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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 -> 2019-09-30)

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 63 61 78 124 82 65 33 21 11 31 33 67
2 70 82 100 124 80 64 27 18 12 28 31 78
3 68 102 88 130 75 54 24 17 17 30 33 78
4 71 82 85 135 74 55 25 19 19 25 29 75
5 65 75 85 144 71 55 26 18 13 24 31 70
6 59 65 107 120 81 66 26 16 19 22 31 68
7 57 63 123 104 71 61 32 16 28 22 31 71
8 68 63 102 96 65 57 25 18 25 22 45 72
9 63 58 95 96 67 50 21 18 22 29 53 76
10 63 63 96 126 70 48 19 24 18 26 51 72
11 67 66 107 96 77 41 16 22 18 24 48 75
12 67 61 98 87 74 41 16 24 24 29 45 88
13 63 70 105 93 70 48 25 20 23 31 49 81
14 69 71 122 91 70 47 26 20 32 33 47 79
15 64 68 106 103 80 43 24 18 19 35 44 71
16 59 66 95 156 86 38 20 16 24 27 42 75
17 54 64 106 133 95 41 19 15 30 24 51 71
18 65 65 104 100 74 41 16 24 29 32 44 70
19 69 64 110 91 73 62 14 19 22 36 40 61
20 62 70 111 93 72 43 14 15 19 56 54 55
21 82 69 119 90 60 37 16 20 18 44 58 80
22 67 71 156 82 54 41 15 18 21 34 54 78
23 64 71 146 101 51 39 17 16 23 30 62 71
24 76 82 115 98 71 41 18 15 23 41 56 74
25 100 98 116 85 66 36 18 13 33 36 51 80
26 111 96 102 83 59 31 18 12 37 33 61 76
27 110 84 120 99 51 29 18 14 43 33 69 79
28 109 78 114 86 52 34 18 37 36 47 65 71
29 81 72 115 78 55 34 18 24 47 45 64 69
30 68   123 71 66 42 16 19 33 39 64 65
31 64   130   64   19 15   33   62