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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
1 915 985 816 1,400 2,410 913 677 253 254 243 419 841
2 725 946 762 950 1,640 708 505 243 299 279 779 771
3 599 792 823 1,110 1,260 568 380 207 224 206 582 816
4 1,040 666 1,060 1,800 1,570 511 332 220 218 191 347 1,050
5 1,080 618 1,110 1,520 1,340 600 294 187 239 192 337 730
6 774 710 1,100 1,320 1,160 627 281 235 191 291 360 644
7 550 953 1,110 971 1,320 708 480 186 179 206 320 526
8 512 876 1,100 966 1,400 574 486 185 268 182 327 469
9 494 638 1,210 1,110 1,690 603 326 312 255 315 277 481
10 640 818 1,310 1,120 1,150 546 439 396 268 298 308 586
11 835 822 1,500 1,730 993 624 407 334 250 221 375 835
12 794 692 1,680 1,920 1,160 624 370 344 222 281 431 671
13 890 716 1,260 1,290 1,130 513 607 447 280 239 539 530
14 1,010 777 1,250 1,270 1,350 545 543 337 350 312 779 595
15 892 666 1,190 1,250 1,250 688 373 445 327 257 952 875
16 649 846 1,110 1,220 1,110 555 282 652 220 225 771 870
17 540 936 1,030 918 1,350 718 289 323 305 272 753 821
18 666 957 1,500 964 1,790 785 349 214 280 257 737 917
19 677 921 1,950 1,360 1,240 679 337 200 280 222 1,060 612
20 755 944 1,890 1,390 957 743 258 221 224 285 1,160 711
21 741 1,020 1,600 1,380 762 560 313 221 339 409 633 838
22 727 1,230 1,120 1,790 898 678 447 189 307 374 434 1,120
23 676 1,490 1,010 1,510 913 543 323 197 760 389 491 656
24 670 1,410 1,120 1,480 754 440 309 247 811 311 627 884
25 583 1,280 1,380 1,380 832 490 292 213 468 247 710 1,170
26 618 1,010 1,200 1,470 1,320 559 248 194 436 243 782 839
27 667 1,210 1,070 1,400 1,200 456 261 220 273 233 926 843
28 613 935 1,400 1,610 910 391 354 263 225 275 1,200 1,270
29 686 426 1,530 1,910 669 374 444 247 209 320 672 1,330
30 1,090   1,610 2,350 580 894 362 240 191 590 613 1,220
31 1,200   1,640   846   258 224   639   899