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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 -> 2018-09-30)

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
1 474 449 434 345 323 -426.00 -128.00 113 142 135 107 42
2 426 450 438 334 296 -401.00 -65.00 128 132 154 112 54
3 437 455 439 343 279 -526.00 -23.00 147 233 171 85 59
4 450 461 446 306 296 -597.00 2.1 99 198 180 53 65
5 473 462 443 324 264 -791.00 47 97 193 179 48 70
6 445 456 442 326 230 -834.00 45 171 231 154 35 66
7 460 436 438 352 227 -798.00 41 161 334 168 56 72
8 437 426 431 359 169 -834.00 4.7 148 294 219 49 82
9 406 444 429 354 143 -737.00 48 180 308 216 46 76
10 414 450 429 356 121 -799.00 80 219 319 194 40 93
11 414 479 428 337 147 -769.00 96 144 308 182 37 94
12 369 423 440 356 145 -831.00 107 86 270 150 25 151
13 365 411 443 368 122 -731.00 96 160 260 175 30 225
14 381 452 433 365 59 -642.00 134 143 264 189 30 217
15 376 449 353 341 58 -522.00 105 111 286 222 24 268
16 408 449 416 321 37 -521.00 119 120 288 208 30 284
17 427 455 427 332 12 -583.00 172 188 285 214 31 250
18 397 457 425 316 0.37 -503.00 133 142 261 218 4.5 254
19 413 451 414 318 45 -527.00 28 104 257 228 -8.80 261
20 420 442 412 300 79 -499.00 84 168 284 218 -14.00 273
21 412 450 413 316 52 -487.00 141 168 282 209 -12.00 349
22 398 452 422 290 -25.00 -431.00 164 155 282 252 -13.00 356
23 408 426 410 299 -104.00 -307.00 208 134 258 231 -11.00 372
24 419 427 417 285 -197.00 -296.00 150 178 286 245 3.7 374
25 409 415 419 265 -289.00 -271.00 91 164 279 252 41 389
26 401 410 375 263 -298.00 -249.00 111 122 241 248 78 392
27 398 424 381 331 -262.00 -232.00 139 187 198 262 65 405
28 402 430 367 333 -305.00 -156.00 109 170 179 252 50 427
29 399 496 366 337 -386.00 -137.00 119 132 153 260 41 429
30 403   380 317 -359.00 -161.00 114 131 142 186 51 466
31 417   375   -390.00   85 204   127   459