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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 09466500 GILA RIVER AT CALVA, AZ.


Graham County, Arizona
Hydrologic Unit Code 15040005
Latitude  33°11'08", Longitude 110°13'10" NAD27
Drainage area 11,470  square miles
Gage datum 2,517.29 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 1929-10-01 -> 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
1 829 554 631 481 307 103 22 189 279 451 202 194
2 654 514 738 474 300 94 19 243 247 1,130 183 204
3 487 512 1,060 499 292 88 16 251 253 1,110 170 204
4 409 484 928 486 272 87 17 289 232 531 172 202
5 400 505 785 454 264 82 20 279 192 298 174 204
6 813 506 700 432 255 74 18 321 192 190 201 237
7 552 470 653 415 264 71 18 341 195 178 187 466
8 570 500 647 401 266 66 17 357 176 178 202 344
9 862 547 630 391 256 62 24 313 199 195 184 264
10 907 503 636 379 238 57 49 301 280 207 170 258
11 638 603 642 368 220 51 30 317 293 173 161 288
12 1,230 681 634 360 203 46 47 316 261 186 156 325
13 821 647 634 355 194 42 37 434 295 196 319 322
14 655 938 672 354 184 39 26 333 308 203 370 288
15 739 969 684 352 175 35 36 318 278 159 276 263
16 687 1,100 734 346 168 32 52 273 274 141 214 259
17 553 998 780 344 158 30 59 297 285 140 183 268
18 676 911 747 352 150 27 80 309 263 182 167 262
19 1,010 774 749 358 139 25 65 284 282 214 164 495
20 1,400 785 715 346 134 24 81 316 262 293 168 952
21 775 1,190 680 339 133 26 71 269 209 609 162 660
22 575 1,060 653 332 133 23 85 280 202 443 160 495
23 496 910 626 324 132 25 126 319 291 273 165 413
24 504 845 620 316 133 24 138 324 380 220 161 511
25 494 787 637 309 135 22 162 343 306 286 188 480
26 481 714 645 305 135 20 207 375 299 213 308 448
27 470 717 577 311 137 17 181 414 270 211 288 421
28 461 661 548 327 130 15 178 402 288 232 228 473
29 515 698 532 332 125 15 202 239 280 205 191 739
30 589   515 318 119 21 211 266 255 241 190 654
31 588   500   110   250 288   206   620