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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
1 357 397 1,060 990 699 165 48 260 248 349 117 124
2 331 340 1,090 1,000 631 157 47 197 253 529 141 122
3 234 400 817 994 603 146 47 191 235 251 140 142
4 278 369 729 977 578 139 46 194 210 165 126 135
5 313 401 704 956 581 131 46 220 172 150 134 173
6 327 347 788 950 566 123 46 246 173 143 126 183
7 498 339 765 965 523 113 48 220 144 161 145 210
8 825 354 757 969 492 108 47 194 138 145 128 217
9 420 384 821 959 468 103 49 150 137 129 109 187
10 286 450 801 977 455 98 50 171 177 116 106 239
11 492 590 821 1,000 433 94 53 208 178 107 120 236
12 418 707 983 1,000 405 89 60 188 163 108 173 182
13 292 636 1,260 1,020 385 85 57 170 164 104 179 186
14 260 691 1,080 1,000 385 83 61 178 159 98 138 166
15 269 1,070 1,010 973 378 79 61 202 160 94 126 142
16 286 823 1,050 960 351 73 64 190 149 88 127 148
17 556 610 1,090 956 322 69 68 197 134 107 138 146
18 480 526 1,000 966 305 66 69 246 117 105 138 438
19 392 579 988 984 289 63 76 272 105 107 121 552
20 277 892 1,010 962 276 60 72 272 101 343 125 490
21 323 703 1,000 934 264 58 88 208 97 271 116 334
22 481 707 1,080 923 254 57 94 208 100 166 113 341
23 299 658 1,110 908 243 54 82 188 99 137 108 400
24 323 595 1,070 864 229 52 92 246 110 134 135 278
25 288 554 1,070 831 214 50 100 218 104 168 188 291
26 292 591 984 801 203 50 110 192 95 163 151 344
27 382 550 1,000 777 194 48 177 187 91 137 140 297
28 834 604 988 761 187 47 217 172 92 137 120 490
29 587 549 1,010 770 183 47 232 165 102 143 111 610
30 575   1,020 737 177 48 241 158 159 125 118 635
31 479   992   173   249 212   119   463