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USGS Daily Statistics for Arizona

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Welcome to the NWIS-Web for the Arizona Water Science Center


The majority of USGS Gaging Stations are funded though a cooperative program between the USGS other interested agencies.
Follow this link for information on the Cooperative Water Program with the USGS.

Arizona Water Science Center Home Page
Colorado Basin River Forecast Center (CBRFC) - provided by the National Weather Service, AHPS. CBRFC on an interactive map.
Threatened and Endangered USGS Gaging Stations in Arizona

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 09400350 LITTLE COLORADO RIVER NEAR WINSLOW, AZ


Navajo County, Arizona
Hydrologic Unit Code 15020008
Latitude  35°00'42", Longitude 110°39'02" NAD27
Drainage area 16,192  square miles
Gage datum 4,863 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 2001-10-01 -> 2024-09-30)

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
1 163 207 299 444 83 5.9 25 873 142 69 21 40
2 162 159 370 401 70 5.8 46 715 210 40 11 60
3 87 139 499 324 59 5.7 39 530 181 196 8.4 42
4 99 117 480 329 51 5.8 16 441 123 364 9.8 46
5 197 180 402 366 41 5.7 8.4 520 82 187 91 160
6 125 181 357 374 35 8.9 27 433 45 316 26 52
7 140 135 364 350 31 8.9 20 448 45 257 21 56
8 234 112 404 298 25 7 15 530 170 313 15 176
9 190 112 404 296 21 5.9 12 304 152 183 13 418
10 143 137 383 312 19 5.4 39 247 214 149 11 217
11 121 154 359 338 17 5.2 45 187 493 65 12 130
12 145 288 476 354 16 5.4 19 241 550 35 16 108
13 142 678 668 415 14 5.2 36 333 234 22 13 57
14 126 439 809 462 12 5.5 120 166 221 15 11 60
15 100 450 747 319 11 4.9 208 248 267 16 15 60
16 78 730 729 293 10 5.1 151 263 142 85 12 39
17 67 451 748 267 25 4.8 177 189 97 340 16 41
18 70 352 685 249 13 4.8 122 240 46 168 13 72
19 81 441 591 247 11 4.7 85 357 58 73 17 73
20 74 536 553 242 9.6 4.7 131 273 127 55 16 61
21 70 317 498 216 9.1 4.7 112 296 68 47 22 35
22 113 262 549 207 10 4.7 139 333 299 53 74 26
23 119 327 855 185 21 33 185 195 619 29 165 79
24 102 419 750 168 14 45 333 190 360 42 113 158
25 124 310 664 165 11 8.6 615 117 110 20 34 109
26 138 323 549 168 9 5.5 452 225 50 13 32 64
27 138 292 471 148 7.8 17 756 213 31 23 24 41
28 346 278 438 123 7 71 625 128 163 18 22 39
29 786 238 393 104 6.6 54 611 115 228 31 28 30
30 411   360 94 6.5 45 662 89 157 17 65 688
31 352   409   6.2   737 151   16   379