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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 -> 2024-09-30)

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
1 144 835 1,450 934 335 23 4 11 12 34 44 86
2 406 844 1,340 1,000 314 20 5.3 9.3 13 34 45 82
3 473 776 1,450 895 290 15 6.8 7.1 13 34 48 79
4 504 708 1,610 844 259 16 7 4.5 11 34 47 91
5 588 574 1,510 861 234 16 5.1 5 9.2 35 45 87
6 756 581 1,600 854 202 14 3.5 7.2 12 38 44 87
7 933 680 2,740 803 103 15 4.1 9.3 14 52 49 87
8 1,270 727 2,110 872 89 15 5.8 8 21 47 48 101
9 5,580 943 1,860 919 190 16 8.5 7.9 92 41 44 99
10 2,660 1,350 1,290 898 224 16 7.1 7.2 94 36 40 101
11 3,250 1,340 1,180 781 293 13 10 24 61 32 38 101
12 2,820 1,330 1,070 649 260 12 8.4 18 42 30 38 90
13 2,590 903 985 597 213 7.7 7.6 11 32 32 42 85
14 2,770 906 1,070 764 222 4.7 7.7 10 23 35 43 84
15 2,760 1,310 1,030 769 238 5.5 14 9.5 20 50 44 86
16 3,370 3,010 1,030 624 233 5.1 8.3 11 26 51 77 75
17 3,170 2,010 1,070 465 254 5.7 10 11 18 49 68 81
18 3,800 1,470 1,110 415 191 9.5 10 9.2 16 48 66 84
19 3,590 1,210 1,340 363 50 10 15 11 15 44 60 81
20 2,980 1,870 1,480 268 30 9.8 12 17 15 49 58 79
21 3,600 2,990 1,470 208 25 10 9.1 20 19 45 56 80
22 3,540 2,530 1,480 184 26 9.1 6 23 20 40 61 83
23 2,820 2,330 1,640 179 19 6.7 5 40 18 44 63 104
24 2,490 2,040 1,820 167 19 6 5.2 21 19 44 60 117
25 2,090 1,650 2,090 140 22 4.8 5.9 11 25 41 59 120
26 1,630 1,560 1,410 117 106 7 19 10 25 42 63 105
27 1,170 1,400 1,080 102 152 6.1 7.7 11 26 51 68 83
28 962 1,420 1,060 92 150 5.6 6.3 19 22 47 69 91
29 807 229 931 222 111 4.3 8.9 32 33 41 75 91
30 735   855 259 41 3.5 11 40 25 42 80 103
31 739   839   27   12 17   43   106