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USGS Surface-Water Daily Statistics for Connecticut

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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 01192883 COGINCHAUG RIVER AT MIDDLEFIELD, CT


Lower Connecticut River Valley Planning Region County, Connecticut
Hydrologic Unit Code 010802050602
Latitude  41°31'12.84", Longitude  72°42'23.51" NAD83
Drainage area 29.8  square miles
Gage datum 134.17 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 1980-10-01 -> 2026-09-30)

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 76 71 103 141 78 67 24 16 13 41 57 80
2 80 79 111 126 79 65 23 16 26 39 52 88
3 81 94 120 116 73 62 21 15 24 36 49 92
4 84 102 110 124 72 56 20 14 20 33 46 88
5 89 97 97 129 70 61 20 15 17 30 43 83
6 81 89 97 114 76 111 21 14 19 28 42 82
7 72 74 126 98 72 92 22 16 29 25 40 82
8 68 68 119 92 62 79 24 16 32 22 39 85
9 66 64 118 87 58 69 32 16 27 26 44 81
10 75 59 126 84 61 60 38 18 22 28 50 84
11 74 58 119 95 71 52 30 23 20 26 51 100
12 74 64 112 89 70 51 24 26 19 26 51 117
13 79 71 115 98 72 51 21 25 18 31 54 111
14 81 86 124 115 68 56 21 23 17 41 57 99
15 81 86 128 101 59 52 21 21 16 64 56 96
16 76 86 117 141 58 46 20 19 17 49 56 88
17 71 87 108 171 61 46 21 18 17 37 66 91
18 71 87 103 131 59 47 21 20 19 34 68 110
19 81 88 103 106 57 45 19 22 22 34 63 109
20 87 82 103 95 54 39 17 25 21 48 57 92
21 70 86 99 89 50 36 16 23 18 62 60 85
22 59 88 108 90 45 31 18 22 15 54 64 83
23 59 86 114 92 41 28 18 19 16 46 72 81
24 84 98 116 101 45 26 23 18 18 46 78 89
25 114 118 107 95 47 26 22 16 22 53 77 97
26 116 128 94 83 45 24 19 15 36 55 75 102
27 110 116 94 91 49 22 18 13 39 54 81 92
28 97 109 99 90 48 23 17 20 38 60 81 85
29 86 114 111 80 46 23 17 24 43 71 80 84
30 81   137 72 54 24 15 20 44 73 79 85
31 72   148   67   14 15   66   81