Storm Station
Sign in

At a river or reservoir gauge

DCP network, identified by the register

Identifier
392913076203601
Latitude
39.48683 N
Longitude
76.34347 W
Elevation
135 ft
Rank
77of 736 in Maryland, Oct 16
Observed
11:40 PMEDT, 57 minutes ago
Precipitation in the gauge's latest reading
0in

Ranking Statistics

On the radar over Rain Gage in Winters Run Basin near Bel AirReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a river or reservoir gauge

Drawn as the kind of place it stands at. 33 instruments in Maryland stand at one.

Station charts

Rain Gage in Winters Run Basin near Bel Air Report

Rank 77 of 736 in Maryland, 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 score98.5of 100

Maryland median
89.0the median score of 736 stations
Scoring higher
75stations in Maryland
Sharing its score
12ranks 76 to 87
Points deducted
1.50.8 forecast check, 0.6 arrival, 0.2 accuracy
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Maryland median 99.0, 100.0, 92.1
Next above
GAIrank 76; ahead on median arrival 10 min 34 s against 12 min 48 s
Next below
01597490rank 78; behind on longest silence 60 min against 63 min

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 35100.035.0 of 35 pointsMaryland median 82.1168 of 168 scheduled reports received in 7 days
  2. Arrivalweight 1094.49.4 of 10 pointsMaryland median 94.0half its reports arrived within 13 min
  3. Continuityweight 10100.010.0 of 10 pointsMaryland median 100.0longest silence 60 min, on a schedule of one report every 60 min
  4. Accuracyweight 20-19.8 of 20 points, at the medianMaryland median 99.0-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianMaryland median 100.0-
  6. Forecast checkweight 10-9.2 of 10 points, at the medianMaryland median 92.1-

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 (3 h), none for 72 (72 h)
Accuracy
Full marks within 1.5 °F of its reference, typically, none beyond 8.0 °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
77of 736 in Maryland, Oct 16
Schedule
every houron the hour's :40
Reports received, 24 hours
24 of 24100% of its schedule
Reports received, 7 days
168 of 168100% of its schedule, 175 reports in all
Days reported, 30 days
-
Longest silence, 7 days
1 hourfrom Oct 9, 4:40 AM
Latest report
Oct 16, 3:40 AMlocal time
Time to reach Storm Station
13 min9 in 10 within 13 min

From Storm Station's own record of every report it heard from this station.

Its schedule is one report every hour, 24 in 24 hours. Two reports in the same hour count as one received.

Chart of the 736 ranked stations in Maryland 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, 4; 10 to 19 per cent, 20; 20 to 29 per cent, 27; 30 to 39 per cent, 11; 40 to 49 per cent, 62; 50 to 59 per cent, 96; 60 to 69 per cent, 107; 70 to 79 per cent, 36; 80 to 89 per cent, 35; 90 to 99 per cent, 183; 100 per cent, 155. Rain Gage in Winters Run Basin near Bel Air received 100.0 per cent, 168 of 168 scheduled reports, rank 77 of 736.WHERE IT RANKS IN MARYLAND, Oct 16THIS ONE: 100.0%, 168 OF 168, RANK 77 OF 736PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9410 to 192020 to 292730 to 391140 to 496250 to 599660 to 6910770 to 793680 to 893590 to 99183100155STATIONS, LOG SCALE
Chart of Rain Gage in Winters Run Basin near Bel Air's rank in Maryland by how it reported, day by day, from 2026-10-07 to 2026-10-16: 2026-10-07 rank 659 of 729; 2026-10-08 rank 638 of 731; 2026-10-09 rank 419 of 733; 2026-10-10 rank 418 of 733; 2026-10-11 rank 355 of 725; 2026-10-12 rank 284 of 728; 2026-10-13 rank 78 of 726; 2026-10-14 rank 70 of 727; 2026-10-15 rank 74 of 723; 2026-10-16 rank 77 of 736.ITS RANK IN MARYLAND, DAY BY DAYRANK, FIRST AT THE TOP1200400600800Oct 7Oct 9Oct 11Oct 13Oct 15Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%155
90 to 99%183
80 to 89%35
70 to 79%36
60 to 69%107
50 to 59%96
40 to 49%62
30 to 39%11
20 to 29%27
10 to 19%20
0 to 9%4
DayRankStations rankedShare received
Oct 16, 202677736100.0%
Oct 15, 202674723100.0%
Oct 14, 202670727100.0%
Oct 13, 202678726100.0%
Oct 12, 202628472885.7%
Oct 11, 202635572571.4%
Oct 10, 202641873357.1%
Oct 9, 202641973357.1%
Oct 8, 202663873128.5%
Oct 7, 202665972914.2%

Station report

Rain Gage in Winters Run Basin near Bel Air, 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 135 ft above sea level, 0 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.78 inHg and the temperature at 58.5 F.

Section from sea level of where Rain Gage in Winters Run Basin near Bel Air stands in the atmosphere, height to scale: the station 135 feet above sea level with 0 per cent of the air below it; the standard atmosphere's pressure there, 29.78 inches of mercury, and temperature, 58.5 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 392913076203601FIG. D WHERE RAIN GAGE IN WINTERS RUN BASIN NEAR BEL AIR 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 ATMOSPHERERAIN GAGE IN WINTERS RUN BASIN NEAR BEL AIR0 PER CENT OF THE AIR BELOW IT135 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 HERE29.78 inHgSTANDARD TEMPERATURE HERE58.5 FTITLERain Gage in Winters Run Basin near Bel Air, the columnSTATION REPORT · DCP 392913076203601TYPESECTIONSCALEHEIGHT TO SCALEREVFROM THE REGISTER SHEET 1 of 3DATE2026-10-16IDSR-392913076203601-1DRAWN AS linework on paperSOURCES FB-ENG-001, FB-ENG-003

From the Field Book

2The sun

Contents

On Oct 16 the noon sun stands 41 degrees above the horizon at 39.49 N, and the day is 10 h 60 min long. Level ground there takes 66 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at Rain Gage in Winters Run Basin near Bel Air, angles true: on Oct 16 it stands 41 degrees above the horizon, against 74 at the June solstice, 51 at the equinoxes and 27 at the December solstice; the day is 10 h 60 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 392913076203601FIG. E THE SUN AT RAIN GAGE IN WINTERS RUN BASIN NEAR BEL AIRELEVATION 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 16, 41°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 60 MINLEVEL GROUND TAKES 66 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 39.49 N; THE SUN'S DECLINATION -9.1°TITLERain Gage in Winters Run Basin near Bel Air, the sunSTATION REPORT · DCP 392913076203601TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 2 of 3DATE2026-10-16IDSR-392913076203601-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A data collection platform, 135 ft above sea level. Its sensors, as its network builds them.

Elevation of a data collection platform, Rain Gage in Winters Run Basin near Bel Air, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 392913076203601FIG. F THE INSTRUMENTELEVATION OF A DATA COLLECTION PLATFORM, EACH SENSOR WITH WHAT IT READANTENNA, SENDING BY SATELLITE-AIR TEMPERATURE-PRECIPITATION GAUGE-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLERain Gage in Winters Run Basin near Bel Air, the instrumentSTATION REPORT · DCP 392913076203601TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 3 of 3DATE2026-10-16IDSR-392913076203601-3DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

The instrumentWhat an instrument is FB-INS-001

What it seesMoon and tides FB-CLK-003Hurricane FB-EVT-043Nor'easter FB-EVT-066Flash flood FB-EVT-100Coastal flood FB-EVT-105

Near Rain Gage in Winters Run Basin near Bel Air

Gauges

Weather instruments

Places