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  • UPDATE, 11/9: As of November 8, the USGS has successfully restored all of the operational gages that stopped transmitting due to an issue with the satellite telemetry system that records and transmits data. The USGS will now focus on restoring other equipment that experienced the telemetry issues, including about 85 rapid deployment gages that are used periodically for emergency response. Read more

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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 a esri powered 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 09426000 BILL WILLIAMS RIVER BELOW ALAMO DAM, AZ


La Paz County, Arizona
Hydrologic Unit Code 15030204
Latitude  34°13'51", Longitude 113°36'29" NAD27
Drainage area 4,633  square miles
Contributing drainage area 4,623  square miles
Gage datum 967 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 48 - 49 years of record in, ft3/s   (Calculation Period 1969-10-01 -> 2018-09-30)

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 87 148 340 145 60 45 66 74 80 80 38 51
2 75 141 329 119 58 45 73 75 86 77 42 45
3 69 110 337 139 62 45 73 78 83 70 43 45
4 75 99 278 155 69 47 72 77 74 67 43 46
5 151 102 280 167 69 52 73 76 67 67 39 46
6 137 105 315 169 67 50 77 75 70 68 39 47
7 109 110 466 177 68 52 80 76 75 76 38 52
8 84 112 520 179 70 56 79 75 88 68 39 53
9 70 106 520 180 68 53 82 76 98 60 46 49
10 73 111 542 143 69 52 83 80 103 58 66 48
11 61 131 563 97 73 55 81 79 104 60 66 48
12 92 157 602 94 69 57 83 75 102 65 58 46
13 130 193 668 94 68 56 88 69 107 65 44 43
14 121 192 668 90 68 58 88 69 104 63 43 41
15 95 262 605 102 72 60 85 75 101 51 49 39
16 87 365 620 113 71 56 84 79 95 45 53 40
17 86 345 644 84 72 50 84 73 94 44 45 41
18 82 344 636 68 76 48 83 68 95 45 56 39
19 85 347 598 68 74 48 84 67 96 74 63 38
20 82 376 548 67 72 46 87 75 97 89 61 41
21 78 425 544 70 59 48 77 80 93 89 53 41
22 79 420 497 72 47 53 73 79 86 86 52 43
23 81 396 464 64 44 48 74 80 85 67 152 44
24 81 387 443 60 38 46 74 74 85 44 183 42
25 80 322 442 62 36 48 74 74 85 44 149 42
26 81 336 428 59 45 48 75 85 83 48 107 41
27 81 333 388 58 44 47 80 83 83 49 69 41
28 86 333 345 61 41 46 80 82 84 48 47 42
29 122 332 308 63 44 48 75 84 87 45 42 43
30 122   240 59 42 58 70 89 86 44 53 77
31 132   217   42   73 82   41   116