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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 02423555 CAHABA RIVER NEAR HELENA AL


Shelby County, Alabama
Hydrologic Unit Code 03150202
Latitude  33°17'04", Longitude  86°52'57" NAD27
Drainage area 335.00  square miles
Contributing drainage area 335.00  square miles
Gage datum 357 feet above NAVD88
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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 1995-10-01 -> 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
1 781 827 1,380 996 440 317 404 453 380 92 169 451
2 953 713 1,090 702 333 318 350 325 206 90 149 417
3 1,170 1,020 1,440 738 318 253 270 204 464 91 107 253
4 1,500 1,200 1,520 1,190 722 209 272 189 705 145 85 179
5 1,200 945 1,330 1,410 1,370 196 227 199 550 186 84 194
6 941 1,150 1,400 1,030 680 363 279 138 546 283 81 309
7 1,040 1,740 1,040 757 511 350 301 173 257 1,000 156 354
8 856 1,150 842 675 364 673 254 247 158 378 228 308
9 900 723 1,190 713 356 671 207 228 124 228 218 446
10 703 761 1,350 800 545 497 348 268 118 151 160 373
11 692 1,380 963 754 577 293 336 392 113 161 115 406
12 646 1,520 1,010 850 488 244 267 327 137 103 173 376
13 563 1,250 1,010 926 369 223 412 233 121 106 183 297
14 769 916 1,020 999 280 266 351 260 155 171 178 514
15 773 711 1,110 1,220 302 498 278 169 140 150 206 590
16 800 714 1,250 1,160 489 308 307 137 97 95 246 418
17 711 969 1,040 907 362 317 299 136 124 118 428 413
18 717 1,210 1,060 731 428 390 291 139 493 106 230 479
19 807 1,180 858 974 559 346 323 176 663 84 207 410
20 961 934 886 1,150 268 529 466 156 561 76 136 376
21 794 982 1,110 889 255 342 347 179 510 79 112 415
22 815 1,410 739 646 203 502 414 164 668 102 114 448
23 1,170 1,440 1,020 670 229 834 405 160 483 126 139 598
24 1,320 1,430 1,030 558 293 695 483 227 277 118 181 787
25 1,480 1,170 894 476 267 421 349 188 229 159 175 804
26 1,140 1,190 1,210 489 284 403 277 384 294 132 144 972
27 1,060 1,000 1,010 478 308 396 270 287 307 122 180 715
28 751 1,380 813 525 349 450 318 183 209 163 271 1,440
29 643 525 701 412 327 720 324 145 149 298 253 1,440
30 925   645 371 341 544 216 192 87 208 581 911
31 1,000   977   339   512 326   218   775