Storm Station

In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
AC1EG
Latitude
38.93000 N
Longitude
104.74000 W
Elevation
6,724 ft
Rank
-
Air temperature
46F
Relative humidity
79%
Pressure
30.53inHg
Wind
0mph
Gust
0mph
Wind direction
352°
Precipitation this hour
0in
Precipitation today
0in

On the radar over Citizen station AC1EGReflectivityStorm 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. 3,989 instruments in Colorado stand at one.

Station charts

Citizen station AC1EG Report

Rank
-
Time to reach Storm Station
7 s
Against its reference, 30 days
-1.3 °Fcooler than the airport station KFLY, 9.3 miles away, on average over 3 readings; typical difference 1.3 °F; also compared with 2 other reference stations

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 2,374 ranked stations in Colorado 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, 2; 10 to 19 per cent, 2; 20 to 29 per cent, 7; 30 to 39 per cent, 137; 40 to 49 per cent, 15; 50 to 59 per cent, 19; 60 to 69 per cent, 381; 70 to 79 per cent, 49; 80 to 89 per cent, 54; 90 to 99 per cent, 953; 100 per cent, 755.WHERE IT RANKS IN COLORADO, Oct 4PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9210 to 19220 to 29730 to 3913740 to 491550 to 591960 to 6938170 to 794980 to 895490 to 99953100755STATIONS, LOG SCALE
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%755
90 to 99%953
80 to 89%54
70 to 79%49
60 to 69%381
50 to 59%19
40 to 49%15
30 to 39%137
20 to 29%7
10 to 19%2
0 to 9%2

Station report

Citizen station AC1EG, 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 AC1EG, 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 AC1EGFIG. C THE WIND AT CITIZEN STATION AC1EGPLAN, 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 AC1EG, the windSTATION REPORT · CWOP AC1EGTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-04IDSR-AC1EG-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

2The column

Contents

At 6,724 ft above sea level, 22 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 23.33 inHg and the temperature at 35.0 F; the station's altimeter setting of 30.53 inHg means its barometer reads 23.81 inHg; it reports 46.0 F, 11.0 F warmer than standard.

Section from sea level of where Citizen station AC1EG stands in the atmosphere, height to scale: the station 6,724 feet above sea level with 22 per cent of the air below it; the standard atmosphere's pressure there, 23.33 inches of mercury, and temperature, 35.0 degrees Fahrenheit; the altimeter setting of 30.53 and the station pressure it means, 23.81.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AC1EGFIG. D WHERE CITIZEN STATION AC1EG 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 AC1EG22 PER CENT OF THE AIR BELOW IT6,724 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 HERE23.33 inHgSTANDARD TEMPERATURE HERE35.0 FALTIMETER SETTING, REPORTED30.53 inHgITS BAROMETER READS23.81 inHgTEMPERATURE, REPORTED46.0 FTITLECitizen station AC1EG, the columnSTATION REPORT · CWOP AC1EGTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-04IDSR-AC1EG-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 46 degrees above the horizon at 38.93 N, and the day is 11 h 30 min long. Level ground there takes 73 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station AC1EG, angles true: on Oct 4 it stands 46 degrees above the horizon, against 75 at the June solstice, 51 at the equinoxes and 28 at the December solstice; the day is 11 h 30 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AC1EGFIG. E THE SUN AT CITIZEN STATION AC1EGELEVATION 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 75°EQUINOXES 51°DECEMBER SOLSTICE 28°OCT 4, 46°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 30 MINLEVEL GROUND TAKES 73 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 38.93 N; THE SUN'S DECLINATION -4.6°TITLECitizen station AC1EG, the sunSTATION REPORT · CWOP AC1EGTYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-04IDSR-AC1EG-3DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

4The instrument

Contents

A weather instrument, 6,724 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station AC1EG, each sensor drawn and labelled with what it read: air temperature, 46.0 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT AC1EGFIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE46.0 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECitizen station AC1EG, the instrumentSTATION REPORT · CWOP AC1EGTYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 4 of 4DATE2026-10-04IDSR-AC1EG-4DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Citizen station AC1EG

Gauges

Weather instruments

Places