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USGS Daily Statistics for Kansas

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Historic (pre-2007) gage-height data may contain erroneous values, such as pressure sensors encased in ice, even if they are flagged as approved. These data are made available to the public, but data users are cautioned to carefully screen the data and contact the USGS Kansas Water Science Center if they have questions or concerns about specific values.



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 07182260 COTTONWOOD R AT EMPORIA, KS


Lyon County, Kansas
Hydrologic Unit Code 11070203
Latitude  38°23'06.40", Longitude  96°10'53.10" NAD83
Drainage area 1,833.00  square miles
Contributing drainage area 1,833.00  square miles
Gage datum 1,090.00 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 2013-10-01 -> 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
1 597 322 269 3,160 4,200 2,210 672 392 953 346 610 400
2 514 328 261 1,350 4,280 1,840 660 394 928 323 503 907
3 398 327 250 860 3,800 1,550 832 547 1,120 290 301 831
4 304 321 245 855 3,110 1,350 2,200 1,110 604 352 245 540
5 274 309 231 1,730 1,770 1,500 3,200 1,050 382 473 224 356
6 306 273 228 2,420 1,130 2,710 2,730 648 1,220 528 216 301
7 430 262 242 2,400 2,390 2,150 2,710 632 824 729 212 268
8 442 249 250 1,400 3,510 1,620 3,300 602 520 1,190 208 249
9 364 233 246 624 4,020 1,410 2,070 1,340 1,510 2,920 206 240
10 264 227 249 524 3,930 2,310 1,320 1,480 2,470 3,500 203 228
11 272 239 239 516 3,720 1,850 2,740 844 2,800 3,300 197 219
12 370 251 247 519 2,720 1,360 2,320 518 2,450 2,890 194 212
13 387 252 746 499 1,240 1,080 2,010 514 949 1,200 192 238
14 346 242 1,680 714 1,060 897 1,300 460 544 692 190 262
15 328 238 1,330 648 1,070 1,150 986 348 444 717 186 725
16 335 230 598 503 990 2,020 916 299 472 647 186 788
17 353 227 382 455 2,130 2,300 764 340 633 573 189 542
18 499 223 333 494 3,040 2,200 646 312 634 465 187 453
19 829 218 317 649 3,390 1,170 590 478 473 394 183 389
20 722 221 295 1,160 3,000 856 579 429 418 355 180 381
21 543 228 284 1,090 4,540 714 565 566 317 318 184 377
22 442 233 268 704 4,990 635 535 837 287 293 179 366
23 451 346 262 639 4,150 1,860 519 513 257 276 178 358
24 431 753 258 640 5,580 3,320 486 340 255 261 177 352
25 424 564 356 552 6,900 3,350 456 376 1,330 236 174 290
26 401 414 371 833 6,850 3,130 415 639 1,350 235 181 223
27 388 333 476 2,420 8,070 1,510 531 983 946 235 184 663
28 378 291 625 2,510 7,320 821 532 844 578 228 179 1,060
29 367 181 1,590 1,160 7,220 731 531 465 517 227 199 1,180
30 344   3,290 2,060 6,230 711 501 453 411 224 218 656
31 328   3,410   4,410   448 575   350   562