Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

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 01077400 COCKERMOUTH RIVER BELOW HARDY BROOK, AT GROTON, NH


Grafton County, New Hampshire
Hydrologic Unit Code 01070001
Latitude  43°42'14", Longitude  71°50'00" NAD83
Drainage area 21.4  square miles
Gage datum 608.42 feet above NAVD88
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 2007-10-01 -> 2024-09-30)

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 49 26 37 120 148 28 50 18 8.1 63 61 114
2 45 21 47 103 84 39 68 20 29 46 54 77
3 34 22 41 118 74 40 58 13 13 39 78 78
4 33 28 39 120 63 23 32 13 8.6 27 44 52
5 37 24 41 98 64 25 21 13 10 18 46 41
6 32 23 50 102 67 49 14 8.3 20 13 44 51
7 29 20 123 119 51 36 11 7.4 27 21 40 57
8 24 21 66 141 60 25 14 15 21 23 30 52
9 21 20 60 132 57 24 21 10 12 15 29 38
10 54 21 66 149 53 20 72 9.5 7.6 13 33 71
11 48 22 86 191 43 28 83 14 8.9 18 28 86
12 105 22 75 220 34 35 61 9.9 12 15 37 91
13 97 24 93 195 29 33 22 19 15 18 40 78
14 49 18 71 177 45 26 22 17 18 43 44 84
15 43 17 77 171 59 18 14 14 9.8 67 43 59
16 34 20 66 129 62 17 14 20 7.4 67 44 51
17 29 28 71 152 75 18 12 9 7 58 48 43
18 25 34 96 102 52 14 18 17 9.3 29 38 132
19 32 25 96 106 58 30 16 12 19 28 35 59
20 25 23 85 125 57 26 15 7.3 8.8 35 61 37
21 21 34 69 118 47 25 23 8.9 6.1 52 37 77
22 20 32 57 93 40 14 18 34 9.5 34 30 91
23 22 37 80 130 35 15 23 16 7.3 49 32 127
24 50 42 63 100 31 17 25 9.7 11 50 36 75
25 65 86 71 88 36 20 19 17 11 50 43 139
26 53 72 78 106 64 34 23 13 13 95 49 62
27 34 46 72 113 33 37 13 9 16 62 72 58
28 29 41 92 73 43 69 25 115 23 58 79 73
29 23 68 109 63 39 65 25 37 25 63 45 50
30 21   125 71 32 38 32 17 51 214 101 40
31 42   124   33   28 10   112   39