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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 01398500 North Branch Raritan River near Far Hills NJ


Somerset County, New Jersey
Hydrologic Unit Code 02030105
Latitude  40°42'30", Longitude  74°38'10" NAD83
Drainage area 26.2  square miles
Gage datum 224.49 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 62 46 63 93 72 60 40 30 32 29 35 54
2 55 62 70 100 64 60 34 33 31 26 34 50
3 62 64 66 89 67 50 29 31 25 24 43 49
4 55 59 71 93 66 50 27 32 25 22 34 49
5 52 50 74 97 65 49 33 25 21 22 32 50
6 59 50 77 96 65 49 33 29 34 23 32 50
7 53 66 85 98 67 47 38 27 27 22 39 53
8 53 60 84 89 60 47 27 26 29 26 46 51
9 55 46 71 86 61 40 31 27 23 30 39 51
10 52 49 73 86 61 38 33 28 20 22 41 46
11 50 53 86 74 61 37 30 37 23 23 34 57
12 52 48 85 79 73 41 27 32 29 26 41 57
13 45 60 86 83 66 45 35 34 29 24 44 52
14 47 56 93 74 60 43 33 30 26 27 39 59
15 52 66 91 83 62 40 29 26 32 25 40 48
16 46 53 82 102 62 35 26 25 36 26 39 53
17 45 53 81 85 63 36 24 27 26 26 44 51
18 57 58 79 73 59 35 25 27 27 28 47 48
19 57 54 82 74 57 39 24 33 29 45 41 43
20 53 59 86 73 58 34 24 22 30 38 47 45
21 55 60 93 68 52 35 30 22 29 27 48 69
22 56 61 92 68 48 38 32 37 27 25 46 49
23 53 65 85 70 51 35 45 34 27 27 48 54
24 75 69 82 67 54 34 33 29 26 30 40 54
25 81 71 79 68 53 37 30 24 29 30 50 55
26 71 76 76 70 53 30 27 22 23 35 50 53
27 59 67 83 70 49 28 31 25 31 35 48 54
28 59 66 89 76 45 34 38 56 30 41 55 54
29 51 58 87 73 61 32 27 25 30 36 53 55
30 49   90 72 56 36 27 22 34 39 53 60
31 48   92   52   27 23   33   52