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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 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 1,077.25 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 2013-10-01 -> 2024-09-30)

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
1 454 524 418 2,090 2,560 2,810 1,320 1,660 617 238 472 375
2 397 451 374 1,030 2,630 3,000 1,070 1,480 599 224 388 695
3 320 379 346 733 2,330 2,490 967 695 718 204 251 608
4 257 500 336 715 2,010 1,650 1,900 832 414 242 217 413
5 236 711 317 1,180 1,920 2,270 2,290 764 500 314 203 284
6 255 572 303 1,550 1,980 3,570 1,880 506 1,140 346 198 243
7 334 427 307 1,540 2,290 3,250 1,830 484 696 466 196 218
8 351 359 467 1,030 2,380 2,520 2,170 457 406 743 198 204
9 395 353 400 583 2,740 1,900 1,430 899 968 1,780 186 196
10 318 341 502 509 2,660 2,030 978 979 1,540 2,130 181 187
11 308 300 449 483 2,490 1,560 1,820 591 1,740 2,030 172 180
12 345 292 469 472 1,850 1,420 1,560 388 1,520 1,890 166 174
13 320 283 728 482 963 1,120 1,340 534 624 836 164 193
14 285 272 1,170 577 1,160 879 888 425 374 574 161 211
15 273 263 984 521 1,760 983 698 391 310 597 158 508
16 277 254 561 441 1,500 1,490 863 300 346 483 156 572
17 286 252 469 468 2,230 1,660 870 287 437 400 157 411
18 382 247 689 514 2,600 1,520 720 258 430 323 155 345
19 590 244 777 577 2,910 881 598 352 326 275 153 299
20 518 243 656 838 2,470 676 500 324 289 248 152 291
21 400 245 511 787 3,140 579 568 404 227 224 163 286
22 337 253 735 560 3,390 579 537 562 218 208 159 281
23 356 317 874 520 2,980 1,410 461 365 214 273 153 283
24 515 701 867 583 3,760 2,220 407 257 194 228 151 346
25 704 941 936 565 4,600 2,270 376 276 837 461 150 663
26 745 782 721 843 5,370 2,250 339 431 844 378 157 428
27 566 574 651 1,610 6,600 1,890 533 635 602 231 162 610
28 488 509 672 1,860 6,510 1,780 700 560 380 287 156 799
29 426 761 1,170 1,070 5,890 1,230 502 333 342 421 168 854
30 379   2,620 1,420 4,740 920 501 319 277 340 181 504
31 445   2,440   3,660   1,130 391   341   436