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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 356.85 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 1995-10-01 -> 2020-09-30)

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
1 714 815 1,300 1,000 503 430 511 378 202 111 197 430
2 850 811 1,010 929 465 410 576 299 128 103 224 560
3 973 1,220 1,250 1,230 518 431 358 191 376 161 178 392
4 1,060 1,250 1,330 1,860 608 380 306 184 586 298 202 283
5 910 1,080 1,280 1,690 556 288 252 198 417 501 201 278
6 868 1,450 1,840 971 471 391 278 198 434 397 232 410
7 1,210 2,040 1,890 1,370 515 353 253 215 206 287 364 438
8 1,350 1,270 1,720 1,350 699 323 247 234 135 327 468 451
9 1,020 854 1,390 879 887 374 218 222 106 233 313 838
10 680 853 1,580 678 543 337 243 204 106 205 391 738
11 738 1,300 1,590 640 561 281 490 270 109 168 865 678
12 659 1,160 1,250 803 506 356 338 323 123 211 731 505
13 554 956 1,050 875 379 347 414 231 127 269 443 461
14 779 882 1,010 976 351 402 354 311 137 297 339 590
15 800 769 1,050 1,230 471 572 418 242 140 277 311 527
16 753 767 987 1,020 507 358 421 206 274 256 348 412
17 630 831 847 742 441 379 335 205 666 210 464 428
18 638 810 672 626 773 659 279 179 675 165 288 499
19 798 894 722 910 971 536 184 234 523 133 274 616
20 861 817 1,010 1,060 452 320 142 164 397 154 194 560
21 759 952 1,100 830 460 244 204 207 379 112 254 524
22 829 1,420 756 607 557 415 271 151 581 114 375 591
23 1,160 1,420 797 623 398 690 292 150 438 139 552 729
24 1,340 1,340 843 521 326 592 305 244 238 139 660 1,010
25 1,390 1,090 747 641 303 418 253 181 192 169 751 1,130
26 1,170 1,150 794 558 283 376 237 330 357 187 392 1,080
27 1,420 1,140 742 499 266 365 251 253 279 188 369 795
28 1,070 1,350 847 546 347 412 264 153 222 177 425 1,370
29 696 536 774 422 350 638 210 123 155 153 358 1,420
30 886   682 424 423 494 175 146 116 153 388 819
31 1,020   827   388   394 175   227   641