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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 09354500 LOS PINOS RIVER AT LA BOCA, CO.


La Plata County, Colorado
Hydrologic Unit Code 14080101
Latitude  37°00'34", Longitude 107°35'56" NAD27
Drainage area 519  square miles
Gage datum 6,143.58 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 1950-10-01 -> 2025-09-30)

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 75 73 136 250 367 410 364 249 184 190 151 100
2 73 73 141 267 373 401 357 225 177 179 154 102
3 71 75 150 257 377 410 340 238 180 183 138 101
4 73 77 161 274 376 425 331 238 180 180 135 101
5 73 78 161 291 391 435 310 239 179 179 133 101
6 72 81 186 296 395 458 285 256 196 170 133 107
7 72 80 179 297 402 480 270 229 173 167 131 117
8 72 83 189 319 405 456 272 198 171 164 126 115
9 71 92 201 332 405 469 275 188 182 176 128 107
10 75 96 207 319 402 503 267 195 190 175 124 101
11 82 96 222 293 398 544 251 202 194 173 124 101
12 77 114 259 291 406 543 249 205 193 176 123 100
13 74 103 249 309 390 523 242 193 193 173 119 97
14 73 113 242 314 397 532 224 183 192 166 115 93
15 74 108 240 320 391 524 221 184 190 172 115 86
16 72 104 250 337 374 520 214 194 189 175 117 85
17 72 104 245 345 358 494 226 195 190 175 114 86
18 71 105 240 353 351 489 218 189 184 182 109 82
19 71 121 251 356 349 469 217 193 191 190 111 80
20 71 122 258 354 348 450 215 191 195 219 110 81
21 70 112 274 361 358 442 212 200 210 196 110 79
22 69 120 280 358 382 436 220 200 215 181 109 80
23 69 121 272 365 374 432 233 201 225 169 110 81
24 68 121 259 363 384 418 231 215 205 167 107 82
25 69 122 257 352 385 419 235 213 201 165 116 81
26 69 123 263 342 384 412 246 203 201 177 111 81
27 75 129 272 368 376 408 264 198 191 171 106 85
28 72 131 265 373 361 385 257 205 195 165 99 87
29 70 136 259 374 372 379 239 199 201 165 96 82
30 70   247 370 383 369 239 203 197 151 96 81
31 73   250   396   269 199   149   77