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USGS 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 01209700 NORWALK RIVER AT SOUTH WILTON, CT


Fairfield County, Connecticut
Hydrologic Unit Code 01100006
Latitude  41°09'49.56", Longitude  73°25'10.36" NAD83
Drainage area 30.0  square miles
Gage datum 115.69 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 1961-10-01 -> 2022-09-30)

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 69 60 79 122 84 64 31 21 13 30 36 70
2 73 80 99 121 81 62 27 18 29 28 34 80
3 70 99 88 126 76 53 25 16 21 30 36 78
4 72 80 85 131 76 54 25 19 21 25 31 75
5 68 74 84 139 73 53 25 18 15 25 33 72
6 61 64 105 116 83 64 25 15 21 22 33 69
7 58 64 119 101 72 59 32 16 28 21 32 72
8 68 64 99 94 66 55 24 17 25 22 46 72
9 64 58 93 94 68 48 28 17 22 29 53 76
10 64 63 95 122 71 47 21 23 18 26 51 73
11 67 66 105 94 76 40 18 21 18 25 48 75
12 66 61 97 85 75 40 18 23 23 30 47 86
13 62 70 103 101 71 47 25 19 22 31 53 80
14 68 71 119 97 71 46 26 19 31 33 49 86
15 64 68 105 106 80 42 24 17 19 35 46 73
16 60 66 94 157 85 37 20 16 23 28 44 77
17 55 64 104 132 93 40 19 14 29 28 52 74
18 64 65 102 101 73 40 17 23 28 32 45 71
19 68 63 110 91 71 61 14 19 21 36 42 61
20 63 69 109 96 71 42 14 15 18 55 54 56
21 81 69 116 91 59 36 16 19 18 43 57 87
22 65 71 153 83 53 40 16 18 20 33 54 84
23 63 71 143 101 50 38 20 18 22 30 61 74
24 83 82 114 98 69 40 20 16 31 40 56 76
25 106 98 115 85 64 35 19 13 35 35 54 85
26 113 95 100 85 58 30 18 12 38 43 62 80
27 110 86 117 102 50 28 18 14 42 48 72 81
28 108 79 111 88 50 33 18 35 36 53 65 74
29 80 72 114 79 56 33 18 23 46 49 64 71
30 69   120 73 67 40 17 18 32 44 66 68
31 63   126   65   19 14   37   65