Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
GRWN4
Latitude
39.37890 N
Longitude
75.35580 W
Elevation
-
Listed
Automatically, on 809 reports in 169 hours over the last seven days
Rank
468of 737 in New Jersey, Oct 16
Observed
1:03 AMEDT, 28 minutes ago
Air temperature
61.3F
What it feels like
61.3F
High so far today
61.3F
Low so far today
60.8F
Dew point
53.3F
Relative humidity
75%
Wind
6mph
Gust
8mph
Strongest wind today
9mph
Wind direction
140°

Ranking Statistics

On the radar over Cohansey River AT GreenwichReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

At a river or reservoir gauge

Drawn as the kind of place it stands at. 103 instruments in New Jersey stand at one.

Station charts

Cohansey River AT Greenwich Report

Rank 468 of 737 in New Jersey, 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 score92.9of 100

New Jersey median
95.7the median score of 737 stations
Scoring higher
467stations in New Jersey
Sharing its score
1no other station
Points deducted
7.12.3 arrival, 1.5 accuracy, 1.5 continuity, 1.3 reports received, 0.5 forecast check
Counted at the median
Forecast checknot measured at this station; New Jersey median 95.3
Next above
FWNrank 467; ahead on 247 score 93.3 against 92.9
Next below
SHBN4rank 469; behind on 247 score 92.9 against 92.8

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 3596.333.7 of 35 pointsNew Jersey median 98.8809 of 840 scheduled reports received in 7 days
  2. Arrivalweight 1076.87.7 of 10 pointsNew Jersey median 99.5half its reports arrived within 22 min
  3. Continuityweight 1085.58.6 of 10 pointsNew Jersey median 100.0longest silence 57 min, on a schedule of one report every 12 min
  4. Accuracyweight 2092.318.5 of 20 pointsNew Jersey median 98.6its temperature against the airport station KMIV, 14.9 miles away, over 653 readings: typical difference 3.5 °F beyond a steady offset of +1.6 °F
  5. Instrument checksweight 15100.015.0 of 15 pointsNew Jersey median 100.00 of 653 readings failed their check against its reference station
  6. Forecast checkweight 10-9.5 of 10 points, at the medianNew Jersey median 95.3-

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 (36 min), none for 72 (14.4 h)
Accuracy
Full marks within 3.0 °F of its reference, typically, none beyond 9.5 °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
468of 737 in New Jersey, Oct 16
Schedule
every 12 minon the hour's :03, :15, :30, :33, :45 and :57
Reports received, 24 hours
112 of 12093.3% of its schedule, 134 reports in all
Reports received, 7 days
810 of 84096.4% of its schedule, 977 reports in all
Days reported, 30 days
30 of 30
Longest silence, 7 days
57 minfrom Oct 14, 4:33 PM
Latest report
Oct 16, 1:03 AMlocal time
Time to reach Storm Station
22 min9 in 10 within 24 min
Against its reference, 30 days
+1.3 °Fwarmer than the airport station KMIV, 15 miles away, on average over 1,469 readings; typical difference 3.4 °F

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

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.

Its schedule is one report every 12 min, 120 in 24 hours. Two reports in the same 12 min count as one received.

Chart of the 737 ranked stations in New Jersey 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, 1; 10 to 19 per cent, 6; 20 to 29 per cent, 24; 30 to 39 per cent, 4; 40 to 49 per cent, 45; 50 to 59 per cent, 90; 60 to 69 per cent, 16; 70 to 79 per cent, 41; 80 to 89 per cent, 70; 90 to 99 per cent, 169; 100 per cent, 271. Cohansey River AT Greenwich received 96.3 per cent, 809 of 840 scheduled reports, rank 468 of 737.WHERE IT RANKS IN NEW JERSEY, Oct 16THIS ONE: 96.3%, 809 OF 840, RANK 468 OF 737PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9110 to 19620 to 292430 to 39440 to 494550 to 599060 to 691670 to 794180 to 897090 to 99169100271STATIONS, LOG SCALE
Chart of Cohansey River AT Greenwich's rank in New Jersey by how it reported, day by day, from 2026-09-26 to 2026-10-16: 2026-09-26 rank 213 of 240; 2026-09-27 rank 221 of 240; 2026-09-28 rank 233 of 266; 2026-09-29 rank 236 of 267; 2026-09-30 rank 241 of 268; 2026-10-01 rank 243 of 267; 2026-10-02 rank 406 of 471; 2026-10-03 rank 406 of 471; 2026-10-04 rank 412 of 491; 2026-10-05 rank 438 of 617; 2026-10-06 rank 437 of 641; 2026-10-07 rank 436 of 716; 2026-10-08 rank 429 of 725; 2026-10-09 rank 424 of 719; 2026-10-10 rank 427 of 719; 2026-10-11 rank 426 of 717; 2026-10-12 rank 477 of 721; 2026-10-13 rank 458 of 724; 2026-10-14 rank 456 of 727; 2026-10-15 rank 462 of 730; 2026-10-16 rank 468 of 737.ITS RANK IN NEW JERSEY, DAY BY DAYRANK, FIRST AT THE TOP1200400600Sep 26Sep 30Oct 4Oct 8Oct 12Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%271
90 to 99%169
80 to 89%70
70 to 79%41
60 to 69%16
50 to 59%90
40 to 49%45
30 to 39%4
20 to 29%24
10 to 19%6
0 to 9%1
DayRankStations rankedShare received
Oct 16, 202646873796.3%
Oct 15, 202646273096.0%
Oct 14, 202645672793.3%
Oct 13, 202645872489.7%
Oct 12, 202647772185.7%
Oct 11, 202642671781.5%
Oct 10, 202642771977.9%
Oct 9, 202642471977.7%
Oct 8, 202642972571.4%
Oct 7, 202643671672.1%
Oct 6, 202643764172.3%
Oct 5, 202643861773.0%
Oct 4, 202641249174.5%
Oct 3, 202640647175.5%
Oct 2, 202640647175.4%
Oct 1, 202624326769.4%
Sep 30, 202624126870.7%
Sep 29, 202623626771.7%
Sep 28, 202623326677.9%
Sep 27, 202622124070.5%
Sep 26, 202621324082.0%
Temperature and Dew point at Cohansey River AT Greenwich, temperature from 59.8 to 71.2, the latest 61.3; dew point from 52.8 to 53.4, the latest 53.4, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF5055606570753 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16TEMPERATUREDEW POINT
Relative humidity at Cohansey River AT Greenwich, relative humidity from 75 to 75, the latest 75, in per cent.RELATIVE HUMIDITY%74.474.674.87575.23 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Wind and Gust at Cohansey River AT Greenwich, wind from 4 to 14, the latest 6; gust from 9 to 12, the latest 9, in miles an hour.WIND AND GUSTmph2.557.51012.5153 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16WINDGUST
Wind direction at Cohansey River AT Greenwich, wind direction from 39 to 212, the latest 127, in degrees.WIND DIRECTION°0901802703603 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
Reports received at Cohansey River AT Greenwich, reports from 0.0 to 19.0, the latest 4.0, in reports.REPORTS RECEIVEDreports051015203 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 16
The readings these charts were drawn from, as a table
HourTemperature FDew point FRelative humidity %Wind mphGust mphWind direction °Reports
Fri 16, 1 AM61.353.475691274
Fri 16, 12 AM60.952.87571214719
Thu 15, 7 PM61.1--4-11710
Thu 15, 6 PM62.1--6-14610
Thu 15, 5 PM63.1--9-14810
Thu 15, 4 PM64.4--9-17110
Thu 15, 3 PM65.6--6-21210
Thu 15, 2 PM66.3--5-20410
Thu 15, 1 PM65.5--7-8410
Thu 15, 12 PM64.8--8-14010
Thu 15, 11 AM63.7--9-6910
Thu 15, 10 AM62.3--11-7110
Thu 15, 9 AM60.9--11-6810
Thu 15, 8 AM59.8--10-5510
Thu 15, 7 AM60.1--12-4410
Thu 15, 6 AM61.7--14-5410
Thu 15, 5 AM63.9--13-4910
Thu 15, 4 AM65.9--12-4410
Thu 15, 3 AM68.5--14-4810
Thu 15, 2 AM71.2--7-3910
Temperature and Dew point at Cohansey River AT Greenwich, temperature from 50.7 to 83.4, the latest 61.3; dew point from 52.8 to 53.4, the latest 53.4, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF5060708090Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16TEMPERATUREDEW POINT
Relative humidity at Cohansey River AT Greenwich, relative humidity from 75 to 75, the latest 75, in per cent.RELATIVE HUMIDITY%74.474.674.87575.2Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Wind and Gust at Cohansey River AT Greenwich, wind from 1 to 18, the latest 6; gust from 9 to 12, the latest 9, in miles an hour.WIND AND GUSTmph05101520Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16WINDGUST
Wind direction at Cohansey River AT Greenwich, wind direction from 0 to 353, the latest 127, in degrees.WIND DIRECTION°090180270360Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
Reports received at Cohansey River AT Greenwich, reports from 0.0 to 19.0, the latest 4.0, in reports.REPORTS RECEIVEDreports05101520Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16
The readings these charts were drawn from, as a table
HourTemperature FDew point FRelative humidity %Wind mphGust mphWind direction °Reports
Fri 16, 1 AM61.353.475691274
Fri 16, 12 AM60.952.87571214719
Thu 15, 7 PM61.1--4-11710
Thu 15, 6 PM62.1--6-14610
Thu 15, 5 PM63.1--9-14810
Thu 15, 4 PM64.4--9-17110
Thu 15, 3 PM65.6--6-21210
Thu 15, 2 PM66.3--5-20410
Thu 15, 1 PM65.5--7-8410
Thu 15, 12 PM64.8--8-14010
Thu 15, 11 AM63.7--9-6910
Thu 15, 10 AM62.3--11-7110
Thu 15, 9 AM60.9--11-6810
Thu 15, 8 AM59.8--10-5510
Thu 15, 7 AM60.1--12-4410
Thu 15, 6 AM61.7--14-5410
Thu 15, 5 AM63.9--13-4910
Thu 15, 4 AM65.9--12-4410
Thu 15, 3 AM68.5--14-4810
Thu 15, 2 AM71.2--7-3910
Thu 15, 1 AM71.7--2-1210
Thu 15, 12 AM72.7--2-35310
Wed 14, 11 PM73.2--2-34210
Wed 14, 10 PM72.9--1-34010
Wed 14, 9 PM73.5--1-1010
Wed 14, 8 PM75.0--1-13310
Wed 14, 7 PM76.8--2-2210
Wed 14, 6 PM79.1--2-010
Wed 14, 5 PM81.9--3-35110
Wed 14, 4 PM82.9--5-30510
Wed 14, 3 PM82.7--5-28710
Wed 14, 2 PM83.4--5-28510
Wed 14, 1 PM81.7--7-28310
Wed 14, 12 PM80.2--7-30910
Wed 14, 11 AM78.5--5-26410
Wed 14, 10 AM75.4--5-26210
Wed 14, 9 AM72.1--4-26110
Wed 14, 8 AM68.5--3-22310
Wed 14, 7 AM65.7--2-18010
Wed 14, 6 AM66.3--2-29710
Wed 14, 5 AM66.9--2-26610
Wed 14, 4 AM67.5--2-28110
Wed 14, 3 AM68.0--3-28710
Wed 14, 2 AM68.1--4-27710
Wed 14, 1 AM68.0--4-26010
Wed 14, 12 AM66.3--2-23310
Tue 13, 11 PM66.4--3-19210
Tue 13, 10 PM67.2--2-16810
Tue 13, 9 PM67.1--3-21310
Tue 13, 8 PM67.4--3-22110
Tue 13, 7 PM68.7--4-21410
Tue 13, 6 PM70.0--4-23210
Tue 13, 5 PM71.8--8-18910
Tue 13, 4 PM72.6--11-18110
Tue 13, 3 PM73.5--11-18310
Tue 13, 2 PM73.5--10-17710
Tue 13, 1 PM72.1--9-18910
Tue 13, 12 PM71.9--9-18610
Tue 13, 11 AM71.3--5-20010
Tue 13, 10 AM68.4--3-26510
Tue 13, 9 AM65.5--3-28310
Tue 13, 8 AM62.6--1-28910
Tue 13, 7 AM57.0--2-1310
Tue 13, 6 AM58.2--1-2010
Tue 13, 5 AM58.1--1-29810
Tue 13, 4 AM58.1--2-1410
Tue 13, 3 AM58.9--1-010
Tue 13, 2 AM59.7--1-1310
Tue 13, 1 AM61.1--1-6310
Tue 13, 12 AM62.2--1-33210
Mon 12, 11 PM62.6--1-27010
Mon 12, 10 PM63.3--2-28110
Mon 12, 9 PM64.6--3-31010
Mon 12, 8 PM66.3--5-33810
Mon 12, 7 PM67.0--4-34010
Mon 12, 6 PM69.2--5-33410
Mon 12, 5 PM71.8--6-33410
Mon 12, 4 PM72.2--7-35110
Mon 12, 3 PM71.4--7-32010
Mon 12, 2 PM71.1--7-33910
Mon 12, 1 PM68.6--8-010
Mon 12, 12 PM65.5--11-1310
Mon 12, 11 AM61.9--9-1110
Mon 12, 10 AM58.9--9-1810
Mon 12, 9 AM57.2--9-1910
Mon 12, 8 AM55.9--9-110
Mon 12, 7 AM55.6--7-310
Mon 12, 6 AM55.6--8-2010
Mon 12, 5 AM56.1--10-2410
Mon 12, 4 AM56.7--13-4410
Mon 12, 3 AM57.5--12-4610
Mon 12, 2 AM59.3--12-4510
Mon 12, 1 AM60.1--14-6010
Mon 12, 12 AM60.9--11-5610
Sun 11, 11 PM61.7--9-5410
Sun 11, 10 PM62.1--9-6410
Sun 11, 9 PM63.0--10-7210
Sun 11, 8 PM64.9--8-7110
Sun 11, 7 PM66.0--6-7810
Sun 11, 6 PM66.4--5-8210
Sun 11, 5 PM67.3--5-6510
Sun 11, 4 PM67.1--7-11510
Sun 11, 3 PM66.1--13-12410
Sun 11, 2 PM65.7--16-11910
Sun 11, 1 PM65.2--18-11710
Sun 11, 12 PM65.0--18-11010
Sun 11, 11 AM64.5--17-11210
Sun 11, 10 AM64.2--15-10910
Sun 11, 9 AM62.9--13-11510
Sun 11, 8 AM61.8--11-9410
Sun 11, 7 AM61.8--12-9910
Sun 11, 6 AM62.5--12-9210
Sun 11, 5 AM62.6--11-9310
Sun 11, 4 AM62.6--10-9210
Sun 11, 3 AM62.0--10-9210
Sun 11, 2 AM61.5--8-9010
Sun 11, 1 AM61.7--8-9510
Sun 11, 12 AM61.8--7-9710
Sat 10, 11 PM62.0--7-7610
Sat 10, 10 PM62.5--7-7810
Sat 10, 9 PM62.7--8-10510
Sat 10, 8 PM63.0--8-9910
Sat 10, 7 PM63.6--7-11010
Sat 10, 6 PM65.2--5-10310
Sat 10, 5 PM67.9--8-13410
Sat 10, 4 PM69.3--9-13810
Sat 10, 3 PM70.2--9-13610
Sat 10, 2 PM69.9--10-13810
Sat 10, 1 PM69.5--10-10210
Sat 10, 12 PM68.8--11-11010
Sat 10, 11 AM66.9--10-1149
Sat 10, 10 AM64.1--8-11010
Sat 10, 9 AM59.9--7-8710
Sat 10, 8 AM55.8--5-7410
Sat 10, 7 AM55.1--5-6410
Sat 10, 6 AM55.4--4-5910
Sat 10, 5 AM54.1--3-6510
Sat 10, 4 AM53.3--2-4610
Sat 10, 3 AM54.6--3-4610
Sat 10, 2 AM55.4--2-10410
Sat 10, 1 AM56.3--2-1010
Sat 10, 12 AM57.5--1-310
Fri 9, 11 PM58.3--2-2710
Fri 9, 10 PM59.2--2-2010
Fri 9, 9 PM60.2--1-34010
Fri 9, 8 PM61.5--2-010
Fri 9, 7 PM63.9--2-6410
Fri 9, 6 PM67.8--2-32010
Fri 9, 5 PM70.7--2-31810
Fri 9, 4 PM72.6--4-29710
Fri 9, 3 PM73.3--7-31610
Fri 9, 2 PM73.3--7-30010
Fri 9, 1 PM72.2--6-28510
Fri 9, 12 PM70.2--5-30210
Fri 9, 11 AM68.8--4-29810
Fri 9, 10 AM66.0--3-30810
Fri 9, 9 AM61.4--3-31210
Fri 9, 8 AM55.1--2-010
Fri 9, 7 AM50.7--3-1810
Fri 9, 6 AM51.0--2-2210
Fri 9, 5 AM52.9--1-2610
Fri 9, 4 AM53.4--2-4610
Fri 9, 3 AM56.5--2-1610
Fri 9, 2 AM56.3--2-34410
High and Low at Cohansey River AT Greenwich, high from 61.3 to 85.2, the latest 61.3; low from 46.5 to 70.5, the latest 60.8, in degrees Fahrenheit.HIGH AND LOWF405060708090Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12HIGHLOW
Highest dew point and Lowest dew point at Cohansey River AT Greenwich, highest dew point from 44.5 to 69.9, the latest 53.4; lowest dew point from 34.5 to 63.3, the latest 52.4, in degrees Fahrenheit.HIGHEST DEW POINT AND LOWEST DEW POINTF3040506070Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12HIGHEST DEW POINTLOWEST DEW POINT
Highest humidity and Lowest humidity at Cohansey River AT Greenwich, highest humidity from 64 to 89, the latest 75; lowest humidity from 29 to 81, the latest 74, in per cent.HIGHEST HUMIDITY AND LOWEST HUMIDITY%20406080100Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12HIGHEST HUMIDITYLOWEST HUMIDITY
Strongest gust at Cohansey River AT Greenwich, strongest gust from 10 to 46, the latest 12, in miles an hour.STRONGEST GUSTmph1020304050Sep 17Sep 22Sep 27Oct 2Oct 7Oct 12
The readings these charts were drawn from, as a table
DayHigh FLow FHighest dew point FLowest dew point FHighest humidity %Lowest humidity %Strongest gust mph
Oct 1661.360.853.452.4757412
Oct 1573.059.565.247.2775425
Oct 1484.365.665.559.5825118
Oct 1374.456.162.051.9875917
Oct 1272.855.561.451.8886227
Oct 1167.661.564.153.9897629
Oct 1070.353.054.242.6823718
Oct 973.549.853.243.1823414
Oct 877.557.557.141.9792920
Oct 766.046.554.141.1854624
Oct 662.647.444.534.5773720
Oct 571.256.158.742.9874025
Oct 463.158.257.554.1867621
Oct 368.959.962.751.9816926
Oct 285.264.766.659.7854825
Oct 179.163.866.359.5876415
Sep 3072.560.663.755.7866910
Sep 2973.061.760.255.8856017
Sep 2866.959.760.156.2887815
Sep 2763.357.258.652.9888133
Sep 2667.655.954.439.3843646
Sep 2569.955.944.938.6643335
Sep 2463.553.049.744.5755531
Sep 2366.955.455.346.0855435
Sep 2263.358.857.753.2867925
Sep 2173.463.168.157.0857122
Sep 2080.470.569.062.7836425
Sep 1975.064.060.654.0775824
Sep 1882.469.969.958.9865320
Sep 1778.669.969.063.3826618

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 Cohansey River AT Greenwich

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