Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

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
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 -> 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
1 474 443 410 330 252 -315 -161 219 268 124 107 42
2 426 443 417 313 238 -303 -106 227 254 139 112 54
3 437 448 424 315 225 -407 -70 219 335 153 85 59
4 450 449 428 295 228 -541 -56 193 295 157 53 65
5 473 448 423 300 209 -691 -4.8 205 292 160 48 70
6 445 443 426 290 196 -741 5.8 256 310 137 35 66
7 460 431 405 308 198 -732 13 248 369 152 56 72
8 437 428 404 326 163 -780 9.6 248 331 192 49 82
9 406 419 409 315 144 -710 59 260 335 190 46 76
10 414 445 407 308 120 -716 97 296 339 168 40 93
11 414 458 418 293 137 -681 110 246 324 178 37 94
12 369 425 425 296 130 -712 111 215 297 143 25 151
13 365 410 424 311 126 -666 103 279 260 161 30 225
14 381 440 397 309 76 -609 135 258 243 174 30 217
15 376 442 347 304 64 -466 126 240 266 202 24 268
16 408 444 377 291 14 -455 132 247 305 189 30 284
17 427 443 387 293 1.9 -494 163 285 298 194 31 250
18 397 444 411 292 -35 -413 160 251 258 190 4.5 254
19 413 444 404 286 -37 -409 114 250 256 202 -8.8 261
20 420 431 402 275 -8.1 -410 163 288 286 194 -14 273
21 412 434 394 281 4.8 -408 203 273 277 184 -12 349
22 398 431 410 261 -3.7 -343 235 268 273 246 -13 356
23 408 417 386 268 -56 -239 259 252 275 241 -11 372
24 419 421 373 261 -98 -231 194 287 292 252 3.7 374
25 409 416 364 243 -141 -210 176 284 268 260 41 389
26 401 406 339 232 -154 -184 209 252 241 253 78 392
27 398 415 339 250 -153 -181 237 280 224 267 65 405
28 402 396 329 265 -205 -169 217 258 214 259 50 427
29 399 315 352 276 -257 -180 234 254 160 256 41 429
30 403   349 268 -270 -182 232 270 143 170 51 466
31 417   345   -303   198 305   117   459