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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 73 136 250 367 410 364 249 184 190 153 100
2 73 73 141 267 373 401 357 225 177 179 156 103
3 71 75 150 257 377 410 340 238 180 183 139 102
4 74 77 161 274 376 425 331 238 180 181 136 102
5 73 78 161 291 391 435 310 239 179 181 134 102
6 73 81 186 296 395 458 285 256 196 172 134 108
7 73 80 179 297 402 480 270 229 173 168 132 118
8 72 83 189 319 405 456 272 198 171 166 127 116
9 72 92 201 332 405 469 275 188 182 177 129 108
10 76 96 207 319 402 503 267 195 190 176 125 102
11 83 96 222 293 398 544 251 202 194 175 125 102
12 78 114 259 291 406 543 249 205 193 177 124 101
13 74 103 249 309 390 523 242 193 193 175 120 98
14 73 113 242 314 397 532 224 183 192 167 116 93
15 74 108 240 320 391 524 221 184 190 174 116 87
16 72 104 250 337 374 520 214 194 189 176 118 86
17 72 104 245 345 358 494 226 195 190 177 115 87
18 71 105 240 353 351 489 218 189 184 183 110 82
19 71 121 251 356 349 469 217 193 191 190 111 81
20 71 122 258 354 348 450 215 191 195 219 111 82
21 70 112 274 361 358 442 212 200 210 196 111 80
22 69 120 280 358 382 436 220 200 215 182 110 81
23 69 121 272 365 374 432 233 201 225 170 110 82
24 68 121 259 363 384 418 231 215 205 169 107 83
25 69 122 257 352 385 419 235 213 201 167 117 82
26 69 123 263 342 384 412 246 203 201 179 112 82
27 75 129 272 368 376 408 264 198 191 173 106 86
28 72 131 265 373 361 385 257 205 195 167 99 88
29 70 136 259 374 372 379 239 199 201 167 97 83
30 70   247 370 383 369 239 203 197 153 97 82
31 73   250   396   269 199   151   78