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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°15'45", Longitude 114°01'37" NAD27
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 -> 2020-09-30)

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 85 160 347 59 20 12 10 8.5 9.5 17 8.3 17
2 52 166 336 57 19 11 10 8.5 9.4 18 7.2 15
3 53 107 322 54 19 11 9.1 9.5 9.8 18 8.3 14
4 37 87 164 84 19 11 8.8 12 9.5 19 12 14
5 141 83 129 115 22 11 8.8 9.5 9.4 19 13 14
6 172 83 156 137 21 11 9.5 8.7 9.4 32 9.5 14
7 114 83 290 158 19 11 12 8.6 11 21 8.0 14
8 68 83 373 157 18 11 12 8.6 11 17 8.0 15
9 42 84 412 155 18 13 11 8.7 14 13 7.0 15
10 67 84 412 153 18 11 11 9.1 8.7 12 7.0 19
11 54 98 426 143 18 11 11 12 14 11 7.2 20
12 56 127 504 119 21 10 11 9.3 26 11 15 21
13 78 149 492 108 20 10 13 11 34 13 16 21
14 89 169 505 100 18 10 14 8.4 43 16 7.7 20
15 66 171 558 94 18 10 13 8.3 31 17 7.4 17
16 60 417 473 94 17 12 12 8.6 33 14 9.1 16
17 83 428 504 91 17 11 11 8.4 29 12 14 15
18 83 414 534 39 17 10 11 8.4 14 10 8.1 15
19 82 375 588 26 20 10 12 8.5 48 8.2 8.0 14
20 85 368 427 22 20 9.9 13 8.7 13 10 8.2 13
21 88 446 409 21 18 9.9 17 8.5 12 14 8.5 13
22 95 437 394 20 17 10 12 8.3 12 17 8.8 13
23 85 432 337 18 17 12 10 12 12 11 58 13
24 81 386 301 18 16 10 8.9 10 12 9.5 175 13
25 82 352 285 20 15 10 8.5 9.4 12 8.9 154 13
26 81 244 275 22 15 9.6 8.5 9.4 11 8.6 93 13
27 83 316 268 23 14 9.5 10 10 15 10 47 13
28 79 345 266 21 13 9.5 13 9.6 11 14 31 13
29 92 11 230 21 13 9.2 9.9 10 11 15 16 13
30 119   112 21 12 9.0 9.2 32 14 11 17 13
31 126   94   12   8.8 9.9   9.5   68