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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 09426000 BILL WILLIAMS RIVER BELOW ALAMO DAM, AZ


La Paz County, Arizona
Hydrologic Unit Code 15030204
Latitude  34°13'51.9", Longitude 113°36'35.75" NAD83
Drainage area 4,633  square miles
Contributing drainage area 4,623  square miles
Gage datum 954.09 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 1969-10-01 -> 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 79 132 301 162 77 50 61 69 73 73 36 47
2 69 126 291 140 74 51 67 69 79 70 39 42
3 63 99 298 158 77 50 67 73 76 64 41 43
4 68 90 246 172 79 53 67 71 68 61 41 43
5 135 92 248 182 77 57 68 70 62 62 37 43
6 122 95 279 184 75 56 71 70 65 62 37 44
7 98 99 411 191 75 57 74 71 70 69 36 49
8 76 101 458 193 76 61 73 70 81 63 37 49
9 64 96 458 194 73 58 75 70 89 56 43 45
10 67 100 477 161 73 57 76 74 93 54 61 45
11 56 118 496 122 77 59 75 74 94 55 60 45
12 83 141 530 119 72 62 76 71 93 60 53 43
13 117 172 588 118 71 55 80 64 96 60 41 40
14 109 171 588 115 71 54 81 65 94 58 41 38
15 86 232 532 129 73 55 78 70 92 47 46 37
16 79 322 546 140 73 56 77 73 86 42 50 38
17 78 305 570 114 74 53 77 68 85 42 42 38
18 75 304 568 100 77 48 76 63 86 43 51 37
19 77 306 535 100 75 45 77 63 87 67 59 36
20 74 332 541 97 74 44 80 70 87 81 57 38
21 71 375 571 98 63 45 70 75 84 80 49 39
22 72 371 513 100 52 54 67 74 78 78 48 40
23 74 349 474 90 49 50 68 74 77 62 136 41
24 73 342 431 84 44 49 69 69 77 41 163 40
25 72 285 419 86 42 53 68 70 77 42 134 39
26 74 297 407 83 50 48 70 79 76 45 96 39
27 73 295 371 79 50 44 74 77 76 46 64 38
28 88 294 333 84 46 44 74 75 77 45 44 39
29 119 288 301 83 50 46 69 78 79 42 39 40
30 119   242 78 48 54 65 81 78 42 49 71
31 121   221   48   67 75   39   104