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USGS 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 -> 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 1,060 990 699 165 48 260 248 349 115 122
2 327 336 1,090 1,000 631 157 47 197 253 529 139 121
3 231 395 817 994 603 146 47 191 235 251 138 141
4 274 364 729 977 578 139 46 194 210 165 125 134
5 309 396 704 956 581 131 46 220 172 150 133 171
6 322 342 788 950 566 123 46 246 173 143 124 181
7 491 335 765 965 523 113 48 220 144 161 144 208
8 814 350 757 969 492 108 47 194 138 143 126 215
9 415 379 821 959 468 103 49 150 137 127 108 185
10 283 444 801 977 455 98 50 171 177 115 105 236
11 485 590 821 1,000 433 94 53 208 178 105 118 233
12 412 707 983 1,000 405 89 60 188 163 107 171 180
13 289 636 1,260 1,020 385 85 57 170 164 103 177 184
14 257 691 1,080 1,000 385 83 61 178 159 97 136 164
15 265 1,070 1,010 973 378 79 61 202 160 93 124 140
16 283 823 1,050 960 351 73 64 190 149 87 125 146
17 549 610 1,090 956 322 69 68 197 134 106 136 145
18 474 526 1,000 966 305 66 69 246 117 104 137 432
19 387 579 988 984 289 63 76 272 105 105 120 544
20 273 892 1,010 962 276 60 72 272 101 338 123 484
21 319 703 1,000 934 264 58 88 208 97 268 115 329
22 475 707 1,080 923 254 57 94 208 100 164 112 336
23 295 658 1,110 908 243 54 82 188 99 136 107 395
24 319 595 1,070 864 229 52 92 246 110 133 134 275
25 285 554 1,070 831 214 50 100 218 104 166 186 287
26 288 591 984 801 203 50 110 192 95 161 149 339
27 378 550 1,000 777 194 48 177 187 91 136 138 293
28 822 604 988 761 187 47 217 172 92 135 119 484
29 579 549 1,010 770 183 47 232 165 102 142 110 602
30 567   1,020 737 177 48 241 158 159 123 117 626
31 473   992   173   249 212   118   457