Storm Station
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In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
KB1NHL
Latitude
42.04000 N
Longitude
71.40000 W
Elevation
463 ft
Rank
-

On the radar over Citizen station KB1NHLReflectivityStorm 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 KB1NHL Report

Rank
-
Against its reference, 30 days
+3.7 °Fwarmer than the airport station K1B9, 11 miles away, on average over 2 readings; typical difference 3.8 °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 747 ranked stations in Massachusetts on Oct 17 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, 4; 10 to 19 per cent, 13; 20 to 29 per cent, 3; 30 to 39 per cent, 4; 40 to 49 per cent, 59; 50 to 59 per cent, 152; 60 to 69 per cent, 30; 70 to 79 per cent, 51; 80 to 89 per cent, 97; 90 to 99 per cent, 114; 100 per cent, 220.WHERE IT RANKS IN MASSACHUSETTS, Oct 17PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9410 to 191320 to 29330 to 39440 to 495950 to 5915260 to 693070 to 795180 to 899790 to 99114100220STATIONS, LOG SCALE
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%220
90 to 99%114
80 to 89%97
70 to 79%51
60 to 69%30
50 to 59%152
40 to 49%59
30 to 39%4
20 to 29%3
10 to 19%13
0 to 9%4

Station report

Citizen station KB1NHL, in 3 sheets

Drawn from the register, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The column

Contents

At 463 ft above sea level, 2 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.42 inHg and the temperature at 57.3 F.

Section from sea level of where Citizen station KB1NHL stands in the atmosphere, height to scale: the station 463 feet above sea level with 2 per cent of the air below it; the standard atmosphere's pressure there, 29.42 inches of mercury, and temperature, 57.3 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT KB1NHLFIG. D WHERE CITIZEN STATION KB1NHL 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 KB1NHL2 PER CENT OF THE AIR BELOW IT463 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 HERE29.42 inHgSTANDARD TEMPERATURE HERE57.3 FTITLECitizen station KB1NHL, the columnSTATION REPORT · CWOP KB1NHLTYPESECTIONSCALEHEIGHT TO SCALEREVFROM THE REGISTER SHEET 1 of 3DATE2026-10-17IDSR-KB1NHL-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 17 the noon sun stands 39 degrees above the horizon at 42.04 N, and the day is 10 h 51 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 KB1NHL, angles true: on Oct 17 it stands 39 degrees above the horizon, against 71 at the June solstice, 48 at the equinoxes and 25 at the December solstice; the day is 10 h 51 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT KB1NHLFIG. E THE SUN AT CITIZEN STATION KB1NHLELEVATION 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 25°OCT 17, 39°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 51 MINLEVEL GROUND TAKES 62 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 42.04 N; THE SUN'S DECLINATION -9.4°TITLECitizen station KB1NHL, the sunSTATION REPORT · CWOP KB1NHLTYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 2 of 3DATE2026-10-17IDSR-KB1NHL-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A weather instrument, 463 ft above sea level. Its sensors, as its network builds them.

Elevation of the instrument, Citizen station KB1NHL, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT KB1NHLFIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE-PRECIPITATION GAUGE-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECitizen station KB1NHL, the instrumentSTATION REPORT · CWOP KB1NHLTYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 3 of 3DATE2026-10-17IDSR-KB1NHL-3DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Citizen station KB1NHL

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