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USGS Surface-Water 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 1,510 645 347 23 4.1 12 13 37 47 93
2 422 880 1,400 715 326 20 5.4 10 14 37 49 88
3 493 809 1,510 607 301 15 7 7.6 14 37 52 86
4 525 738 1,680 558 269 17 7.2 4.8 12 37 51 99
5 612 597 1,570 563 243 17 5.2 5.4 10 38 48 94
6 787 604 1,670 572 211 15 3.5 7.8 13 41 48 95
7 973 708 2,860 537 105 16 4.2 10 15 56 52 94
8 1,320 757 2,210 522 83 15 5.9 8.7 23 51 50 110
9 5,830 984 1,940 543 190 16 8.8 8.6 100 45 46 108
10 2,780 1,400 1,340 552 227 16 7.2 7.8 103 39 42 110
11 3,390 1,390 1,230 424 299 13 11 26 66 35 40 109
12 2,940 1,380 1,120 368 267 12 8.7 19 45 33 40 97
13 2,710 942 1,030 333 221 7.8 7.8 12 35 35 43 92
14 2,890 946 1,120 496 231 4.6 8 11 25 38 44 87
15 2,880 1,360 1,070 491 248 5.5 15 10 21 54 46 90
16 3,520 3,140 1,080 381 243 5.1 8.5 12 28 43 82 79
17 3,310 2,090 1,120 263 264 5.8 11 12 20 41 73 85
18 3,960 1,540 1,130 227 199 9.7 11 9.8 18 46 70 87
19 3,740 1,260 1,040 209 51 11 15 11 16 47 62 84
20 3,110 1,960 1,070 198 31 10 13 19 16 53 59 82
21 3,760 3,120 1,040 170 25 10 9.8 21 21 49 57 83
22 3,690 2,640 988 159 26 9.4 6.4 25 22 44 63 86
23 2,940 2,430 1,020 160 19 6.8 5.3 44 19 48 65 108
24 2,600 2,130 952 154 19 6.1 5.6 23 21 47 64 121
25 2,180 1,720 789 135 23 4.9 6.3 12 27 45 64 123
26 1,700 1,620 740 116 110 7.2 21 11 27 45 68 109
27 1,220 1,460 756 102 158 6.3 8.3 12 28 55 74 86
28 1,000 1,480 788 93 156 5.7 6.7 20 24 51 75 94
29 842 229 666 229 116 4.4 9.6 35 36 45 81 94
30 767   586 267 42 3.6 12 44 27 46 87 107
31 771   568   28   13 19   46   110