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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 07018100 Big River near Richwoods, MO


Jefferson County, Missouri
Hydrologic Unit Code 07140104
Latitude  38°09'34.6", Longitude  90°42'21.8" NAD83
Drainage area 735  square miles
Gage datum 523 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 1948-10-01 -> 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
1 913 989 816 1,400 2,410 913 677 253 254 243 419 791
2 723 950 762 950 1,640 708 505 243 299 279 784 757
3 597 794 823 1,110 1,260 568 380 207 224 206 585 812
4 1,050 667 1,060 1,800 1,570 511 332 220 218 191 348 1,050
5 1,090 617 1,110 1,520 1,340 600 294 187 239 192 338 730
6 777 705 1,100 1,320 1,160 627 281 235 191 291 361 644
7 551 951 1,110 971 1,320 708 480 186 179 206 321 526
8 513 875 1,100 966 1,400 574 486 185 268 182 328 468
9 495 635 1,210 1,110 1,690 603 326 312 255 318 277 482
10 632 814 1,310 1,120 1,150 546 439 396 268 300 308 588
11 643 808 1,500 1,730 993 624 407 334 250 221 376 842
12 554 692 1,680 1,920 1,160 624 370 344 222 273 433 676
13 849 716 1,260 1,290 1,130 513 607 447 280 235 543 533
14 999 777 1,250 1,270 1,350 545 543 337 350 312 787 599
15 883 666 1,190 1,250 1,250 688 373 445 327 257 962 884
16 641 846 1,110 1,220 1,110 555 282 652 220 224 779 878
17 532 936 1,030 918 1,350 718 289 323 305 273 760 827
18 586 957 1,500 964 1,790 785 349 214 280 258 744 923
19 609 921 1,950 1,360 1,240 679 337 200 280 222 1,070 614
20 735 944 1,890 1,390 957 743 258 221 224 286 1,180 715
21 731 1,020 1,600 1,380 762 560 313 221 339 412 639 844
22 720 1,230 1,120 1,790 898 678 447 189 307 377 436 1,130
23 670 1,490 1,010 1,510 913 543 323 197 760 392 494 658
24 662 1,270 1,120 1,480 754 440 309 247 811 313 632 889
25 572 1,280 1,380 1,380 832 490 292 213 468 248 716 1,180
26 610 1,010 1,200 1,470 1,320 559 248 194 436 243 789 843
27 661 1,210 1,070 1,400 1,200 456 261 220 273 232 932 848
28 609 935 1,400 1,610 910 391 354 263 225 274 1,200 1,280
29 684 426 1,530 1,910 669 374 444 247 209 320 671 1,320
30 1,090   1,610 2,350 580 894 362 240 191 593 572 1,200
31 1,210   1,640   846   258 224   643   891