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USGS Daily Statistics for Connecticut

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ICE EFFECTS ON STREAMFLOW - During winter, ice formation may cause stage and discharge values to appear higher than expected. Ice effects may be minor (occurring only at night and early morning) with baseline flows obvious, or the effects may be major (stage constantly increases over several days or weeks) resulting in greatly erroneous discharge. Streamgages experiencing minor ice conditions will continue to display stage and discharge values to enable users to estimate the approximate base-line stage and discharge. Streamgages experiencing major ice conditions will have the discharge record temporarily disabled to prevent use of erroneous discharge values. The discharge record will resume when it is determined that ice conditions are no longer present. Daily mean discharges during periods of ice effect will be estimated after detailed data analysis.

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 01187800 NEPAUG R NR NEPAUG, CT.


Litchfield County, Connecticut
Hydrologic Unit Code 01080207
Latitude  41°49'14", Longitude  72°58'14" NAD27
Drainage area 23.5  square miles
Gage datum 505.54 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 -> 2021-09-30)

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 53 33 51 111 55 44 21 13 9.4 17 22 40
2 46 32 54 106 51 43 20 17 11 16 24 35
3 45 40 54 107 54 36 17 13 11 18 47 35
4 42 38 66 97 58 38 17 18 11 14 49 36
5 38 35 65 100 53 40 15 29 9.7 12 29 41
6 49 31 73 108 49 32 16 13 9.4 12 29 49
7 48 44 69 115 46 37 17 14 9 13 32 53
8 44 51 73 94 46 31 16 11 8.1 13 32 48
9 37 39 71 89 48 30 13 12 12 15 31 46
10 49 37 58 79 47 36 12 14 11 15 42 43
11 42 54 58 71 49 30 15 16 14 16 35 46
12 38 55 94 81 53 30 16 15 17 14 31 48
13 39 41 82 86 51 26 20 13 19 13 32 42
14 31 47 81 81 47 25 16 18 19 15 34 47
15 37 49 77 71 53 27 15 14 18 13 29 48
16 42 48 87 79 48 29 18 10 18 12 27 35
17 36 39 95 78 47 31 12 12 39 14 31 38
18 32 40 105 72 45 28 16 23 21 17 32 42
19 38 37 88 72 54 32 13 83 19 17 33 38
20 34 37 90 72 59 30 15 18 26 21 38 38
21 34 41 96 67 49 27 17 12 46 20 34 46
22 41 50 118 65 47 31 21 11 36 15 33 40
23 42 43 107 70 45 27 21 11 15 19 36 33
24 55 46 97 62 49 25 23 11 12 29 32 31
25 69 46 102 69 47 21 13 13 14 26 38 30
26 53 53 100 72 50 23 13 15 14 23 47 32
27 44 51 97 63 46 22 17 13 11 24 40 31
28 40 51 95 57 40 25 14 18 14 21 37 31
29 34 39 96 63 39 20 18 12 12 19 49 32
30 31   97 57 40 24 18 10 20 26 46 42
31 32   115   34   15 11   19   64