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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 1,080 1,360 1,040 2,130 2,460 1,080 970 286 291 370 730 797
2 973 1,100 949 1,640 2,610 1,050 932 273 302 382 637 869
3 856 1,090 1,050 1,330 2,060 873 572 252 312 330 711 795
4 884 888 1,100 1,600 1,810 717 417 259 249 270 673 878
5 1,150 772 1,180 1,920 1,640 742 356 239 265 272 410 1,040
6 1,090 790 1,260 1,740 1,570 732 352 253 242 307 458 820
7 778 930 1,360 1,520 1,730 733 461 246 206 304 498 658
8 670 940 1,440 1,310 1,750 847 601 221 226 279 603 546
9 695 882 1,260 1,480 1,650 913 545 230 306 275 537 505
10 662 814 1,310 1,650 1,620 1,010 425 321 278 338 476 528
11 662 924 1,550 1,710 1,360 1,180 454 378 268 304 561 641
12 738 868 1,940 2,070 1,360 1,030 431 366 254 287 527 819
13 908 820 1,890 2,070 1,470 860 474 442 271 278 503 700
14 1,120 931 1,500 1,800 1,480 808 582 428 377 296 654 759
15 1,260 1,110 1,420 1,820 1,680 855 548 375 435 301 826 857
16 1,050 1,090 1,440 1,870 1,640 763 377 439 297 267 973 893
17 715 1,100 1,390 1,750 1,670 757 344 545 299 281 851 942
18 774 1,160 1,380 1,520 1,940 836 393 389 323 317 801 955
19 843 1,240 1,760 1,500 1,930 919 430 256 281 346 776 939
20 941 1,240 2,150 1,680 1,450 834 451 238 261 347 951 749
21 885 1,140 2,040 1,680 1,270 986 368 277 268 358 1,030 802
22 882 1,270 1,640 1,720 1,060 881 342 255 339 402 600 862
23 878 1,390 1,290 1,860 1,090 850 452 247 488 474 525 922
24 878 1,420 1,230 1,730 1,160 584 482 261 751 383 593 870
25 885 1,470 1,340 1,700 1,180 567 403 257 860 300 714 1,020
26 908 1,440 1,500 1,710 1,230 724 395 236 623 274 725 938
27 821 1,300 1,480 1,630 1,430 767 328 256 506 270 880 960
28 808 1,280 1,360 1,600 1,370 687 322 256 321 273 890 1,250
29 818 650 1,500 1,890 1,060 639 411 249 292 316 931 1,500
30 999   1,890 2,160 882 675 452 267 279 448 687 1,350
31 1,410   1,990   837   367 282   602   1,240