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USGS Surface-Water Daily Statistics for Florida

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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 02231000 ST. MARYS RIVER NEAR MACCLENNY, FL


Baker County, Florida
Hydrologic Unit Code 03070204
Latitude  30°21'31", Longitude  82°04'54" NAD27
Drainage area 700  square miles
Gage datum 40.00 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 1926-10-01 -> 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
1 521 635 887 948 329 250 617 713 919 1,060 324 194
2 505 611 904 1,070 316 239 609 781 912 1,130 336 204
3 503 608 924 1,120 391 220 611 828 873 1,100 315 216
4 531 663 927 1,160 449 215 605 868 834 1,130 300 238
5 543 679 929 1,190 449 224 597 865 821 1,120 282 254
6 541 691 914 1,120 417 236 581 900 941 989 265 261
7 544 727 912 1,030 380 271 568 955 1,210 892 268 267
8 551 786 928 916 351 323 570 964 1,280 916 266 266
9 553 793 950 850 333 365 582 972 1,230 889 252 260
10 543 798 1,030 817 316 411 599 930 1,160 825 239 270
11 535 791 1,060 811 291 405 595 889 1,220 756 231 299
12 540 774 1,020 793 268 387 592 844 1,300 716 300 313
13 564 757 942 757 256 377 597 837 1,300 651 298 325
14 578 747 886 699 238 374 591 830 1,210 575 273 359
15 592 741 870 642 222 420 585 844 1,110 524 252 384
16 588 740 887 634 211 430 575 865 1,010 527 247 398
17 576 811 923 661 209 420 573 872 942 544 254 411
18 552 870 990 622 218 409 580 856 1,020 531 245 459
19 538 902 1,030 571 208 395 583 854 1,040 544 235 458
20 528 910 1,020 536 207 414 594 894 1,010 621 231 455
21 524 880 994 500 232 407 613 951 922 641 221 448
22 530 873 923 455 285 377 649 1,010 847 697 212 457
23 553 889 834 413 304 353 662 1,100 800 629 208 462
24 596 899 799 405 294 340 673 1,130 936 566 198 465
25 620 884 749 406 306 338 648 1,100 1,030 632 195 468
26 608 872 738 385 320 467 629 1,040 971 588 192 487
27 607 859 768 360 318 693 618 1,020 937 518 187 510
28 608 875 761 366 305 725 634 1,040 945 452 184 553
29 622 1,130 787 369 288 680 643 1,020 995 396 182 556
30 638   838 351 272 639 654 996 1,050 350 183 564
31 646   874   267   667 966   318   547