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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 -> 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
1 759 797 1,320 977 429 348 404 453 370 92 166 435
2 919 688 1,050 691 336 318 350 325 201 89 145 403
3 1,120 985 1,380 722 407 253 270 204 445 90 105 245
4 1,440 1,160 1,460 1,150 786 209 272 189 674 141 84 175
5 1,150 908 1,360 1,360 1,360 196 227 199 526 180 83 188
6 930 1,100 1,390 1,180 684 363 279 138 523 273 79 299
7 1,020 1,660 1,020 1,010 560 350 301 173 247 963 152 341
8 833 1,100 828 776 401 673 254 247 153 364 220 297
9 871 696 1,170 754 376 671 207 228 120 220 211 432
10 687 731 1,330 815 583 497 348 268 115 146 156 402
11 686 1,330 948 762 666 293 336 392 109 156 113 462
12 638 1,510 991 844 718 244 267 327 133 100 168 380
13 556 1,460 985 910 541 223 412 233 120 103 178 296
14 750 987 987 969 362 266 351 260 223 166 180 500
15 751 739 1,080 1,180 349 498 278 169 250 145 206 571
16 775 792 1,310 1,120 511 308 307 137 121 93 241 406
17 689 1,020 1,050 875 392 317 299 136 130 115 413 401
18 701 1,210 1,050 707 564 390 291 139 478 104 224 464
19 785 1,170 848 938 642 346 323 171 637 82 240 397
20 930 923 871 1,110 318 529 466 151 539 75 191 364
21 767 961 1,080 857 289 342 347 173 490 77 128 401
22 786 1,360 724 648 226 502 414 159 640 99 119 431
23 1,130 1,390 986 681 245 834 405 156 464 122 138 574
24 1,270 1,380 1,010 568 302 695 483 219 267 114 178 755
25 1,420 1,130 878 479 271 421 349 181 223 153 172 771
26 1,090 1,150 1,170 483 412 403 277 368 286 127 144 933
27 1,020 970 977 469 466 396 270 276 298 118 178 688
28 725 1,330 789 512 522 450 318 176 204 159 267 1,390
29 621 525 682 401 414 720 324 141 147 287 248 1,410
30 889   628 362 417 544 216 186 88 200 560 910
31 963   961   385   512 316   209   760