Storm Station

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 626 reports in 169 hours over the last seven days
Rank
412of 491 in New Jersey, Oct 4
Air temperature
61.8F
What it feels like
61.8F
High so far today
62.7F
Low so far today
60.8F
Dew point
56.5F
Relative humidity
83%
Wind
9mph
Gust
14mph
Strongest wind today
12mph
Wind direction
76°

At a river or reservoir gauge

Drawn as the kind of place it stands at. 23 instruments in New Jersey stand at one.

Station charts

Cohansey River AT Greenwich Report

Rank 412 of 491 in New Jersey, Oct 4. 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.

247 score88.1of 100

  1. Reports receivedweight 3574.5626 of 840 scheduled reports received in 7 days
  2. Arrivalweight 1077.3half its reports arrived within 21 min
  3. Continuityweight 1093.0longest silence 45 min, on a schedule of one report every 12 min
  4. Accuracyweight 20100.0its temperature against the airport station KMIV, 14.9 miles away, over 427 readings: typical difference 1.9 °F beyond a steady offset of +0.3 °F
  5. Instrument checksweight 15100.00 of 427 readings failed their check against its reference station
  6. Forecast checkweight 10--

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.

Rank
412of 491 in New Jersey, Oct 4
Schedule
every 12 min
Reports received, 24 hours
87 of 12072.5% of its schedule, 113 reports in all
Reports received, 7 days
617 of 84073.4% of its schedule, 795 reports in all
Days reported, 30 days
30 of 30
Longest silence, 7 days
45 minfrom Sep 27, 2:45 PM
Latest report
Oct 4, 11:09 AMlocal time
Time to reach Storm Station
21 min9 in 10 within 26 min
Against its reference, 30 days
+0.3 °Fwarmer than the airport station KMIV, 15 miles away, on average over 477 readings; typical difference 1.8 °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 491 ranked stations in New Jersey on Oct 4 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, 3; 10 to 19 per cent, 0; 20 to 29 per cent, 0; 30 to 39 per cent, 12; 40 to 49 per cent, 3; 50 to 59 per cent, 3; 60 to 69 per cent, 65; 70 to 79 per cent, 19; 80 to 89 per cent, 19; 90 to 99 per cent, 152; 100 per cent, 215. Cohansey River AT Greenwich received 74.5 per cent, 626 of 840 scheduled reports, rank 412 of 491.WHERE IT RANKS IN NEW JERSEY, Oct 4THIS ONE: 74.5%, 626 OF 840, RANK 412 OF 491PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9310 to 1920 to 2930 to 391240 to 49350 to 59360 to 696570 to 791980 to 891990 to 99152100215STATIONS, 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 2026-10-04: 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.ITS RANK IN NEW JERSEY, DAY BY DAYRANK, FIRST AT THE TOP1200400600Sep 26Sep 28Sep 30Oct 2Oct 4
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%215
90 to 99%152
80 to 89%19
70 to 79%19
60 to 69%65
50 to 59%3
40 to 49%3
30 to 39%12
20 to 29%0
10 to 19%0
0 to 9%3
DayRankStations rankedShare received
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 60.9 to 65.3, the latest 61.8; dew point from 54.8 to 56.6, the latest 56.6, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF505560657012 PM3 PM6 PM9 PMOct 43 AM6 AM9 AMTEMPERATUREDEW POINT
Relative humidity at Cohansey River AT Greenwich, relative humidity from 76 to 83, the latest 83, in per cent.RELATIVE HUMIDITY%767880828412 PM3 PM6 PM9 PMOct 43 AM6 AM9 AM
Wind and Gust at Cohansey River AT Greenwich, wind from 4 to 11, the latest 9; gust from 8 to 18, the latest 15, in miles an hour.WIND AND GUSTmph0510152012 PM3 PM6 PM9 PMOct 43 AM6 AM9 AMWINDGUST
Wind direction at Cohansey River AT Greenwich, wind direction from 31 to 81, the latest 76, in degrees.WIND DIRECTION°09018027036012 PM3 PM6 PM9 PMOct 43 AM6 AM9 AM
Reports received at Cohansey River AT Greenwich, reports from 0.0 to 21.0, the latest 8.0, in reports.REPORTS RECEIVEDreports010203012 PM3 PM6 PM9 PMOct 43 AM6 AM9 AM
The readings these charts were drawn from, as a table
HourTemperature FDew point FRelative humidity %Wind mphGust mphWind direction °Reports
Sun 4, 11 AM61.856.683915768
Sun 4, 10 AM61.856.18211187120
Sun 4, 9 AM61.255.68210177420
Sun 4, 8 AM60.954.9818135620
Sun 4, 7 AM61.854.8786106620
Sun 4, 6 AM62.555.0768138020
Sun 4, 5 AM62.555.0768126120
Sun 4, 4 AM62.455.077794317
Sun 4, 3 AM62.555.1777116121
Sun 4, 2 AM62.655.377685020
Sun 4, 1 AM62.355.278486020
Sun 4, 12 AM62.055.0786118115
Sat 3, 7 PM64.1--7-7710
Sat 3, 6 PM64.7--8-7310
Sat 3, 5 PM65.3--7-7210
Sat 3, 4 PM65.3--7-7910
Sat 3, 3 PM64.7--8-6110
Sat 3, 2 PM63.7--9-5510
Sat 3, 1 PM62.7--5-4910
Sat 3, 12 PM61.5--7-3110
Temperature and Dew point at Cohansey River AT Greenwich, temperature from 59.6 to 84.6, the latest 61.8; dew point from 54.8 to 56.6, the latest 56.6, in degrees Fahrenheit.TEMPERATURE AND DEW POINTF5060708090Mon 28Tue 29Wed 30Thu 1Fri 2Sat 3Sun 4TEMPERATUREDEW POINT
Relative humidity at Cohansey River AT Greenwich, relative humidity from 76 to 83, the latest 83, in per cent.RELATIVE HUMIDITY%7678808284Mon 28Tue 29Wed 30Thu 1Fri 2Sat 3Sun 4
Wind and Gust at Cohansey River AT Greenwich, wind from 1 to 17, the latest 9; gust from 8 to 18, the latest 15, in miles an hour.WIND AND GUSTmph05101520Mon 28Tue 29Wed 30Thu 1Fri 2Sat 3Sun 4WINDGUST
Wind direction at Cohansey River AT Greenwich, wind direction from 0 to 356, the latest 76, in degrees.WIND DIRECTION°090180270360Mon 28Tue 29Wed 30Thu 1Fri 2Sat 3Sun 4
Reports received at Cohansey River AT Greenwich, reports from 0.0 to 21.0, the latest 8.0, in reports.REPORTS RECEIVEDreports0102030Mon 28Tue 29Wed 30Thu 1Fri 2Sat 3Sun 4
The readings these charts were drawn from, as a table
HourTemperature FDew point FRelative humidity %Wind mphGust mphWind direction °Reports
Sun 4, 11 AM61.856.683915768
Sun 4, 10 AM61.856.18211187120
Sun 4, 9 AM61.255.68210177420
Sun 4, 8 AM60.954.9818135620
Sun 4, 7 AM61.854.8786106620
Sun 4, 6 AM62.555.0768138020
Sun 4, 5 AM62.555.0768126120
Sun 4, 4 AM62.455.077794317
Sun 4, 3 AM62.555.1777116121
Sun 4, 2 AM62.655.377685020
Sun 4, 1 AM62.355.278486020
Sun 4, 12 AM62.055.0786118115
Sat 3, 7 PM64.1--7-7710
Sat 3, 6 PM64.7--8-7310
Sat 3, 5 PM65.3--7-7210
Sat 3, 4 PM65.3--7-7910
Sat 3, 3 PM64.7--8-6110
Sat 3, 2 PM63.7--9-5510
Sat 3, 1 PM62.7--5-4910
Sat 3, 12 PM61.5--7-3110
Sat 3, 11 AM61.5--7-4010
Sat 3, 10 AM61.3--6-3610
Sat 3, 9 AM60.5--6-3110
Sat 3, 8 AM59.9--6-2210
Sat 3, 7 AM60.2--4-1410
Sat 3, 6 AM61.4--5-1410
Sat 3, 5 AM62.2--5-2010
Sat 3, 4 AM62.8--7-1710
Sat 3, 3 AM64.4--8-239
Sat 3, 2 AM65.6--7-810
Sat 3, 1 AM67.1--9-1310
Sat 3, 12 AM68.4--7-2610
Fri 2, 11 PM70.2--6-2010
Fri 2, 10 PM71.8--3-34310
Fri 2, 9 PM71.6--2-27710
Fri 2, 8 PM72.0--4-2210
Fri 2, 7 PM75.8--7-35310
Fri 2, 6 PM78.4--6-24010
Fri 2, 5 PM82.9--4-23910
Fri 2, 4 PM84.6--4-28210
Fri 2, 3 PM81.7--4-23610
Fri 2, 2 PM81.6--6-21610
Fri 2, 1 PM80.8--6-20810
Fri 2, 12 PM79.2--5-19910
Fri 2, 11 AM77.3--5-21310
Fri 2, 10 AM74.5--6-21910
Fri 2, 9 AM71.0--5-26110
Fri 2, 8 AM68.6--5-23510
Fri 2, 7 AM66.3--3-23810
Fri 2, 6 AM66.1--2-19110
Fri 2, 5 AM66.9--4-24910
Fri 2, 4 AM65.3--4-23810
Fri 2, 3 AM65.6--4-17110
Fri 2, 2 AM65.7--4-18810
Fri 2, 1 AM65.9--3-17210
Fri 2, 12 AM66.5--3-22410
Thu 1, 11 PM67.6--4-20710
Thu 1, 10 PM68.5--3-20310
Thu 1, 9 PM68.6--3-21610
Thu 1, 8 PM68.7--1-15810
Thu 1, 7 PM70.2--1-17210
Thu 1, 6 PM72.7--4-19610
Thu 1, 5 PM76.2--8-17310
Thu 1, 4 PM77.7--9-16810
Thu 1, 3 PM78.5--6-18910
Thu 1, 2 PM76.4--5-17210
Thu 1, 1 PM74.8--5-20510
Thu 1, 12 PM72.7--5-21910
Thu 1, 11 AM69.5--5-19210
Thu 1, 10 AM67.7--6-19110
Thu 1, 9 AM67.0--5-18510
Thu 1, 8 AM65.1--3-19310
Thu 1, 7 AM64.3--3-15810
Thu 1, 6 AM64.2--2-16910
Thu 1, 5 AM64.6--3-17910
Thu 1, 4 AM64.4--3-16010
Thu 1, 3 AM64.4--3-17710
Thu 1, 2 AM64.2--2-20910
Thu 1, 1 AM64.6--3-20310
Thu 1, 12 AM64.9--3-16610
Wed 30, 11 PM65.4--5-1856
Wed 30, 10 PM66.1--6-18510
Wed 30, 9 PM65.8--5-19110
Wed 30, 8 PM65.7--3-13410
Wed 30, 7 PM66.0--2-14910
Wed 30, 6 PM67.5--5-18110
Wed 30, 5 PM71.4--6-19710
Wed 30, 4 PM72.0--4-18410
Wed 30, 3 PM71.2--5-19110
Wed 30, 2 PM71.0--6-19910
Wed 30, 1 PM70.6--5-18810
Wed 30, 12 PM69.1--4-20310
Wed 30, 11 AM67.2--3-18510
Wed 30, 10 AM66.1--3-19310
Wed 30, 9 AM64.9--2-23710
Wed 30, 8 AM63.7--1-18710
Wed 30, 7 AM63.0--1-10410
Wed 30, 6 AM62.9--1-010
Wed 30, 5 AM62.8--1-3510
Wed 30, 4 AM62.7--1-34710
Wed 30, 3 AM62.5--1-15010
Wed 30, 2 AM61.4--1-3510
Wed 30, 1 AM60.9--1-910
Wed 30, 12 AM61.6--1-910
Tue 29, 11 PM61.9--1-110
Tue 29, 10 PM63.4--1-1710
Tue 29, 9 PM64.9--1-21810
Tue 29, 8 PM66.5--2-310
Tue 29, 7 PM68.3--3-32710
Tue 29, 6 PM70.0--4-31410
Tue 29, 5 PM72.2--6-31810
Tue 29, 4 PM72.7--8-31910
Tue 29, 3 PM72.3--7-30710
Tue 29, 2 PM71.8--7-30610
Tue 29, 1 PM70.9--7-30710
Tue 29, 12 PM70.1--7-29310
Tue 29, 11 AM68.8--6-34510
Tue 29, 10 AM66.7--6-3389
Tue 29, 9 AM65.6--4-3449
Tue 29, 8 AM64.3--3-33210
Tue 29, 7 AM63.5--2-3238
Tue 29, 6 AM63.5--1-3088
Tue 29, 5 AM63.5--3-2898
Tue 29, 4 AM63.6--3-3078
Tue 29, 3 AM63.8--3-3189
Tue 29, 2 AM64.2--3-3328
Tue 29, 1 AM64.3--3-3038
Tue 29, 12 AM64.7--4-2999
Mon 28, 11 PM64.7--5-3219
Mon 28, 10 PM64.5--3-3049
Mon 28, 9 PM64.4--2-2979
Mon 28, 8 PM64.6--2-2728
Mon 28, 7 PM65.1--2-27010
Mon 28, 6 PM65.9--2-3009
Mon 28, 5 PM66.2--2-2658
Mon 28, 4 PM66.6--4-30210
Mon 28, 3 PM66.5--5-31710
Mon 28, 2 PM65.9--5-010
Mon 28, 1 PM64.8--5-710
Mon 28, 12 PM63.3--6-1110
Mon 28, 11 AM62.4--5-229
Mon 28, 10 AM61.4--5-34810
Mon 28, 9 AM60.6--5-1110
Mon 28, 8 AM60.2--4-110
Mon 28, 7 AM59.9--4-410
Mon 28, 6 AM59.9--6-35610
Mon 28, 5 AM60.0--5-35610
Mon 28, 4 AM60.2--5-110
Mon 28, 3 AM60.4--6-1110
Mon 28, 2 AM60.6--6-1710
Mon 28, 1 AM60.8--6-310
Mon 28, 12 AM60.9--6-1210
Sun 27, 11 PM61.0--5-2610
Sun 27, 10 PM60.8--4-1210
Sun 27, 9 PM60.5--4-2810
Sun 27, 8 PM60.7--5-1310
Sun 27, 7 PM61.5--6-1510
Sun 27, 6 PM61.8--7-5510
Sun 27, 5 PM62.2--12-3910
Sun 27, 4 PM63.0--13-3910
Sun 27, 3 PM62.6--14-3510
Sun 27, 2 PM62.4--17-3410
Sun 27, 1 PM61.6--13-2710
Sun 27, 12 PM59.6--12-34710
High and Low at Cohansey River AT Greenwich, high from 62.7 to 85.2, the latest 62.7; low from 53.0 to 73.9, the latest 60.8, in degrees Fahrenheit.HIGH AND LOWF5060708090Sep 5Sep 10Sep 15Sep 20Sep 25Sep 30HIGHLOW
Highest dew point and Lowest dew point at Cohansey River AT Greenwich, highest dew point from 44.9 to 72.1, the latest 56.7; lowest dew point from 38.6 to 64.7, the latest 54.5, in degrees Fahrenheit.HIGHEST DEW POINT AND LOWEST DEW POINTF304050607080Sep 5Sep 10Sep 15Sep 20Sep 25Sep 30HIGHEST DEW POINTLOWEST DEW POINT
Highest humidity and Lowest humidity at Cohansey River AT Greenwich, highest humidity from 64 to 88, the latest 84; lowest humidity from 33 to 81, the latest 76, in per cent.HIGHEST HUMIDITY AND LOWEST HUMIDITY%20406080100Sep 5Sep 10Sep 15Sep 20Sep 25Sep 30HIGHEST HUMIDITYLOWEST HUMIDITY
Strongest gust at Cohansey River AT Greenwich, strongest gust from 10 to 46, the latest 18, in miles an hour.STRONGEST GUSTmph1020304050Sep 5Sep 10Sep 15Sep 20Sep 25Sep 30
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 462.760.856.754.5847618
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
Sep 1676.659.764.854.1845820
Sep 1573.457.556.746.4704217
Sep 1475.963.370.447.5873923
Sep 1384.072.672.164.7876318
Sep 1277.764.465.559.7865523
Sep 1180.067.470.457.9844920
Sep 1081.873.970.263.5816322
Sep 984.770.165.961.8814823
Sep 882.463.366.456.4844216
Sep 779.565.463.354.8834518
Sep 678.865.162.756.9794821
Sep 579.368.568.658.3885020

Near Cohansey River AT Greenwich