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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 09519501 GILA R BLW GILLESPIE DAM, AZ (LOW-FLOW STATION)


Maricopa County, Arizona
Hydrologic Unit Code 15070101
Latitude  33°13'45", Longitude 112°46'00" NAD27
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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 1992-10-01 -> 2022-09-30)

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
1 150 871 1,510 645 362 25 4.3 12 13 37 47 93
2 422 880 1,400 715 341 21 5.6 10 14 37 49 88
3 493 809 1,510 607 315 16 7.3 7.6 14 37 52 86
4 525 738 1,680 558 281 17 7.5 4.8 12 37 51 99
5 612 597 1,570 563 255 18 5.5 5.4 10 38 48 94
6 787 604 1,670 572 220 15 3.6 7.8 13 41 48 95
7 973 708 2,860 537 110 16 4.4 10 15 56 52 94
8 1,320 757 2,210 522 86 16 6.2 8.7 23 51 50 110
9 5,830 984 1,940 543 199 17 9.2 8.6 100 45 46 108
10 2,780 1,400 1,340 552 237 17 7.6 7.8 103 39 42 110
11 3,390 1,390 1,230 424 313 14 11 26 66 35 40 109
12 2,940 1,380 1,120 368 279 13 9.1 19 45 33 40 97
13 2,710 942 1,030 348 231 8.1 8.2 12 35 35 43 92
14 2,890 946 1,120 519 241 4.8 8.3 11 25 38 44 87
15 2,880 1,360 1,070 513 259 5.8 15 10 21 54 46 90
16 3,520 3,140 1,080 399 254 5.3 8.9 12 28 43 82 79
17 3,310 2,090 1,120 275 276 6 11 12 20 41 73 85
18 3,960 1,540 1,130 237 208 10 11 9.8 18 46 70 87
19 3,740 1,260 1,040 218 53 11 16 11 16 47 62 84
20 3,110 1,960 1,070 207 32 10 13 19 16 53 59 82
21 3,760 3,120 1,040 178 26 11 9.8 21 21 49 57 83
22 3,690 2,640 988 166 28 9.8 6.4 25 22 44 63 86
23 2,940 2,430 1,020 168 20 7.1 5.3 44 19 48 65 108
24 2,600 2,130 952 161 20 6.4 5.6 23 21 47 64 121
25 2,180 1,720 789 141 24 5.1 6.3 12 27 45 64 123
26 1,700 1,620 740 122 115 7.5 21 11 27 45 68 109
27 1,220 1,460 756 107 165 6.5 8.3 12 28 55 74 86
28 1,000 1,480 788 97 163 6 6.7 20 24 51 75 94
29 842 229 666 239 121 4.6 9.6 35 36 45 81 94
30 767   586 279 44 3.7 12 44 27 46 87 107
31 771   568   29   13 19   46   110