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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 07152000 Chikaskia River near Blackwell, OK


Kay County, Oklahoma
Hydrologic Unit Code 11060005
Latitude  36°48'41", Longitude  97°16'37" NAD27
Drainage area 1,876  square miles
Contributing drainage area 1,873  square miles
Gage datum 967.65 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 1935-10-01 -> 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
1 194 376 524 909 1,090 1,030 1,510 303 221 526 1,130 240
2 193 308 415 922 1,010 1,200 1,210 344 198 585 1,390 221
3 194 261 600 739 906 828 992 351 361 1,550 948 220
4 220 357 621 540 853 871 709 480 259 1,590 634 343
5 375 450 732 480 682 961 938 320 286 1,080 480 565
6 304 311 598 635 1,080 1,330 789 283 339 485 319 425
7 219 293 392 422 1,040 1,280 656 287 307 305 268 274
8 214 305 401 425 1,460 911 516 267 283 320 258 222
9 226 309 434 550 1,760 1,110 379 332 299 617 294 249
10 222 326 620 559 1,530 1,320 469 348 309 952 310 279
11 217 323 915 838 999 1,240 438 226 345 1,450 273 252
12 228 335 694 877 671 1,240 473 257 400 1,220 252 231
13 217 349 517 603 611 1,200 560 397 978 707 202 220
14 193 300 626 975 788 1,280 860 501 1,180 664 210 273
15 190 278 626 963 736 1,440 1,060 532 445 540 424 309
16 265 357 777 944 705 997 814 306 321 335 608 297
17 369 342 1,000 777 1,440 887 746 457 273 288 1,170 263
18 343 370 965 553 2,030 911 505 763 240 476 794 222
19 323 353 869 956 1,350 978 344 567 304 299 388 239
20 379 324 1,040 789 1,190 958 298 411 305 205 464 519
21 269 394 801 650 1,340 866 334 276 338 193 533 370
22 267 455 645 639 1,240 1,510 624 216 419 209 317 238
23 297 393 830 1,150 1,030 1,040 610 282 499 224 254 210
24 371 533 1,450 1,120 1,330 1,170 429 295 533 221 264 298
25 332 687 1,180 959 1,850 1,690 352 288 500 234 304 392
26 243 442 638 847 1,640 1,170 241 339 885 472 372 264
27 225 451 629 777 2,350 1,100 198 333 789 448 235 311
28 240 562 526 1,140 2,120 1,020 216 329 961 271 208 335
29 258 396 615 905 1,190 1,200 274 298 973 233 210 263
30 338   851 995 776 1,470 315 360 771 397 242 225
31 566   906   1,060   356 438   548   213