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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 14139800 SOUTH FORK BULL RUN RIVER NEAR BULL RUN, OR


Clackamas County, Oregon
Hydrologic Unit Code 17080001
Latitude  45°26'41", Longitude 122°06'30" NAD27
Drainage area 15.7  square miles
Gage datum 990 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 1974-10-01 -> 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
1 173 190 154 155 137 82 43 19 21 43 132 235
2 184 170 147 150 133 87 41 18 20 34 131 271
3 186 142 149 144 138 94 40 18 19 39 122 250
4 187 135 153 135 131 88 37 17 19 38 149 248
5 192 145 151 141 133 83 35 17 19 34 165 201
6 218 170 155 149 132 87 33 17 21 35 170 198
7 211 215 162 162 129 102 32 18 19 40 218 211
8 216 158 142 180 120 96 31 19 19 44 162 182
9 210 163 172 173 111 89 32 17 19 48 139 175
10 214 161 164 166 111 98 30 16 21 47 123 205
11 192 132 150 176 107 98 29 16 23 51 145 206
12 199 141 150 163 99 92 28 16 21 52 158 203
13 219 150 147 164 94 91 31 16 20 55 174 228
14 228 163 153 168 108 82 31 16 20 54 151 193
15 210 169 166 152 111 78 28 18 22 53 143 177
16 226 189 164 153 112 73 28 18 23 52 143 182
17 215 185 144 146 114 67 28 17 29 47 182 173
18 202 191 162 138 109 65 26 17 36 58 163 161
19 196 217 157 134 104 69 26 17 32 67 174 140
20 188 208 148 140 97 64 24 19 37 74 171 188
21 163 203 146 133 96 61 24 21 31 83 168 176
22 144 198 146 127 101 56 25 20 27 98 172 167
23 190 205 148 142 105 52 25 21 25 78 179 170
24 201 176 145 153 98 50 24 21 30 73 187 172
25 195 150 155 151 94 50 22 23 31 80 264 185
26 160 145 151 151 93 51 22 24 28 81 206 172
27 153 143 156 160 95 51 21 20 28 102 181 185
28 168 159 161 152 97 47 20 19 33 97 195 227
29 182 166 172 143 98 46 20 18 37 106 178 208
30 181   182 146 93 43 20 23 39 101 186 215
31 197   166   86   19 22   137   175