Storm Station
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In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
EW8307
Latitude
42.29000 N
Longitude
71.73000 W
Elevation
473 ft
Rank
653of 744 in Massachusetts, Oct 16
Observed
10:45 PMEDT, 2 hours ago
Air temperature
42F
Relative humidity
91%
Pressure
30.06inHg
Wind
0mph
Gust
0mph
Wind direction
306°
Precipitation this hour
0in
Precipitation today
0in

Ranking Statistics

On the radar over Citizen station EW8307ReflectivityStorm 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. 1,023 instruments in Massachusetts stand at one.

Station charts

Citizen station EW8307 Report

Rank 653 of 744 in Massachusetts, Oct 16. The 247 rank orders a state's stations by their 247 score out of 100: how reliably they report, how accurate their readings are against a reference station, how their readings pass their checks, and how they stand against the forecast.

Ranking Statistics

247 score76.8of 100

Massachusetts median
92.1the median score of 744 stations
Scoring higher
652stations in Massachusetts
Sharing its score
1no other station
Points deducted
23.217.4 reports received, 3.7 continuity, 1.4 forecast check, 0.7 accuracy
Counted at the median
Forecast checknot measured at this station; Massachusetts median 85.6
Next above
KMADALTO1rank 652; ahead on 247 score 76.9 against 76.8
Next below
EW5580rank 654; behind on 247 score 76.8 against 76.7

Equal scores are ordered by the share of scheduled reports received, then the reports due in the week (the longer record first), then the median arrival, then the longest silence.

  1. Reports receivedweight 3550.217.6 of 35 pointsMassachusetts median 85.7110 of 219 scheduled reports received in 7 days
  2. Arrivalweight 10100.010.0 of 10 pointsMassachusetts median 100.0half its reports arrived within 17 s
  3. Continuityweight 1062.86.3 of 10 pointsMassachusetts median 100.0longest silence 7.5 h, on a schedule of one report every 46 min
  4. Accuracyweight 2096.719.3 of 20 pointsMassachusetts median 100.0its temperature against the airport station KORH, 7.4 miles away, over 78 readings: typical difference 2.5 °F beyond a steady offset of +0.2 °F
  5. Instrument checksweight 15100.015.0 of 15 pointsMassachusetts median 100.00 of 78 readings failed their check against its reference station
  6. Forecast checkweight 10-8.6 of 10 points, at the medianMassachusetts median 85.6-

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.

How each part is scored
Reports received
Full marks for every scheduled report received, none for none, in proportion between
Arrival
Full marks for a median arrival within 10 min, none at 60 min
Continuity
Full marks for a longest silence of 3 reports or less (2.3 h), none for 72 (55.2 h)
Accuracy
Full marks within 2.2 °F of its reference, typically, none beyond 8.7 °F
Instrument checks
Full marks for no reading failed, none for 5 per cent or more
Forecast check
Full marks within 2 °F of the forecast on average, none at 8 °F
Rank
653of 744 in Massachusetts, Oct 16
Time to reach Storm Station
17 s9 in 10 within 31 s
Against its reference, 30 days
+0.5 °Fwarmer than the airport station KORH, 7.4 miles away, on average over 119 readings; typical difference 2.6 °F

The reports received are counted from the network's own archive of this station's reports. Its 247 rank is counted from Storm Station's own record, which holds less than 7 days of it so far: 110 of 219 scheduled reports received, 50.2%.

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 744 ranked stations in Massachusetts on Oct 16 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, 3; 10 to 19 per cent, 5; 20 to 29 per cent, 13; 30 to 39 per cent, 4; 40 to 49 per cent, 60; 50 to 59 per cent, 170; 60 to 69 per cent, 22; 70 to 79 per cent, 51; 80 to 89 per cent, 93; 90 to 99 per cent, 112; 100 per cent, 211. Citizen station EW8307 received 50.2 per cent, 110 of 219 scheduled reports, rank 653 of 744.WHERE IT RANKS IN MASSACHUSETTS, Oct 16THIS ONE: 50.2%, 110 OF 219, RANK 653 OF 744PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9310 to 19520 to 291330 to 39440 to 496050 to 5917060 to 692270 to 795180 to 899390 to 99112100211STATIONS, LOG SCALE
Chart of Citizen station EW8307's rank in Massachusetts by how it reported, day by day, from 2026-10-06 to 2026-10-16: 2026-10-06 rank 523 of 719; 2026-10-07 rank 645 of 722; 2026-10-08 rank 596 of 733; 2026-10-09 rank 661 of 725; 2026-10-10 rank 659 of 726; 2026-10-11 rank 636 of 729; 2026-10-12 rank 618 of 726; 2026-10-13 rank 616 of 730; 2026-10-14 rank 657 of 735; 2026-10-15 rank 646 of 741; 2026-10-16 rank 653 of 744.ITS RANK IN MASSACHUSETTS, DAY BY DAYRANK, FIRST AT THE TOP1200400600800Oct 6Oct 8Oct 10Oct 12Oct 14Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%211
90 to 99%112
80 to 89%93
70 to 79%51
60 to 69%22
50 to 59%170
40 to 49%60
30 to 39%4
20 to 29%13
10 to 19%5
0 to 9%3
DayRankStations rankedShare received
Oct 16, 202665374450.2%
Oct 15, 202664674149.7%
Oct 14, 202665773549.3%
Oct 13, 202661673053.1%
Oct 12, 202661872652.2%
Oct 11, 202663672947.4%
Oct 10, 202665972645.0%
Oct 9, 202666172544.7%
Oct 8, 202659673356.0%
Oct 7, 202664572246.1%
Oct 6, 202652371957.1%

Station report

Citizen station EW8307, 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 EW8307, 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 EW8307FIG. C THE WIND AT CITIZEN STATION EW8307PLAN, 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 EW8307, the windSTATION REPORT · CWOP EW8307TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 1 of 4DATE2026-10-16IDSR-EW8307-1DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008

From the Field Book

2The column

Contents

At 473 ft above sea level, 2 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.41 inHg and the temperature at 57.3 F; the station's altimeter setting of 30.06 inHg means its barometer reads 29.55 inHg; it reports 42.0 F, 15.3 F colder than standard.

Section from sea level of where Citizen station EW8307 stands in the atmosphere, height to scale: the station 473 feet above sea level with 2 per cent of the air below it; the standard atmosphere's pressure there, 29.41 inches of mercury, and temperature, 57.3 degrees Fahrenheit; the altimeter setting of 30.06 and the station pressure it means, 29.55.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW8307FIG. D WHERE CITIZEN STATION EW8307 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 EW83072 PER CENT OF THE AIR BELOW IT473 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 HERE29.41 inHgSTANDARD TEMPERATURE HERE57.3 FALTIMETER SETTING, REPORTED30.06 inHgITS BAROMETER READS29.55 inHgTEMPERATURE, REPORTED42.0 FTITLECitizen station EW8307, the columnSTATION REPORT · CWOP EW8307TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 4DATE2026-10-16IDSR-EW8307-2DRAWN 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 42.29 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 EW8307, 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 EW8307FIG. E THE SUN AT CITIZEN STATION EW8307ELEVATION 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 42.29 N; THE SUN'S DECLINATION -9.1°TITLECitizen station EW8307, the sunSTATION REPORT · CWOP EW8307TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 3 of 4DATE2026-10-16IDSR-EW8307-3DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

4The instrument

Contents

A weather instrument, 473 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station EW8307, each sensor drawn and labelled with what it read: air temperature, 42.0 f; precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT EW8307FIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE42.0 FPRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECitizen station EW8307, the instrumentSTATION REPORT · CWOP EW8307TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 4 of 4DATE2026-10-16IDSR-EW8307-4DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Citizen station EW8307

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