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USGS Daily Statistics for the Nation

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
1 194 376 529 918 1,090 1,030 1,510 303 221 526 1,130 240
2 193 308 419 931 1,010 1,200 1,210 344 198 585 1,390 221
3 194 262 606 747 906 828 992 351 361 1,550 948 220
4 220 359 626 544 853 871 709 480 259 1,590 634 343
5 375 454 739 484 682 961 938 320 286 1,080 480 565
6 304 313 603 640 1,080 1,330 789 283 339 485 319 425
7 219 295 395 426 1,040 1,280 656 287 307 305 268 274
8 214 307 404 429 1,460 911 516 267 283 320 258 222
9 226 311 437 555 1,760 1,110 379 332 299 617 294 249
10 222 328 626 565 1,530 1,320 469 348 309 952 310 279
11 217 326 925 847 999 1,240 438 226 345 1,450 273 252
12 228 338 701 886 671 1,240 473 257 400 1,220 252 231
13 217 351 522 609 611 1,200 560 397 978 707 202 220
14 193 303 632 985 788 1,280 860 501 1,180 664 210 273
15 190 280 632 963 736 1,440 1,060 532 445 540 424 309
16 265 360 785 944 705 997 814 306 321 335 608 297
17 369 345 1,010 777 1,440 887 746 457 273 288 1,170 263
18 343 374 975 553 2,030 911 505 763 240 476 794 222
19 323 356 878 956 1,350 978 344 567 304 299 388 239
20 379 327 1,050 789 1,190 958 298 411 305 205 464 519
21 269 397 809 650 1,340 866 334 276 338 193 533 370
22 267 459 652 639 1,240 1,510 624 216 419 209 317 238
23 297 397 839 1,150 1,030 1,040 610 282 499 224 254 210
24 371 537 1,460 1,120 1,330 1,170 429 295 533 221 264 298
25 332 693 1,190 959 1,850 1,690 352 288 500 234 304 392
26 243 445 644 847 1,640 1,170 241 339 885 472 372 264
27 225 454 635 777 2,350 1,100 198 333 789 448 235 311
28 240 567 531 1,140 2,120 1,020 216 329 961 271 208 335
29 258 396 621 905 1,190 1,200 274 298 973 233 210 263
30 338   859 995 776 1,470 315 360 771 397 242 225
31 566   915   1,060   356 438   548   213