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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 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 -> 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
1 382 308 348 300 151 135 60 36 47 113 173 214
2 332 311 376 282 148 133 58 35 48 121 173 237
3 291 317 367 264 150 130 58 35 48 123 174 243
4 280 323 333 249 150 129 54 35 47 124 173 236
5 277 318 318 246 150 130 53 35 48 125 173 237
6 274 315 309 238 145 128 52 36 51 126 174 221
7 263 356 303 232 144 125 50 35 53 130 177 225
8 264 346 307 226 143 121 49 35 52 131 179 229
9 262 339 305 220 148 118 47 36 51 133 179 231
10 270 332 299 214 153 116 46 36 52 141 181 234
11 291 325 303 202 151 112 44 36 53 146 182 243
12 280 324 310 193 148 108 44 35 54 150 186 242
13 290 325 297 191 143 106 42 34 56 155 186 241
14 301 334 293 192 135 103 42 34 59 153 192 252
15 328 322 287 190 130 102 43 34 63 153 190 264
16 389 326 293 186 127 96 42 35 65 153 194 251
17 399 328 295 182 128 90 40 36 70 152 197 252
18 375 344 304 181 129 87 41 34 78 153 197 245
19 362 346 296 182 128 86 42 36 82 156 195 253
20 396 332 284 177 130 85 39 39 84 157 194 278
21 377 357 278 177 135 82 38 40 86 158 197 297
22 369 350 279 174 130 75 37 43 89 160 199 404
23 361 330 309 168 131 68 36 45 91 164 202 417
24 357 320 324 165 131 69 35 45 92 166 212 305
25 321 339 313 161 130 68 37 46 96 166 206 268
26 312 332 299 156 128 66 37 44 97 166 201 252
27 345 321 281 150 126 65 36 43 98 165 204 270
28 341 331 268 148 126 63 36 43 101 167 208 297
29 331 405 266 148 128 64 36 45 105 168 200 292
30 311   280 149 131 61 36 47 106 175 199 313
31 300   294   132   37 48   175   376