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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 11493500 WILLIAMSON RIVER NEAR KLAMATH AGENCY, OR


Klamath County, Oregon
Hydrologic Unit Code 18010201
Latitude  42°44'25", Longitude 121°50'00" NAD27
Drainage area 1,290  square miles
Gage datum 4,483.16 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 1954-10-01 -> 2023-09-30)

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
1 156 171 280 389 277 131 53 16 6.4 17 47 124
2 153 176 284 391 270 128 51 15 6.4 17 49 127
3 152 182 288 394 264 127 50 15 6.3 17 50 131
4 149 185 290 394 260 122 47 14 6.2 18 51 132
5 147 184 291 391 256 118 45 14 6.1 18 53 132
6 146 184 291 386 252 115 44 13 6.2 19 54 132
7 143 186 296 384 247 113 42 13 6.4 20 56 134
8 142 186 300 382 241 110 40 12 6.6 20 58 138
9 142 186 302 378 236 107 39 12 6.7 21 60 141
10 144 187 306 381 229 104 37 11 6.8 22 63 142
11 146 188 311 380 223 101 36 11 7 23 66 145
12 147 190 314 374 217 98 35 10 7.1 24 69 146
13 151 193 317 369 213 96 33 10 7.3 25 72 146
14 153 195 322 364 208 93 32 9.9 7.6 26 74 148
15 156 199 328 360 202 91 31 9.7 7.8 27 77 150
16 159 205 333 356 196 88 29 9.3 7.9 27 79 150
17 161 212 337 352 191 86 28 8.9 8.2 28 82 151
18 163 217 339 348 186 83 27 8.4 8.5 28 84 151
19 163 223 340 343 181 80 26 8.2 9.1 29 87 151
20 164 230 342 337 178 78 25 8 9.6 30 89 152
21 165 235 343 332 174 76 24 7.8 10 31 92 155
22 167 238 343 326 170 73 23 7.6 10 32 96 163
23 169 246 344 320 164 71 22 7.6 11 34 99 168
24 169 252 346 314 160 68 21 7.5 11 35 102 168
25 170 258 353 310 156 66 20 7.2 11 36 106 169
26 170 265 357 306 151 64 20 7 11 38 110 168
27 169 269 359 300 148 62 19 6.6 12 39 113 165
28 170 276 364 295 145 59 18 6.4 13 41 117 164
29 171 298 370 291 141 57 18 6.2 14 42 119 158
30 173   376 284 138 55 17 6.3 15 44 122 156
31 174   381   135   17 6.4   45   158