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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 09439000 GILA RIVER AT DUNCAN, AZ


Greenlee County, Arizona
Hydrologic Unit Code 15040002
Latitude  32°43'28", Longitude 109°05'57" NAD83
Drainage area 3,589  square miles
Gage datum 3,630.75 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 2002-10-01 -> 2023-09-30)

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
1 169 365 296 225 98 23 32 284 189 121 84 181
2 189 308 275 223 93 20 20 224 174 120 84 141
3 199 274 258 210 89 18 14 193 172 101 82 128
4 200 280 241 194 83 16 22 256 156 92 79 121
5 284 264 232 191 78 14 18 201 141 85 79 117
6 429 248 235 203 74 14 21 193 177 92 79 125
7 284 242 240 210 70 12 137 204 160 95 80 134
8 240 234 252 207 69 11 111 194 159 104 79 132
9 216 229 300 202 68 9.9 47 180 179 227 78 139
10 199 235 312 198 67 11 157 166 178 293 76 177
11 189 253 305 197 64 9.6 111 175 228 229 77 156
12 181 726 297 194 62 9.3 41 170 299 176 76 144
13 175 1,690 305 192 60 8.6 34 170 290 142 78 135
14 171 804 397 189 57 9.2 32 235 310 128 79 129
15 174 622 433 182 55 8.2 27 261 303 116 85 131
16 241 502 382 170 51 7.2 71 259 476 110 87 129
17 283 443 349 163 50 9 63 276 544 116 87 126
18 317 404 332 160 47 9.2 68 339 396 175 97 124
19 283 407 336 160 47 7.2 49 307 295 186 99 122
20 243 459 349 155 42 5.6 40 285 236 130 96 121
21 259 597 347 146 40 16 68 332 250 109 94 122
22 268 569 326 138 38 16 40 1,120 253 102 95 126
23 316 467 308 133 35 6.2 47 841 300 186 95 159
24 305 507 300 131 33 9.6 90 612 234 115 96 270
25 314 526 297 124 31 11 130 447 208 106 98 262
26 265 428 289 120 30 7.3 120 318 230 101 99 203
27 235 363 274 115 28 6.2 132 257 154 101 110 177
28 244 326 262 110 28 12 113 209 143 96 146 162
29 295 285 252 104 28 16 143 192 144 90 145 152
30 278   238 101 30 20 145 168 178 88 167 144
31 285   228   27   190 165   86   149