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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.


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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 03028000 West Branch Clarion River at Wilcox, PA


Elk County, Pennsylvania
Hydrologic Unit Code 05010005
Latitude  41°34'31", Longitude  78°41'33" NAD27
Drainage area 63.0  square miles
Gage datum 1,501.00 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 1953-10-01 -> 2025-09-30)

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
1 173 119 195 307 171 98 76 52 39 65 103 217
2 170 132 199 326 168 89 78 53 39 56 100 169
3 157 132 192 321 163 86 64 59 50 55 102 163
4 163 119 208 338 158 92 58 51 43 54 97 158
5 162 118 259 350 148 107 60 45 37 50 94 152
6 153 122 271 315 144 113 53 62 42 56 102 162
7 138 116 245 303 145 94 49 75 39 56 96 166
8 163 132 262 283 152 92 50 87 38 54 101 166
9 154 109 251 270 153 88 49 59 62 58 99 157
10 129 122 247 266 156 86 48 56 53 52 114 163
11 126 122 240 249 163 75 46 50 42 60 120 166
12 169 123 234 251 208 84 57 52 46 61 121 171
13 156 117 237 241 215 82 56 49 59 67 114 165
14 162 129 234 229 191 111 53 67 54 72 115 166
15 143 127 263 226 175 114 83 59 51 69 119 167
16 126 135 225 231 171 111 66 50 45 69 136 151
17 112 145 234 235 164 95 60 41 58 65 148 149
18 115 156 226 209 155 96 54 51 79 71 137 152
19 150 155 227 194 158 88 50 44 60 89 140 141
20 126 162 235 189 140 82 56 36 52 89 135 141
21 128 159 241 190 151 130 65 55 49 92 125 156
22 142 169 251 183 143 117 56 48 73 76 122 166
23 137 174 238 176 133 112 54 44 64 71 129 164
24 153 180 231 170 123 90 55 39 51 83 135 160
25 179 197 238 165 109 99 47 34 55 84 128 171
26 161 186 243 174 107 88 49 29 53 77 153 159
27 159 188 233 164 94 76 53 37 55 84 163 159
28 136 195 235 171 106 72 49 38 81 96 180 166
29 133 181 256 208 125 72 51 46 73 100 176 168
30 135   269 183 101 71 49 39 58 99 174 173
31 131   306   95   53 45   98   172