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USGS Daily Statistics for Colorado

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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
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 -> 2019-09-30)

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
1 474 459 440 376 324 -346 -212 140 159 135 107 42
2 426 461 452 365 303 -325 -160 152 152 154 112 54
3 437 465 454 374 286 -452 -115 168 254 171 85 59
4 450 471 461 339 302 -550 -88 128 217 180 53 65
5 473 472 457 353 266 -733 -24 122 217 179 48 70
6 445 466 455 354 237 -775 -17 191 253 154 35 66
7 460 448 423 375 233 -762 -21 178 343 168 56 72
8 437 439 413 383 182 -822 -52 166 292 219 49 82
9 406 455 409 371 159 -733 -9 197 320 216 46 76
10 414 461 409 356 139 -756 35 230 329 194 40 93
11 414 489 411 339 162 -727 57 162 323 182 37 94
12 369 438 421 359 160 -776 65 107 287 150 25 151
13 365 427 424 374 139 -715 55 173 278 175 30 225
14 381 464 415 373 85 -647 90 157 262 189 30 217
15 376 460 346 354 85 -521 64 142 282 222 24 268
16 408 459 397 342 62 -528 72 153 305 208 30 284
17 427 461 406 347 39 -577 122 207 299 214 31 250
18 397 464 405 335 31 -494 103 158 279 218 4.5 254
19 413 461 393 335 72 -528 32 133 277 228 -8.8 261
20 420 436 387 311 104 -510 95 198 300 218 -14 273
21 412 451 388 324 80 -531 144 193 280 209 -12 349
22 398 461 405 300 11 -445 169 181 281 252 -13 356
23 408 441 394 306 -60 -303 213 163 273 231 -11 372
24 419 443 403 293 -143 -283 142 199 297 245 3.7 374
25 409 432 405 271 -223 -258 108 191 288 252 41 389
26 401 427 367 266 -232 -228 132 155 254 248 78 392
27 398 441 371 311 -202 -220 156 212 217 262 65 405
28 402 418 360 302 -240 -178 126 197 188 252 50 427
29 399 496 393 316 -311 -214 139 165 160 260 41 429
30 403   405 321 -287 -224 142 162 151 186 51 466
31 417   403   -315   111 229   127   459