Storm Station
Sign in

At a river or reservoir gauge

DCP network, identified by the register

Identifier
01603000
Latitude
39.62181 N
Longitude
78.77342 W
Elevation
584 ft
Rank
150of 736 in Maryland, Oct 16
Observed
1:15 AMEDT, 1 hour ago
Precipitation in the gauge's latest reading
0in

Ranking Statistics

On the radar over North Branch Potomac River Near CumberlandReflectivityStorm 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

North Branch Potomac River Near Cumberland Report

Rank 150 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 score97.4of 100

Maryland median
89.0the median score of 736 stations
Scoring higher
149stations in Maryland
Sharing its score
8ranks 150 to 157
Points deducted
2.61.6 arrival, 0.8 forecast check, 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
391328077185901rank 149; ahead on 247 score 97.5 against 97.4
Next below
CLAM2rank 152; behind on median arrival 17 min 57 s against 17 min 58 s
Sharing its rank
1other stations, equal on every measure

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 1084.18.4 of 10 pointsMaryland median 94.0half its reports arrived within 18 min
  3. Continuityweight 10100.010.0 of 10 pointsMaryland median 100.0longest silence 75 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
150of 736 in Maryland, Oct 16
Schedule
every houron the hour's :15
Reports received, 24 hours
24 of 24100% of its schedule, 25 reports in all
Reports received, 7 days
168 of 168100% of its schedule, 173 reports in all
Days reported, 30 days
-
Longest silence, 7 days
75 minfrom Oct 15, 7:15 PM
Latest report
Oct 16, 5:15 AMlocal time
Time to reach Storm Station
18 min9 in 10 within 38 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. North Branch Potomac River Near Cumberland received 100.0 per cent, 168 of 168 scheduled reports, rank 150 of 736.WHERE IT RANKS IN MARYLAND, Oct 16THIS ONE: 100.0%, 168 OF 168, RANK 150 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 North Branch Potomac River Near Cumberland's rank in Maryland by how it reported, day by day, from 2026-10-07 to 2026-10-16: 2026-10-07 rank 663 of 729; 2026-10-08 rank 654 of 731; 2026-10-09 rank 442 of 733; 2026-10-10 rank 438 of 733; 2026-10-11 rank 370 of 725; 2026-10-12 rank 319 of 728; 2026-10-13 rank 127 of 726; 2026-10-14 rank 127 of 727; 2026-10-15 rank 139 of 723; 2026-10-16 rank 150 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, 2026150736100.0%
Oct 15, 2026139723100.0%
Oct 14, 2026127727100.0%
Oct 13, 2026127726100.0%
Oct 12, 202631972886.3%
Oct 11, 202637072572.0%
Oct 10, 202643873357.7%
Oct 9, 202644273357.1%
Oct 8, 202665473129.1%
Oct 7, 202666372914.8%

Station report

North Branch Potomac River Near Cumberland, 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 584 ft above sea level, 2 per cent of the atmosphere's air lies below the station. The standard atmosphere puts the pressure there at 29.30 inHg and the temperature at 56.9 F.

Section from sea level of where North Branch Potomac River Near Cumberland stands in the atmosphere, height to scale: the station 584 feet above sea level with 2 per cent of the air below it; the standard atmosphere's pressure there, 29.30 inches of mercury, and temperature, 56.9 degrees Fahrenheit.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 01603000FIG. D WHERE NORTH BRANCH POTOMAC RIVER NEAR CUMBERLAND 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 ATMOSPHERENORTH BRANCH POTOMAC RIVER NEAR CUMBERLAND2 PER CENT OF THE AIR BELOW IT584 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 HERE29.30 inHgSTANDARD TEMPERATURE HERE56.9 FTITLENorth Branch Potomac River Near Cumberland, the columnSTATION REPORT · DCP 01603000TYPESECTIONSCALEHEIGHT TO SCALEREVFROM THE REGISTER SHEET 1 of 3DATE2026-10-16IDSR-01603000-1DRAWN 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 39.62 N, and the day is 10 h 59 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 North Branch Potomac River Near Cumberland, angles true: on Oct 16 it stands 41 degrees above the horizon, against 74 at the June solstice, 50 at the equinoxes and 27 at the December solstice; the day is 10 h 59 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 01603000FIG. E THE SUN AT NORTH BRANCH POTOMAC RIVER NEAR CUMBERLANDELEVATION 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 50°DECEMBER SOLSTICE 27°OCT 16, 41°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 10 H 59 MINLEVEL GROUND TAKES 66 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 39.62 N; THE SUN'S DECLINATION -9.1°TITLENorth Branch Potomac River Near Cumberland, the sunSTATION REPORT · DCP 01603000TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 2 of 3DATE2026-10-16IDSR-01603000-2DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

3The instrument

Contents

A data collection platform, 584 ft above sea level. Its sensors, as its network builds them.

Elevation of a data collection platform, North Branch Potomac River Near Cumberland, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 01603000FIG. 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 SCALETITLENorth Branch Potomac River Near Cumberland, the instrumentSTATION REPORT · DCP 01603000TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 3 of 3DATE2026-10-16IDSR-01603000-3DRAWN 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

What this instrument measures for

1 place reads it as one of the nearest to it.

Near North Branch Potomac River Near Cumberland

Gauges

Weather instruments

Places