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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 09426620 BILL WILLIAMS RIVER NEAR PARKER, AZ


La Paz County, Arizona
Hydrologic Unit Code 15030204
Latitude  34°15'40.45", Longitude 114°01'44.33" NAD83
Drainage area 5,337  square miles
Contributing drainage area 5,327  square miles
Gage datum 501.62 feet above NAVD88
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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 1988-10-01 -> 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 73 137 293 85 42 18 10 8.3 9.3 16 8.5 16
2 46 141 284 86 40 17 10 8.2 9.2 17 7.6 14
3 46 91 272 86 39 17 9.3 9.1 9.5 17 8.5 14
4 33 75 139 110 38 17 9 11 9.2 17 12 14
5 121 72 110 138 36 17 8.9 9.1 9.2 18 13 14
6 146 72 133 156 30 17 9.5 8.3 9.1 29 9.7 14
7 97 72 245 174 26 17 12 8.2 11 19 8.4 14
8 59 72 314 172 24 17 11 8.2 11 16 8.4 14
9 37 73 347 170 24 19 11 8.3 13 12 7.5 14
10 58 72 347 169 24 18 11 8.7 8.5 11 7.5 18
11 47 85 359 159 24 17 11 11 13 11 7.8 19
12 49 109 425 137 26 17 11 11 24 11 14 19
13 67 127 414 128 26 17 13 11 30 12 15 19
14 76 143 425 120 24 15 13 13 38 15 8.2 19
15 57 146 469 116 23 12 12 22 28 16 7.9 17
16 52 351 400 123 23 13 11 8.5 30 13 9.5 16
17 72 361 424 124 23 11 11 8.2 26 11 14 15
18 71 349 449 77 23 10 11 8.2 13 9.9 8.6 15
19 71 316 508 66 25 10 11 8.3 42 8.2 8.6 14
20 73 310 369 62 25 10 12 8.4 12 9.8 8.7 13
21 76 376 371 55 24 10 15 8.2 12 13 8.9 13
22 82 368 461 51 22 10 11 8.1 11 15 9.3 13
23 73 364 382 50 22 12 9.5 12 11 11 52 13
24 70 326 346 46 21 10 8.6 11 11 9.4 153 13
25 71 297 299 45 20 11 8.3 9.7 11 8.9 135 13
26 70 206 275 48 20 12 8.2 9.3 11 8.7 79 13
27 72 267 266 48 19 12 9.5 10 14 10 41 13
28 69 291 264 45 18 11 12 9.4 11 13 27 13
29 79 12 234 44 18 9.9 9.4 9.8 10 14 16 13
30 102   131 44 18 9.5 10 28 13 11 16 13
31 107   115   18   8.5 9.6   9.5   59