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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 14209250 OAK GROVE FORK AT RIPPLEBROOK CAMPGROUND, OR


Clackamas County, Oregon
Hydrologic Unit Code 17090011
Latitude  45°04'47.33", Longitude 122°02'34.29" NAD83
Drainage area 141  square miles
Gage datum 1,420 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 2010-10-01 -> 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
1 159 181 189 281 276 176 137 121 100 115 118 132
2 144 182 203 266 261 177 135 121 102 115 118 159
3 161 178 222 245 261 183 134 120 102 115 118 133
4 177 170 210 243 260 178 132 120 102 115 136 141
5 158 177 216 253 268 177 132 119 102 115 166 152
6 180 198 252 255 278 184 134 119 102 115 134 142
7 192 202 220 286 316 173 135 119 101 125 157 150
8 182 189 208 338 293 168 131 119 107 116 168 142
9 170 189 241 312 279 162 129 119 117 123 157 147
10 160 185 277 280 265 175 129 119 117 118 155 169
11 159 168 278 291 242 193 129 119 117 118 161 159
12 191 165 238 274 226 184 129 119 117 119 166 169
13 246 167 238 260 219 177 128 116 119 130 162 186
14 215 217 245 243 241 176 126 117 121 126 158 179
15 207 252 268 236 252 172 126 117 133 124 160 154
16 340 258 294 240 251 167 126 118 134 121 158 136
17 323 227 270 248 240 167 125 118 134 120 156 143
18 303 228 254 253 239 177 124 118 124 121 160 173
19 308 234 245 232 236 168 122 118 128 119 166 160
20 279 208 238 256 235 172 124 117 138 126 195 220
21 267 210 232 260 220 151 125 117 138 120 170 275
22 237 223 227 266 210 148 124 116 138 137 146 248
23 212 229 220 271 203 148 123 117 133 119 142 199
24 204 220 223 285 206 146 123 115 119 121 148 175
25 223 196 221 301 198 144 123 111 121 123 131 160
26 225 183 216 303 188 141 123 101 121 122 129 151
27 206 180 218 292 185 139 123 100 121 122 128 185
28 198 187 224 276 183 140 122 99 122 122 154 187
29 191 119 244 272 184 153 123 99 121 122 137 176
30 197   308 279 182 139 122 100 121 120 135 210
31 189   299   181   122 99   121   168