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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 04213401 WALNUT CREEK AT US ROUTE 20 AT SILVER CREEK NY


Chautauqua County, New York
Hydrologic Unit Code 04120101
Latitude  42°32'18.1", Longitude  79°10'08.3" NAD83
Drainage area 25.6  square miles
Gage datum 587.55 feet above NAVD88
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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 2016-10-01 -> 2023-09-30)

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 92 37 49 83 52 21 6.3 5.8 5.2 7.1 133 89
2 135 40 102 52 69 26 39 6.4 14 34 106 146
3 73 50 118 47 49 20 12 6.4 5.7 11 107 120
4 74 84 73 112 54 17 7.1 5.6 6.8 18 57 63
5 51 93 56 46 46 15 6.4 5.3 12 9.2 146 58
6 45 74 107 43 39 19 5.9 4.7 9.5 25 112 61
7 39 65 85 92 39 16 7.9 5.7 5.7 85 47 46
8 51 61 59 67 37 16 6.1 5.5 5.9 16 37 39
9 86 40 70 56 33 20 6.2 6.7 4.3 16 34 57
10 86 47 115 49 49 20 5.7 4.1 18 11 41 57
11 122 48 133 45 38 25 15 5.2 6.7 16 44 57
12 179 51 96 73 46 15 20 3.6 8.7 17 41 45
13 135 68 73 63 46 18 8 3.2 15 22 40 47
14 94 56 82 54 59 36 30 9.2 12 16 52 70
15 73 92 84 77 150 19 9.8 4.3 23 14 45 69
16 63 79 67 146 56 26 9.2 3.7 9.6 24 62 51
17 53 116 60 91 37 21 53 6.6 5.3 25 56 41
18 45 124 56 66 33 16 37 14 4.3 17 53 48
19 44 72 63 66 32 15 13 19 4.5 12 108 71
20 38 88 91 79 39 29 10 7.4 4 34 58 59
21 37 73 56 72 26 56 27 6.1 3.5 69 49 96
22 95 126 55 57 35 14 19 8.8 4.4 36 68 59
23 71 116 54 54 48 13 11 5.9 5.9 28 48 64
24 47 71 61 49 28 12 8.8 3.9 3.6 30 40 63
25 80 81 50 51 22 9.2 9.8 4.5 5.4 37 57 96
26 53 69 58 88 19 7.1 6.1 3.9 45 35 79 57
27 52 72 75 64 47 8.8 5.1 5.1 48 67 65 70
28 55 50 105 51 29 10 6.1 5 33 48 59 76
29 41 73 157 70 29 11 19 6.1 8.4 117 48 62
30 35   112 71 24 7.3 10 12 7.5 58 75 87
31 36   119   20   6.3 15   106   116