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USGS Daily Statistics for Oregon

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 14141500 LITTLE SANDY RIVER NEAR BULL RUN, OR


Clackamas County, Oregon
Hydrologic Unit Code 17080001
Latitude  45°24'56", Longitude 122°10'13" NAD27
Drainage area 23.1  square miles
Gage datum 720 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 1919-10-01 -> 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
1 222 224 179 220 181 121 64 23 25 48 155 247
2 251 210 191 198 188 122 59 22 25 51 169 274
3 232 199 175 185 187 124 59 24 24 59 166 255
4 234 196 171 184 184 119 53 22 23 54 181 248
5 259 197 181 204 191 116 49 22 26 51 170 231
6 286 227 186 195 189 119 47 21 28 52 171 253
7 268 240 185 200 183 132 47 21 30 59 195 244
8 241 197 169 200 174 131 44 22 25 63 185 205
9 236 211 190 195 165 128 43 20 23 77 170 204
10 228 216 185 196 167 127 42 20 26 75 160 236
11 217 186 177 203 165 119 41 20 34 79 172 275
12 223 193 180 197 156 113 38 19 28 76 176 263
13 259 205 182 205 151 110 39 19 29 71 182 246
14 262 200 176 201 161 104 38 19 31 71 168 219
15 267 201 180 191 162 103 36 21 33 71 186 204
16 253 213 191 188 162 100 35 20 35 72 196 204
17 258 212 187 188 171 102 35 20 37 66 214 206
18 263 214 202 185 162 101 32 21 38 70 204 199
19 245 228 189 185 158 101 31 21 38 78 218 221
20 228 219 179 206 155 95 30 22 40 87 247 262
21 220 225 184 191 156 89 29 22 40 100 222 262
22 210 215 182 185 156 82 29 21 38 124 217 269
23 242 213 180 187 154 79 29 22 41 118 223 259
24 250 208 187 193 143 76 28 24 47 109 252 260
25 245 184 195 185 141 77 27 25 46 107 286 234
26 219 183 191 186 141 74 26 28 49 100 265 226
27 210 180 188 203 144 73 26 26 42 110 249 243
28 224 184 192 199 138 71 25 24 47 125 242 281
29 225 194 198 188 140 72 25 23 51 121 235 269
30 225   209 190 137 69 24 24 45 117 236 276
31 226   242   124   23 23   141   234