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USGS Daily Statistics for California

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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 11517500 SHASTA R NR YREKA CA


Siskiyou County, California
Hydrologic Unit Code 18010207
Latitude  41°49'23", Longitude 122°35'40" NAD27
Drainage area 793  square miles
Gage datum 2,000.00 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 1933-10-01 -> 2019-09-30)

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
1 385 310 351 302 152 136 60 36 47 112 173 215
2 334 312 379 285 149 134 58 35 48 120 173 238
3 292 319 370 266 151 130 58 35 48 122 174 244
4 281 325 335 251 152 130 54 35 47 124 173 237
5 279 319 320 247 151 131 53 35 48 125 173 238
6 276 317 311 240 147 129 52 36 51 126 174 222
7 265 358 305 234 146 126 50 35 53 130 178 225
8 265 348 308 228 144 122 49 35 52 131 179 229
9 263 341 307 222 149 119 47 36 51 133 179 232
10 271 334 300 216 154 117 46 36 52 141 182 235
11 292 326 305 204 153 113 44 36 53 146 182 244
12 282 326 312 194 149 109 44 35 54 150 186 243
13 291 327 299 193 144 107 42 34 56 155 186 242
14 303 336 294 194 136 104 42 34 59 153 192 253
15 330 324 288 192 131 102 43 34 63 153 191 265
16 391 328 294 188 128 96 42 35 65 153 195 252
17 402 330 297 184 129 90 40 36 70 153 197 253
18 377 347 305 183 129 88 41 34 78 153 198 246
19 364 348 297 184 128 87 42 36 82 156 196 254
20 398 334 285 178 130 86 39 39 84 157 194 280
21 380 360 279 179 136 83 38 40 86 158 198 299
22 371 353 281 175 130 76 37 43 89 160 199 407
23 363 332 311 170 132 69 36 45 91 164 203 420
24 359 322 326 167 131 69 35 45 92 166 213 307
25 323 341 315 162 130 68 37 46 96 166 206 269
26 313 334 301 158 129 66 37 44 97 166 202 253
27 346 323 283 151 127 65 36 43 98 166 204 272
28 342 333 270 150 127 63 36 43 101 167 208 298
29 332 417 268 149 129 64 36 45 105 169 201 293
30 312   281 151 132 61 36 47 106 175 200 315
31 302   296   133   37 48   175   379