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USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 01395000 Rahway River at Rahway NJ


Union County, New Jersey
Hydrologic Unit Code 02030104
Latitude  40°37'08", Longitude  74°17'00" NAD83
Drainage area 40.9  square miles
Gage datum 8.77 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1921-10-01 -> 2023-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 59 37 64 102 80 74 37 46 33 31 29 54
2 64 51 78 98 55 67 32 67 84 28 32 49
3 63 77 69 81 50 55 30 59 41 27 36 44
4 65 68 86 81 55 56 36 35 46 23 26 53
5 53 49 76 90 52 49 44 28 22 22 34 58
6 59 42 81 85 55 60 46 36 36 24 27 57
7 56 60 104 92 55 45 38 40 51 25 38 57
8 56 69 87 81 55 41 28 36 40 30 77 54
9 46 42 74 72 56 39 47 48 30 43 80 62
10 50 40 63 81 56 35 31 67 23 26 54 51
11 41 51 79 58 60 31 29 47 29 24 40 53
12 42 50 83 60 69 35 33 49 39 39 44 64
13 32 56 115 72 65 53 43 54 53 33 47 58
14 40 56 117 59 59 46 56 49 35 29 37 79
15 51 59 91 72 55 38 71 39 42 27 40 55
16 49 56 70 120 54 33 31 26 55 25 36 53
17 47 49 66 114 63 39 25 38 66 26 52 57
18 53 60 67 59 52 36 45 44 40 35 37 46
19 57 56 74 54 66 48 33 36 45 55 31 34
20 59 64 79 55 54 40 33 30 41 73 53 32
21 61 61 84 53 47 32 40 26 44 37 49 80
22 50 61 114 53 37 43 48 41 53 22 46 64
23 50 68 90 60 43 35 73 43 30 34 44 51
24 68 90 77 51 66 30 84 29 26 35 31 47
25 83 83 79 57 61 39 76 27 35 37 43 55
26 83 78 56 56 55 32 47 33 46 43 53 51
27 59 75 73 67 43 25 59 44 50 45 53 62
28 64 68 71 77 41 33 53 115 39 53 56 44
29 51 50 76 68 66 36 46 62 34 46 60 57
30 41   82 58 67 52 39 23 31 50 54 54
31 37   94   55   39 20   30   54