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USGS Daily Statistics for the Nation

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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 -> 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
1 352 392 1,050 977 689 163 48 256 248 349 115 122
2 327 336 1,070 988 622 155 46 194 253 529 139 121
3 231 395 805 980 594 144 47 189 235 251 138 141
4 274 364 719 963 570 137 46 194 210 165 125 134
5 309 396 694 943 573 129 46 220 172 150 133 171
6 322 342 777 937 558 121 46 246 173 143 124 181
7 491 335 755 952 516 112 48 220 144 161 144 208
8 814 350 747 956 485 107 46 194 138 143 126 215
9 415 379 810 946 462 102 48 150 137 127 108 185
10 283 444 790 964 449 97 49 171 177 115 105 236
11 485 582 810 987 427 92 53 208 178 105 118 233
12 412 697 970 991 399 88 60 188 163 107 171 180
13 289 627 1,240 1,010 380 84 56 170 164 103 177 184
14 257 682 1,070 987 380 82 60 178 159 97 136 164
15 265 1,050 995 960 373 79 60 202 160 93 124 140
16 283 812 1,040 947 346 72 63 190 149 87 125 146
17 549 602 1,070 943 318 68 67 197 134 106 136 145
18 474 519 990 953 301 65 68 246 117 104 137 432
19 387 571 974 971 285 62 76 272 105 105 120 544
20 273 880 998 949 272 59 72 272 101 338 123 484
21 319 694 991 921 260 57 87 208 97 268 115 329
22 475 697 1,070 910 250 56 93 208 100 164 112 336
23 295 649 1,100 896 240 54 81 188 99 136 107 395
24 319 587 1,060 852 226 52 91 246 110 133 134 275
25 285 547 1,060 820 212 50 99 218 104 166 186 287
26 288 583 971 790 200 49 109 192 95 161 149 339
27 378 542 989 766 191 48 174 187 91 136 138 293
28 822 595 974 751 185 47 214 172 92 135 119 484
29 579 549 996 759 181 47 229 165 102 142 110 602
30 567   1,010 727 175 47 238 158 159 123 117 626
31 473   979   171   245 212   118   457