Storm Station

In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
EW9917
Latitude
45.11000 N
Longitude
122.93000 W
Elevation
184 ft
Rank
-
Air temperature
76F
Relative humidity
42%
Pressure
29.99inHg
Wind
1mph
Gust
3mph
Wind direction
162°
Precipitation today
0in

On the radar over Citizen station EW9917ReflectivityStorm 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. 1,208 instruments in Oregon stand at one.

Station charts

Citizen station EW9917 Report

Rank
-
Time to reach Storm Station
18 s9 in 10 within 31 s
Against its reference, 30 days
+2.8 °Fwarmer than the airport station KMMV, 12 miles away, on average over 14 readings; typical difference 3.5 °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 1,303 ranked stations in Oregon 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, 6; 20 to 29 per cent, 0; 30 to 39 per cent, 33; 40 to 49 per cent, 7; 50 to 59 per cent, 11; 60 to 69 per cent, 70; 70 to 79 per cent, 58; 80 to 89 per cent, 160; 90 to 99 per cent, 581; 100 per cent, 376.WHERE IT RANKS IN OREGON, Oct 4PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9110 to 19620 to 2930 to 393340 to 49750 to 591160 to 697070 to 795880 to 8916090 to 99581100376STATIONS, LOG SCALE
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%376
90 to 99%581
80 to 89%160
70 to 79%58
60 to 69%70
50 to 59%11
40 to 49%7
30 to 39%33
20 to 29%0
10 to 19%6
0 to 9%1

Station report

Citizen station EW9917, 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 south southeast (162 degrees) at 1 mph, gusting 3 mph: force 1, a light air on the Beaufort scale.

Plan of the wind at Citizen station EW9917, north up: blowing from 162 degrees, the south southeast, at 1 miles an hour, gusting 3; beside it the Beaufort scale from calm to hurricane force, force 1, light air, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW9917FIG. C THE WIND AT CITIZEN STATION EW9917PLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 162°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR1NOW, 1 MPH2LIGHT BREEZE43GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLECitizen station EW9917, the windSTATION REPORT · CWOP EW9917TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-04IDSR-EW9917-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

2The column

Contents

At 184 ft above sea level, 1 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.72 inHg and the temperature at 58.3 F; the station's altimeter setting of 29.99 inHg means its barometer reads 29.79 inHg; it reports 76.0 F, 17.7 F warmer than standard.

Section from sea level of where Citizen station EW9917 stands in the atmosphere, height to scale: the station 184 feet above sea level with 1 per cent of the air below it; the standard atmosphere's pressure there, 29.72 inches of mercury, and temperature, 58.3 degrees Fahrenheit; the altimeter setting of 29.99 and the station pressure it means, 29.79.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW9917FIG. D WHERE CITIZEN STATION EW9917 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 EW99171 PER CENT OF THE AIR BELOW IT184 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 HERE29.72 inHgSTANDARD TEMPERATURE HERE58.3 FALTIMETER SETTING, REPORTED29.99 inHgITS BAROMETER READS29.79 inHgTEMPERATURE, REPORTED76.0 FTITLECitizen station EW9917, the columnSTATION REPORT · CWOP EW9917TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-04IDSR-EW9917-2DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

3The sun

Contents

On Oct 4 the noon sun stands 40 degrees above the horizon at 45.11 N, and the day is 11 h 23 min long. Level ground there takes 65 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station EW9917, angles true: on Oct 4 it stands 40 degrees above the horizon, against 68 at the June solstice, 45 at the equinoxes and 21 at the December solstice; the day is 11 h 23 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW9917FIG. E THE SUN AT CITIZEN STATION EW9917ELEVATION 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 68°EQUINOXES 45°DECEMBER SOLSTICE 21°OCT 4, 40°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 23 MINLEVEL GROUND TAKES 65 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 45.11 N; THE SUN'S DECLINATION -4.6°TITLECitizen station EW9917, the sunSTATION REPORT · CWOP EW9917TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-04IDSR-EW9917-3DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

4The instrument

Contents

A weather instrument, 184 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station EW9917, each sensor drawn and labelled with what it read: air temperature, 76.0 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW9917FIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE76.0 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECitizen station EW9917, the instrumentSTATION REPORT · CWOP EW9917TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 4 of 4DATE2026-10-04IDSR-EW9917-4DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Citizen station EW9917

Gauges

Weather instruments

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