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USGS Daily Statistics for Missouri

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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 07018500 Big River at Byrnesville, MO


Jefferson County, Missouri
Hydrologic Unit Code 07140104
Latitude  38°23'30.2", Longitude  90°38'16.1" NAD83
Drainage area 917  square miles
Gage datum 433.69 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 1921-10-01 -> 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 1,090 1,360 1,040 2,130 2,460 1,080 970 286 291 370 727 835
2 975 1,100 949 1,640 2,610 1,050 932 273 302 382 634 893
3 857 1,090 1,050 1,330 2,060 873 572 252 312 330 708 804
4 883 887 1,100 1,600 1,810 717 417 259 249 270 669 881
5 1,140 771 1,180 1,920 1,640 742 356 239 265 272 409 1,040
6 1,090 791 1,260 1,740 1,570 732 352 253 242 307 457 820
7 776 933 1,360 1,520 1,730 733 461 246 206 304 496 658
8 669 943 1,440 1,310 1,750 847 601 221 226 279 600 546
9 694 884 1,260 1,480 1,650 913 545 230 306 274 535 505
10 674 821 1,310 1,650 1,620 1,010 425 321 278 336 474 528
11 734 932 1,550 1,710 1,360 1,180 454 378 268 302 558 639
12 875 868 1,940 2,070 1,360 1,030 431 366 254 286 525 815
13 1,070 820 1,890 2,070 1,470 860 474 442 271 282 501 697
14 1,150 931 1,500 1,800 1,480 808 582 428 377 298 650 755
15 1,270 1,110 1,420 1,820 1,680 855 548 375 435 302 820 853
16 1,060 1,090 1,440 1,870 1,640 763 377 439 297 267 966 888
17 723 1,100 1,390 1,750 1,670 757 344 545 299 280 845 937
18 815 1,160 1,380 1,520 1,940 836 393 389 323 316 795 950
19 909 1,240 1,760 1,500 1,930 919 430 256 281 344 770 935
20 974 1,240 2,150 1,680 1,450 834 451 238 261 345 944 747
21 899 1,140 2,040 1,680 1,270 986 368 277 268 357 1,020 799
22 890 1,270 1,640 1,720 1,060 881 342 255 339 400 597 858
23 884 1,390 1,290 1,860 1,090 850 452 247 488 471 523 918
24 885 1,420 1,230 1,730 1,160 584 482 261 751 381 590 868
25 893 1,470 1,340 1,700 1,180 567 403 257 860 299 710 1,020
26 915 1,440 1,500 1,710 1,230 724 395 236 623 274 721 936
27 827 1,300 1,480 1,630 1,430 767 328 256 506 270 875 957
28 812 1,280 1,360 1,600 1,370 687 322 256 321 273 887 1,240
29 821 650 1,500 1,890 1,060 639 411 249 292 316 929 1,490
30 1,000   1,890 2,160 882 675 452 267 279 447 703 1,370
31 1,400   1,990   837   367 282   600   1,250