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USGS Daily Statistics for New Jersey

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ALL DATA ARE AT LOCAL TIME


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 01381500 Whippany River at Morristown NJ


Morris County, New Jersey
Hydrologic Unit Code 02030103
Latitude  40°48'26", Longitude  74°27'25" NAD83
Drainage area 29.4  square miles
Gage datum 260.01 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 -> 2025-09-30)

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 62 51 68 102 82 71 45 39 34 36 37 59
2 60 60 77 100 70 69 42 40 46 33 38 56
3 64 68 72 100 73 59 36 40 38 31 45 53
4 59 66 80 100 73 57 35 39 35 29 38 57
5 54 58 81 104 69 58 37 32 29 28 37 57
6 62 55 83 101 72 62 46 32 40 30 35 58
7 58 68 92 105 72 56 46 34 47 28 39 59
8 60 67 84 95 68 57 37 33 38 34 47 60
9 61 51 79 89 68 51 43 38 33 40 43 58
10 69 54 79 91 67 47 43 40 29 28 50 55
11 57 58 91 78 69 46 39 51 29 29 40 62
12 59 56 92 84 81 50 37 44 35 35 45 61
13 54 62 93 89 76 55 46 44 36 30 50 58
14 52 64 100 81 67 58 41 41 32 32 41 66
15 56 68 96 87 68 51 46 35 41 33 41 55
16 52 62 85 111 71 45 36 31 43 31 42 58
17 52 60 85 101 75 46 34 33 40 30 50 56
18 57 65 82 79 66 43 36 38 35 34 44 65
19 61 61 87 81 69 52 32 42 36 45 43 51
20 61 65 90 80 68 41 31 31 39 55 52 49
21 59 64 95 73 62 44 35 30 37 36 52 72
22 59 68 109 73 57 49 39 42 38 31 54 59
23 59 69 99 77 59 45 53 43 32 35 54 60
24 73 74 91 71 65 44 48 36 36 36 43 60
25 89 80 87 73 63 45 44 32 43 38 48 64
26 80 81 80 78 61 41 36 33 37 43 55 57
27 68 71 87 77 57 42 46 41 39 43 59 61
28 71 71 88 83 53 44 42 68 37 52 56 65
29 59 62 87 80 61 39 36 38 37 43 59 61
30 56   92 74 69 42 34 30 39 48 59 63
31 54   96   60   34 28   39   59