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USGS Daily Statistics for Oklahoma

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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 07338750 Mountain Fork at Smithville, OK


Mccurtain County, Oklahoma
Hydrologic Unit Code 11140108
Latitude  34°27'44", Longitude  94°38'06" NAD27
Drainage area 322  square miles
Contributing drainage area 322  square miles
Gage datum 665.45 feet above NAVD88
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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 1991-10-01 -> 2025-09-30)

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 1,040 636 954 807 1,100 775 209 120 640 41 669 874
2 700 565 830 602 1,500 639 163 94 389 124 384 641
3 1,120 487 1,220 820 1,520 528 586 79 443 157 264 1,130
4 1,230 667 847 1,120 1,020 518 228 68 192 70 319 828
5 976 814 745 1,090 841 437 197 58 98 233 1,030 741
6 742 620 558 775 1,160 509 157 76 67 1,080 1,380 634
7 775 691 576 733 624 503 144 80 50 263 885 535
8 674 1,470 701 1,030 1,100 739 124 133 40 156 477 500
9 549 843 1,240 566 1,500 649 330 172 336 383 450 1,070
10 637 605 1,220 699 1,400 458 323 93 138 289 462 729
11 1,320 1,000 1,230 753 1,180 412 471 119 142 332 315 512
12 693 1,110 1,100 817 1,100 322 215 304 152 195 277 829
13 1,150 847 1,240 855 864 227 240 207 98 342 300 1,460
14 1,050 859 966 1,130 705 434 319 253 276 285 417 1,100
15 870 959 938 879 626 317 218 173 145 365 385 1,640
16 517 1,320 1,070 585 516 229 135 94 288 386 491 1,690
17 639 852 916 511 920 299 187 87 558 249 698 1,300
18 528 607 1,350 875 578 278 187 88 185 207 520 615
19 453 504 2,550 634 693 220 113 86 328 397 437 570
20 426 606 2,050 738 1,280 231 78 255 312 838 530 522
21 496 1,360 1,020 687 820 470 115 133 296 264 741 766
22 525 949 849 657 646 656 92 69 615 337 1,180 648
23 793 897 735 645 514 360 59 59 234 265 536 596
24 736 1,050 858 754 1,030 487 68 67 153 193 1,160 1,070
25 1,070 893 1,440 1,830 1,000 193 56 43 131 192 649 882
26 1,110 792 983 1,320 1,230 757 55 37 95 400 402 585
27 837 673 830 909 546 368 159 50 101 434 840 1,820
28 609 819 761 663 984 226 72 215 76 576 1,200 1,650
29 595 313 681 1,260 667 313 60 66 62 879 778 667
30 617   713 1,450 732 281 64 372 48 727 942 774
31 912   903   812   155 93   541   901