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USGS Surface-Water Daily Statistics for the Nation

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 09490500 BLACK RIVER NEAR FORT APACHE, AZ.


Gila County, Arizona
Hydrologic Unit Code 15060101
Latitude  33°42'46", Longitude 110°12'40" NAD27
Drainage area 1,232  square miles
Gage datum 4,345 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 1914-10-01 -> 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
1 361 402 1,070 972 702 166 48 263 251 354 118 125
2 335 344 1,100 979 634 158 47 199 256 537 142 123
3 236 405 822 980 605 148 47 193 238 254 141 144
4 281 372 735 967 580 140 46 196 212 167 127 137
5 316 405 709 948 583 132 46 223 174 152 136 175
6 331 350 795 942 569 124 47 249 175 145 127 185
7 504 329 772 958 526 114 49 222 146 163 147 213
8 837 343 764 965 495 109 47 197 140 145 129 220
9 425 376 829 958 471 104 49 152 139 129 110 189
10 290 447 809 978 458 99 50 173 179 116 107 242
11 498 592 830 1,000 436 94 54 210 180 107 121 239
12 423 712 995 1,000 407 90 61 190 165 108 175 184
13 296 640 1,270 1,020 388 85 58 172 166 104 182 189
14 263 695 1,100 993 388 84 62 180 161 98 139 168
15 272 1,080 1,020 966 381 80 62 205 162 94 127 143
16 289 830 1,060 954 353 74 64 192 151 88 128 149
17 563 614 1,100 953 324 70 69 199 136 107 139 148
18 486 529 1,010 962 307 66 69 249 119 105 140 443
19 396 583 996 980 291 63 77 276 106 108 122 559
20 280 900 1,020 959 278 60 73 275 102 347 126 497
21 327 709 1,010 930 266 58 89 210 98 274 117 338
22 487 713 1,090 920 255 57 95 211 101 168 114 345
23 302 663 1,120 907 245 55 83 191 100 139 109 405
24 326 599 1,080 862 231 52 92 250 111 136 137 282
25 291 559 1,080 830 216 51 100 220 105 170 190 294
26 295 595 986 802 204 50 111 195 96 165 152 348
27 387 554 1,000 779 195 48 179 189 92 139 141 301
28 845 605 986 763 189 47 219 174 93 138 121 497
29 595 548 1,010 773 185 47 235 167 103 145 112 618
30 582   1,010 741 179 48 244 160 161 126 120 643
31 485   981   175   252 215   120   469