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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 09519800 GILA RIVER BELOW PAINTED ROCK DAM, AZ


Maricopa County, Arizona
Hydrologic Unit Code 15070201
Latitude  33°04'30", Longitude 113°00'50" NAD27
Drainage area 50,910  square miles
Gage datum 518.69 feet above NGVD29
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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 1959-10-01 -> 2025-09-30)

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
1 172 362 649 718 620 362 214 192 183 167 186 132
2 181 364 642 723 613 376 203 194 185 168 180 126
3 211 365 635 729 602 377 205 191 186 171 181 120
4 188 366 646 729 589 366 213 190 186 173 181 117
5 214 369 662 733 585 359 205 195 190 165 185 117
6 225 371 670 740 577 355 212 198 189 167 179 116
7 197 384 678 717 572 355 194 197 183 182 185 118
8 235 390 688 697 571 365 197 194 190 174 178 118
9 240 403 689 694 571 370 197 192 193 172 174 117
10 258 411 689 681 561 359 200 186 197 179 164 115
11 272 408 681 668 539 366 204 185 199 179 158 117
12 285 409 677 661 541 376 207 189 201 173 158 118
13 289 410 679 662 533 375 203 186 195 170 157 119
14 302 414 692 659 516 373 202 187 190 173 153 118
15 305 399 679 646 503 363 207 188 192 168 150 115
16 302 407 667 644 482 351 212 186 194 166 150 115
17 297 398 661 658 484 339 215 182 194 167 150 113
18 294 397 655 692 481 307 218 181 195 159 150 115
19 309 418 643 710 473 272 221 182 195 155 150 123
20 331 436 639 714 472 265 220 185 194 157 152 115
21 370 431 649 714 469 245 215 187 189 170 151 116
22 373 421 656 716 470 227 217 186 187 163 141 128
23 385 442 657 714 468 223 218 181 186 168 127 142
24 398 518 657 705 400 218 218 178 184 174 129 141
25 405 581 666 700 446 218 211 179 184 173 131 139
26 377 686 671 696 440 224 192 179 175 172 132 139
27 372 684 680 673 429 226 181 176 174 172 130 139
28 392 648 686 656 389 223 178 176 173 182 130 152
29 391 251 693 644 374 218 185 185 173 178 133 161
30 363   694 632 373 218 181 188 172 182 140 163
31 359   711   367   185 184   190   170