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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 11160500 SAN LORENZO R A BIG TREES CA


Santa Cruz County, California
Hydrologic Unit Code 18060001
Latitude  37°02'40", Longitude 122°04'17" NAD27
Drainage area 106  square miles
Gage datum 227.00 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 81 - 82 years of record in, ft3/s   (Calculation Period 1936-10-01 -> 2018-09-30)

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
1 261 382 362 279 105 52 32 22 18 17 23 93
2 239 345 393 287 98 51 31 22 18 17 23 170
3 195 376 320 275 94 50 31 22 18 17 23 130
4 420 326 335 298 90 52 30 22 18 17 24 122
5 286 326 324 251 87 50 30 22 18 18 27 100
6 210 388 322 224 84 48 29 21 18 17 33 90
7 225 479 291 205 82 47 29 21 18 18 27 118
8 267 369 271 184 80 46 29 21 18 17 29 125
9 295 445 292 177 78 45 29 21 18 18 30 89
10 282 381 385 191 75 44 28 21 18 21 37 145
11 253 368 296 247 73 44 28 21 18 20 37 140
12 299 394 289 206 72 43 28 20 18 19 44 103
13 302 442 318 193 72 42 27 20 17 84 57 80
14 369 430 320 177 70 41 27 20 17 34 60 100
15 256 427 329 160 69 41 27 20 17 24 57 111
16 351 434 338 156 72 41 26 20 17 28 57 134
17 255 467 264 152 68 39 26 20 17 24 70 91
18 284 426 224 142 74 38 26 20 25 20 109 115
19 300 529 228 136 70 38 26 20 20 25 89 143
20 359 429 244 129 65 37 25 20 18 20 78 138
21 476 393 260 130 64 36 25 20 17 20 55 176
22 397 310 283 121 62 36 25 19 17 20 48 277
23 352 323 269 120 59 35 25 19 17 22 46 422
24 471 309 307 116 58 35 24 19 17 23 53 203
25 426 336 288 112 58 34 24 19 17 24 44 184
26 388 299 250 110 56 34 24 19 17 26 46 194
27 325 467 242 116 55 34 23 19 17 21 42 217
28 252 409 262 125 60 34 23 18 17 22 55 216
29 250 353 237 116 56 34 23 18 17 25 67 253
30 343   333 116 54 33 23 18 18 28 74 229
31 382   332   53   23 18   24   238