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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 02301328 ALAFIA RIVER NEAR KEYSVILLE FL


Hillsborough County, Florida
Hydrologic Unit Code 03100204
Latitude  27°51'58.91", Longitude  82°08'38.35" NAD83
Drainage area 277  square miles
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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 2023-10-01 -> 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 99 121 150 54 22 7.7 182 319 462 519 242 113
2 93 118 138 52 23 6.8 166 236 650 543 231 108
3 87 115 132 56 26 6.2 157 254 1,640 584 222 104
4 83 114 132 89 26 6.3 170 353 1,140 885 214 101
5 83 115 124 92 28 6.1 113 3,150 897 867 209 98
6 104 114 151 74 31 6.4 198 5,600 1,230 649 204 98
7 190 109 185 66 29 7.3 221 4,050 2,070 549 200 95
8 208 103 174 62 26 6.7 139 3,020 1,970 533 195 91
9 167 100 160 59 25 6.4 162 2,270 1,390 724 191 90
10 164 97 151 55 27 6.2 184 1,630 1,100 8,380 187 88
11 170 96 144 52 38 9.1 162 1,280 1,270 7,620 185 103
12 154 95 130 65 52 24 150 1,010 1,330 4,090 190 116
13 149 95 114 69 74 58 137 854 1,850 1,520 207 105
14 151 96 100 56 75 75 191 783 1,310 1,160 203 98
15 148 93 93 50 67 83 315 729 996 904 200 95
16 148 91 87 46 70 130 372 662 848 748 209 94
17 157 92 83 42 67 140 382 589 737 622 218 141
18 154 113 80 39 60 74 335 523 637 534 212 182
19 149 185 74 37 59 52 307 470 572 480 195 162
20 152 221 69 36 53 53 314 432 543 441 181 138
21 153 196 65 34 43 46 406 408 499 410 172 126
22 194 163 72 33 34 41 368 461 478 384 161 115
23 207 146 86 33 30 44 297 509 455 362 149 107
24 183 143 77 31 27 107 434 604 419 344 138 100
25 166 227 70 30 26 224 477 751 399 328 131 95
26 152 246 66 28 32 273 345 676 428 312 126 93
27 144 219 64 26 36 201 265 670 564 294 123 90
28 140 174 68 26 10 138 234 833 646 279 122 90
29 139 126 65 29 9.7 158 235 707 658 265 120 98
30 133   59 24 8.7 210 287 526 586 254 118 107
31 127   56   8.4   454 490   249   111