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USGS Daily Statistics for Pennsylvania

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[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.


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 04213152 Walnut Creek Upstream Pool, near Erie, PA


Erie County, Pennsylvania
Hydrologic Unit Code 04120101
Latitude  42°04'26", Longitude  80°14'05" NAD83
Drainage area 37.3  square miles
Gage datum 572.1 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 2007-10-01 -> 2024-09-30)

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
1 120 91 105 141 111 45 60 18 15 39 153 157
2 103 116 97 87 87 77 58 17 14 46 103 134
3 80 112 92 102 98 30 60 16 12 77 89 128
4 106 85 82 138 84 27 64 15 13 35 46 105
5 70 70 114 102 70 34 28 15 16 36 77 95
6 57 59 112 89 88 101 21 16 13 49 72 121
7 62 88 89 109 57 53 26 20 11 36 59 73
8 69 118 112 100 62 35 41 21 31 27 39 57
9 89 151 110 76 45 33 77 32 22 28 36 98
10 91 118 184 71 42 32 32 56 32 25 40 145
11 211 144 219 83 46 45 43 35 31 23 82 82
12 227 202 171 106 98 36 29 25 41 20 75 70
13 114 109 117 78 49 59 23 29 31 51 77 66
14 79 82 93 70 49 52 32 23 31 32 90 102
15 55 92 99 91 118 41 27 18 21 77 103 148
16 57 90 82 93 86 32 25 13 25 64 84 83
17 140 375 101 71 41 25 38 13 35 56 81 74
18 114 415 69 56 57 54 34 29 17 60 99 92
19 105 109 73 59 56 44 24 23 25 63 83 76
20 93 142 74 107 44 63 26 15 16 92 62 78
21 85 135 65 79 45 42 19 29 40 143 51 175
22 81 162 57 59 48 39 18 39 26 74 82 127
23 117 149 66 106 44 57 54 20 22 37 129 116
24 136 115 63 67 80 43 59 14 15 53 76 124
25 154 99 71 79 33 30 40 21 17 53 97 105
26 91 70 78 102 85 34 29 13 54 46 117 99
27 111 130 75 53 55 56 39 19 103 106 81 175
28 109 200 111 53 61 70 31 16 54 105 83 115
29 143 103 115 58 93 116 33 15 51 165 78 93
30 95   111 72 39 336 43 19 29 198 115 86
31 70   141   38   22 22   117   105