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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 09346400 SAN JUAN RIVER NEAR CARRACAS, CO.


Archuleta County, Colorado
Hydrologic Unit Code 14080101
Latitude  37°00'49", Longitude 107°18'42" NAD27
Drainage area 1,250  square miles
Gage datum 6,090.00 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 1970-10-01 -> 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
1 157 152 256 675 1,240 1,800 923 308 272 284 251 190
2 154 149 268 735 1,280 1,810 870 311 245 276 288 183
3 152 150 279 711 1,290 1,810 804 323 244 287 261 178
4 154 150 300 737 1,320 1,800 759 344 233 275 246 176
5 158 150 319 757 1,350 1,790 707 326 227 301 233 174
6 157 149 411 803 1,360 1,830 671 343 214 288 228 171
7 155 150 365 817 1,380 1,860 635 345 212 295 227 174
8 153 156 357 843 1,400 1,870 607 325 214 314 222 199
9 154 158 363 870 1,410 1,810 612 283 216 292 224 180
10 156 160 388 883 1,420 1,760 594 271 273 288 214 171
11 168 163 428 882 1,440 1,680 556 284 263 284 212 169
12 163 186 664 897 1,440 1,630 524 278 271 301 223 165
13 157 182 567 924 1,470 1,610 488 270 276 291 219 164
14 155 183 554 929 1,550 1,600 463 259 270 276 215 160
15 156 192 569 962 1,650 1,560 438 279 263 289 213 158
16 157 190 597 997 1,730 1,520 436 276 269 289 214 157
17 154 190 606 1,090 1,780 1,470 418 261 258 272 209 158
18 152 193 617 1,120 1,760 1,430 408 248 256 275 203 159
19 150 217 627 1,130 1,780 1,400 392 230 274 302 216 159
20 151 226 653 1,080 1,820 1,340 371 234 322 349 203 158
21 151 218 687 1,080 1,860 1,300 368 233 322 292 199 158
22 151 218 727 1,130 1,890 1,290 353 232 308 272 196 157
23 149 223 687 1,130 1,870 1,220 335 243 320 261 196 157
24 148 216 685 1,160 1,850 1,160 327 297 292 260 192 156
25 150 218 691 1,170 1,800 1,130 328 355 262 254 188 153
26 149 223 715 1,150 1,780 1,120 330 311 247 268 185 153
27 155 234 716 1,120 1,850 1,070 347 277 227 266 178 157
28 155 242 699 1,120 1,850 1,030 324 342 227 263 176 160
29 154 276 679 1,170 1,890 970 336 317 259 253 179 162
30 151   632 1,190 1,880 947 348 270 285 244 176 164
31 151   651   1,810   332 260   243   159