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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 -> 2021-09-30)

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
1 155 910 1,650 707 380 26 4.5 13 14 38 50 97
2 440 920 1,530 783 357 22 5.9 10 14 38 51 92
3 514 846 1,660 665 330 17 7.7 8 15 39 54 90
4 549 808 1,840 611 295 18 7.9 5 13 39 53 103
5 640 654 1,720 617 267 18 5.7 5.6 10 40 50 99
6 823 661 1,830 627 231 16 3.8 8.1 13 43 50 99
7 1,020 775 3,130 588 115 17 4.6 10 16 59 54 98
8 1,380 829 2,420 571 90 17 6.5 9.1 24 53 52 115
9 6,090 1,080 2,130 594 208 17 9.6 9 105 47 48 113
10 2,900 1,540 1,470 605 249 18 7.9 8.2 108 41 42 115
11 3,550 1,530 1,350 465 327 14 12 27 69 36 39 114
12 3,080 1,510 1,220 403 292 14 9.5 20 47 34 39 102
13 2,830 1,030 1,130 365 242 8.5 8.6 12 36 37 42 96
14 3,030 1,040 1,220 543 253 5.1 8.7 9.1 26 40 43 91
15 3,010 1,490 1,170 537 271 6 16 8.3 23 56 45 94
16 3,680 3,440 1,180 418 266 5.5 9.3 9.4 30 45 83 82
17 3,460 2,290 1,220 288 290 6.3 12 8.7 21 43 76 88
18 4,140 1,680 1,240 248 218 11 12 6 19 48 73 91
19 3,910 1,380 1,140 229 56 12 17 7.9 17 49 65 88
20 3,250 2,140 1,170 217 34 11 14 16 17 55 61 86
21 3,930 3,420 1,130 186 28 11 10 19 22 51 58 87
22 3,860 2,890 1,080 174 29 10 6.7 22 23 46 64 90
23 3,070 2,660 1,110 176 21 7.5 5.5 42 20 50 67 113
24 2,720 2,330 1,040 169 21 6.7 5.8 21 22 49 66 127
25 2,280 1,880 864 148 25 5.4 6.6 11 28 47 67 127
26 1,780 1,780 811 127 121 7.9 22 12 28 47 71 113
27 1,270 1,600 828 112 173 6.9 8.7 13 29 58 77 89
28 1,050 1,620 864 102 171 6.2 7 21 25 54 79 96
29 880 229 730 251 127 4.8 10 36 38 47 85 96
30 802   642 293 46 3.9 12 46 28 48 91 110
31 806   622   31   14 20   48   114