 89%295
70 to 79%146
60 to 69%64
50 to 59%98
40 to 49%76
30 to 39%59
20 to 29%1
10 to 19%1
0 to 9%1

Station report

Citizen station CW6521, 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 CW6521, 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 CW6521FIG. C THE WIND AT CITIZEN STATION CW6521PLAN, 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 CW6521, the windSTATION REPORT · CWOP CW6521TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-04IDSR-CW6521-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

2The column

Contents

At 3,334 ft above sea level, 11 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 26.49 inHg and the temperature at 47.1 F; the station's altimeter setting of 30.06 inHg means its barometer reads 26.61 inHg; it reports 59.0 F, 11.9 F warmer than standard.

Section from sea level of where Citizen station CW6521 stands in the atmosphere, height to scale: the station 3,334 feet above sea level with 11 per cent of the air below it; the standard atmosphere's pressure there, 26.49 inches of mercury, and temperature, 47.1 degrees Fahrenheit; the altimeter setting of 30.06 and the station pressure it means, 26.61.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CW6521FIG. D WHERE CITIZEN STATION CW6521 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 CW652111 PER CENT OF THE AIR BELOW IT3,334 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 HERE26.49 inHgSTANDARD TEMPERATURE HERE47.1 FALTIMETER SETTING, REPORTED30.06 inHgITS BAROMETER READS26.61 inHgTEMPERATURE, REPORTED59.0 FTITLECitizen station CW6521, the columnSTATION REPORT · CWOP CW6521TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-04IDSR-CW6521-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

3The sun

Contents

On Oct 4 the noon sun stands 51 degrees above the horizon at 34.70 N, and the day is 11 h 35 min long. Level ground there takes 77 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station CW6521, angles true: on Oct 4 it stands 51 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 35 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CW6521FIG. E THE SUN AT CITIZEN STATION CW6521ELEVATION 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 4, 51°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 35 MINLEVEL GROUND TAKES 77 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 34.70 N; THE SUN'S DECLINATION -4.6°TITLECitizen station CW6521, the sunSTATION REPORT · CWOP CW6521TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-04IDSR-CW6521-3DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

4The instrument

Contents

A weather instrument, 3,334 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station CW6521, each sensor drawn and labelled with what it read: air temperature, 59.0 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT CW6521FIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE59.0 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECitizen station CW6521, the instrumentSTATION REPORT · CWOP CW6521TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 4 of 4DATE2026-10-04IDSR-CW6521-4DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Citizen station CW6521