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USGS Daily Statistics for Oregon

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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 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 -> 2020-09-30)

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
1 166 182 298 414 290 137 55 17 6.7 17 50 132
2 163 187 302 417 283 134 54 16 6.7 18 52 135
3 161 194 307 420 277 133 52 15 6.6 18 53 139
4 159 197 308 420 273 128 50 15 6.5 19 55 140
5 157 196 309 416 268 124 47 14 6.4 19 56 140
6 155 196 310 411 264 121 46 14 6.5 20 58 141
7 152 197 315 408 259 118 44 13 6.7 20 59 143
8 151 197 320 407 253 115 42 13 6.9 21 61 146
9 151 198 322 402 247 112 41 12 7 22 64 150
10 153 198 326 400 240 109 39 12 7.2 23 67 151
11 156 199 331 398 233 106 38 11 7.3 24 70 155
12 157 202 335 392 228 103 37 11 7.4 25 73 156
13 160 205 337 387 223 100 35 11 7.7 26 76 156
14 162 207 343 382 218 98 34 10 8 27 79 158
15 166 211 349 378 211 95 32 10 8.2 28 82 159
16 169 217 355 374 205 93 31 9.8 8.3 28 84 160
17 172 225 358 369 200 90 30 9.3 8.5 29 87 161
18 173 231 360 365 195 87 29 8.8 8.9 29 90 160
19 174 237 362 360 190 84 27 8.5 9.6 30 93 161
20 175 244 364 354 187 82 26 8.4 10 31 95 162
21 176 250 365 348 182 80 25 8.2 10 33 98 165
22 178 253 366 341 178 76 24 8 11 34 102 173
23 180 262 366 335 172 74 23 8 11 35 105 179
24 180 268 368 329 168 71 22 7.8 11 37 109 178
25 181 274 376 325 163 69 21 7.6 12 38 113 180
26 181 282 380 320 158 67 21 7.4 12 40 117 179
27 180 286 382 315 155 65 20 7 13 42 121 176
28 181 293 387 309 152 62 19 6.7 14 43 124 174
29 182 317 394 305 148 60 18 6.5 14 45 127 169
30 184   400 298 144 58 18 6.6 15 46 130 166
31 185   406   141   17 6.7   48   168