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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 09014050 GRAND LAKE OUTLET BLW CHIPMUNK LN AT GRAND LK, CO


Grand County, Colorado
Hydrologic Unit Code 14010001
Latitude  40°14'46.0", Longitude 105°49'43.8" NAD83
Drainage area 76.4  square miles
Gage datum 8,365 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 2009-10-01 -> 2021-09-30)

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
1 474 466 431 376 264 -388 -158 165 221 135 107 42
2 426 465 441 363 234 -363 -111 171 200 154 112 54
3 437 469 459 367 221 -455 -78 189 300 171 85 59
4 450 472 463 339 235 -558 -53 142 247 180 53 65
5 473 474 458 343 216 -715 1.3 153 247 179 48 70
6 445 468 457 318 195 -748 9.9 232 277 154 35 66
7 460 451 431 331 193 -721 11 211 360 168 56 72
8 437 446 425 360 164 -759 -2.8 195 310 219 49 82
9 406 459 423 350 151 -666 42 211 315 216 46 76
10 414 466 421 339 134 -671 90 270 317 194 40 93
11 414 485 423 323 148 -639 108 215 300 182 37 94
12 369 445 431 332 147 -675 118 165 272 150 25 151
13 365 439 428 351 123 -632 106 232 247 175 30 225
14 381 467 416 351 62 -590 132 207 224 189 30 217
15 376 464 352 336 65 -483 104 189 257 222 24 268
16 408 466 392 326 43 -466 113 212 303 208 30 284
17 427 465 400 331 8.9 -496 158 253 299 214 31 250
18 397 467 402 326 -23 -418 145 212 255 218 4.5 254
19 413 465 392 323 -9.2 -433 87 200 253 228 -8.8 261
20 420 449 391 304 9.2 -415 139 245 292 218 -14 273
21 412 458 391 316 -4.3 -422 182 227 286 209 -12 349
22 398 454 404 294 -26 -355 204 219 283 252 -13 356
23 408 435 395 300 -99 -238 235 201 274 231 -11 372
24 419 437 405 288 -136 -228 166 251 295 245 3.7 374
25 409 429 405 270 -194 -198 133 252 264 252 41 389
26 401 420 375 249 -190 -173 161 214 234 248 78 392
27 398 433 376 282 -181 -171 202 269 227 262 65 405
28 402 413 366 269 -238 -135 179 236 217 252 50 427
29 399 463 396 281 -304 -163 190 210 161 260 41 429
30 403   403 274 -315 -170 193 224 143 186 51 466
31 417   403   -355   150 270   127   459