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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 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 500 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 1988-10-01 -> 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 77 143 309 87 43 18 11 8.4 9.5 16 8.7 17
2 47 148 299 88 40 18 11 8.4 9.4 17 7.7 15
3 48 96 287 88 40 18 9.5 9.3 9.8 17 8.6 14
4 34 78 147 113 38 18 9.1 12 9.5 18 12 14
5 127 75 115 141 37 17 9 9.3 9.4 18 13 14
6 154 75 140 160 31 17 9.6 8.5 9.4 29 9.8 14
7 102 75 258 178 27 17 12 8.4 11 19 8.5 14
8 62 75 331 177 25 18 11 8.4 11 16 8.5 14
9 39 76 366 174 24 20 11 8.5 13 12 7.6 14
10 60 75 366 173 24 18 11 8.9 8.7 12 7.6 18
11 49 88 379 163 24 18 11 11 13 11 7.9 19
12 51 114 448 140 26 17 11 11 24 11 14 20
13 70 133 437 131 26 17 13 12 31 12 15 20
14 80 151 448 123 24 15 13 13 39 16 8.3 19
15 60 153 495 119 24 12 12 22 29 17 8 17
16 54 371 422 126 23 13 11 8.7 31 13 9.3 16
17 75 380 448 127 23 11 11 8.4 26 12 14 15
18 75 368 474 79 23 11 11 8.4 13 10 8.4 14
19 74 333 522 67 25 11 11 8.5 43 8.4 8.4 14
20 76 327 379 63 25 10 12 8.7 12 10 8.5 13
21 79 396 381 57 24 10 16 8.4 12 14 8.8 13
22 86 389 474 53 23 10 11 8.3 11 16 9.1 13
23 76 384 392 51 22 12 9.8 12 11 11 54 13
24 73 344 355 47 22 11 8.8 11 11 9.6 161 13
25 74 313 307 46 21 11 8.5 10 11 9.1 141 13
26 73 217 282 49 20 12 8.4 9.6 11 8.8 83 13
27 75 281 273 49 20 12 9.8 10 15 10 43 13
28 72 307 271 46 19 11 13 9.6 11 14 28 13
29 83 11 240 44 19 10 9.6 10 11 15 16 13
30 107   134 45 19 9.6 10 29 13 11 16 13
31 113   118   18   8.7 9.8   9.6   62