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USGS Surface-Water 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 1,430 1,030 443 318 419 459 380 92 169 451
2 953 713 1,090 720 341 317 364 328 206 90 149 417
3 1,170 1,020 1,480 750 327 254 281 192 464 91 107 253
4 1,500 1,200 1,570 1,230 752 210 283 186 705 145 85 179
5 1,200 945 1,370 1,460 1,430 198 235 199 550 186 84 194
6 941 1,150 1,450 1,060 701 374 269 138 546 283 81 309
7 1,040 1,740 1,070 783 529 360 293 176 257 1,000 156 354
8 856 1,150 835 698 375 701 260 254 158 378 228 308
9 900 723 1,080 727 354 700 211 235 124 228 218 446
10 703 761 1,320 800 471 518 359 277 118 151 160 373
11 692 1,380 949 756 578 304 347 408 113 161 115 406
12 646 1,520 1,020 865 497 253 274 340 137 103 173 376
13 563 1,250 1,030 949 375 231 429 241 121 106 183 297
14 769 916 1,040 1,030 283 276 365 270 155 171 178 514
15 773 711 1,120 1,270 307 520 289 175 140 150 206 590
16 800 697 1,280 1,210 505 315 320 141 97 95 246 418
17 711 983 1,060 941 373 329 311 139 124 118 428 413
18 717 1,240 1,090 757 443 407 300 142 493 106 230 479
19 807 1,220 879 1,010 580 361 332 176 663 84 207 410
20 961 960 911 1,200 275 552 466 156 561 76 136 376
21 794 1,010 1,140 910 262 357 350 179 510 79 112 415
22 815 1,460 760 658 209 525 423 164 668 102 114 448
23 1,170 1,490 1,050 691 237 874 415 160 483 126 139 598
24 1,320 1,480 1,070 575 304 728 413 227 277 118 181 787
25 1,480 1,210 926 490 277 440 292 188 229 159 175 804
26 1,140 1,230 1,210 504 293 422 261 384 294 132 144 972
27 1,060 1,040 975 494 288 412 262 287 307 122 180 715
28 751 1,440 801 544 333 469 271 183 209 163 271 1,440
29 643 590 698 426 329 741 204 145 149 298 253 1,440
30 925   648 371 349 564 180 192 87 208 581 911
31 1,000   1,010   349   511 326   218   775