Storm Station

In a volunteer observer's own ground

CWOP network, identified by the register

Identifier
GW4300
Latitude
39.10000 N
Longitude
76.47000 W
Elevation
28 ft
Rank
574of 725 in Maryland, Oct 11
Observed
2:15 AMEDT, 19 minutes ago
Pressure
30.3inHg
Precipitation this hour
0in
Precipitation today
0in

Ranking Statistics

On the radar over Citizen station GW4300ReflectivityStorm 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. 571 instruments in Maryland stand at one.

Station charts

Citizen station GW4300 Report

Rank 574 of 725 in Maryland, Oct 11. 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 score78.8of 100

Maryland median
87.9the median score of 725 stations
Scoring higher
571stations in Maryland
Sharing its score
4ranks 572 to 575
Points deducted
21.216.6 reports received, 4.2 continuity, 0.4 forecast check
Counted at the median
Forecast checknot measured at this station; Maryland median 95.7
Next above
DW3949rank 573; ahead on reports received 53.5% against 52.6%
Next below
EW5309rank 575; behind on reports received 52.6% against 50.2%

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 3552.618.4 of 35 pointsMaryland median 75.6259 of 492 scheduled reports received in 7 days
  2. Arrivalweight 10100.010.0 of 10 pointsMaryland median 88.8half its reports arrived within 18 s
  3. Continuityweight 1058.45.8 of 10 pointsMaryland median 94.8longest silence 3.8 h, on a schedule of one report every 20 min
  4. Accuracyweight 20100.020.0 of 20 pointsMaryland median 98.4its temperature against the airport station KW29, 11.4 miles away, over 226 readings: typical difference 2.4 °F beyond a steady offset of -2.0 °F
  5. Instrument checksweight 15100.015.0 of 15 pointsMaryland median 100.00 of 226 readings failed their check against its reference station
  6. Forecast checkweight 10-9.6 of 10 points, at the medianMaryland median 95.7-

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 (60 min), none for 72 (24 h)
Accuracy
Full marks within 2.6 °F of its reference, typically, none beyond 9.1 °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
574of 725 in Maryland, Oct 11
Time to reach Storm Station
19 s9 in 10 within 30 s
Against its reference, 30 days
-2.0 °Fcooler than the airport station KW29, 11 miles away, on average over 137 readings; typical difference 3.1 °F; also compared with 1 other reference station

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: 259 of 492 scheduled reports received, 52.6%.

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 725 ranked stations in Maryland on Oct 11 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, 36; 20 to 29 per cent, 14; 30 to 39 per cent, 15; 40 to 49 per cent, 57; 50 to 59 per cent, 94; 60 to 69 per cent, 86; 70 to 79 per cent, 60; 80 to 89 per cent, 37; 90 to 99 per cent, 211; 100 per cent, 111. Citizen station GW4300 received 52.6 per cent, 259 of 492 scheduled reports, rank 574 of 725.WHERE IT RANKS IN MARYLAND, Oct 11THIS ONE: 52.6%, 259 OF 492, RANK 574 OF 725PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9410 to 193620 to 291430 to 391540 to 495750 to 599460 to 698670 to 796080 to 893790 to 99211100111STATIONS, LOG SCALE
Chart of Citizen station GW4300's rank in Maryland by how it reported, day by day, from 2026-10-05 to 2026-10-11: 2026-10-05 rank 600 of 686; 2026-10-06 rank 568 of 702; 2026-10-07 rank 609 of 729; 2026-10-08 rank 609 of 731; 2026-10-09 rank 598 of 733; 2026-10-10 rank 599 of 733; 2026-10-11 rank 574 of 725.ITS RANK IN MARYLAND, DAY BY DAYRANK, FIRST AT THE TOP1200400600800Oct 5Oct 7Oct 9Oct 11
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%111
90 to 99%211
80 to 89%37
70 to 79%60
60 to 69%86
50 to 59%94
40 to 49%57
30 to 39%15
20 to 29%14
10 to 19%36
0 to 9%4
DayRankStations rankedShare received
Oct 11, 202657472552.6%
Oct 10, 202659973349.6%
Oct 9, 202659873349.5%
Oct 8, 202660973149.8%
Oct 7, 202660972952.6%
Oct 6, 202656870254.8%
Oct 5, 202660068642.6%

Station report

Citizen station GW4300, in 3 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 column

Contents

At 28 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.89 inHg and the temperature at 58.9 F; the station's altimeter setting of 30.30 inHg means its barometer reads 30.27 inHg.

Section from sea level of where Citizen station GW4300 stands in the atmosphere, height to scale: the station 28 feet above sea level with 0 per cent of the air below it; the standard atmosphere's pressure there, 29.89 inches of mercury, and temperature, 58.9 degrees Fahrenheit; the altimeter setting of 30.30 and the station pressure it means, 30.27.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW4300FIG. D WHERE CITIZEN STATION GW4300 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 GW43000 PER CENT OF THE AIR BELOW IT28 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 HERE29.89 inHgSTANDARD TEMPERATURE HERE58.9 FALTIMETER SETTING, REPORTED30.30 inHgITS BAROMETER READS30.27 inHgTITLECitizen station GW4300, the columnSTATION REPORT · CWOP GW4300TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 3DATE2026-10-11IDSR-GW4300-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 11 the noon sun stands 44 degrees above the horizon at 39.10 N, and the day is 11 h 13 min long. Level ground there takes 69 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Citizen station GW4300, angles true: on Oct 11 it stands 44 degrees above the horizon, against 74 at the June solstice, 51 at the equinoxes and 27 at the December solstice; the day is 11 h 13 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW4300FIG. E THE SUN AT CITIZEN STATION GW4300ELEVATION 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 74°EQUINOXES 51°DECEMBER SOLSTICE 27°OCT 11, 44°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 13 MINLEVEL GROUND TAKES 69 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 39.10 N; THE SUN'S DECLINATION -7.2°TITLECitizen station GW4300, the sunSTATION REPORT · CWOP GW4300TYPEELEVATIONSCALEANGLES TRUEREVAS REPORTED SHEET 2 of 3DATE2026-10-11IDSR-GW4300-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A weather instrument, 28 ft above sea level. Its latest report is written on the sensors that made it.

Elevation of the instrument, Citizen station GW4300, each sensor drawn and labelled with what it read: precipitation gauge, 0.00 in today.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT GW4300FIG. F THE INSTRUMENTELEVATION OF THE INSTRUMENT, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE-PRECIPITATION GAUGE0.00 IN TODAYSCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLECitizen station GW4300, the instrumentSTATION REPORT · CWOP GW4300TYPEELEVATIONSCALESCHEMATICREVAS REPORTED SHEET 3 of 3DATE2026-10-11IDSR-GW4300-3DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

Near Citizen station GW4300

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