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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 06799000 Elkhorn River at Norfolk, Nebr.


Madison County, Nebraska
Hydrologic Unit Code 10220001
Latitude  42°00'13.6", Longitude  97°25'33.7" NAD83
Drainage area 2,790  square miles
Contributing drainage area 1,790.00  square miles
Gage datum 1,500.95 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 1945-10-01 -> 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
1 311 360 665 1,190 918 1,280 621 333 269 296 363 373
2 321 360 636 1,160 963 1,200 589 331 262 313 358 380
3 313 370 620 1,150 1,000 1,090 587 316 261 316 358 375
4 310 382 639 1,100 1,020 1,050 559 302 267 339 357 372
5 311 394 657 1,050 1,000 1,000 551 311 271 339 353 368
6 323 407 668 1,050 1,030 878 584 312 266 341 353 360
7 318 432 674 1,080 998 928 568 297 256 360 352 359
8 316 444 689 1,100 1,010 970 566 288 249 375 349 360
9 314 505 761 1,080 1,010 851 545 278 248 394 352 355
10 310 469 801 1,060 1,050 923 505 277 253 387 359 347
11 306 448 802 1,020 990 968 494 311 255 369 359 342
12 305 441 796 989 927 1,020 494 338 293 365 360 345
13 306 443 842 959 880 1,030 508 373 299 373 355 350
14 311 447 1,110 955 837 1,200 480 351 311 368 354 346
15 308 462 998 1,000 808 1,380 452 375 335 381 364 337
16 303 480 953 1,040 761 1,450 460 359 343 387 370 333
17 308 508 977 1,020 759 1,230 466 361 327 378 364 321
18 312 528 1,030 991 778 1,150 475 336 309 377 361 321
19 313 672 1,050 983 804 927 518 316 342 378 363 321
20 320 631 1,080 988 854 881 477 331 334 374 371 331
21 323 605 1,060 1,000 921 950 521 346 330 371 375 334
22 331 585 1,000 999 917 932 479 396 336 363 370 333
23 334 596 1,070 1,000 932 917 470 507 341 371 369 332
24 337 618 1,080 986 945 955 439 344 338 362 367 329
25 338 651 1,080 973 993 935 408 308 332 360 359 334
26 343 649 1,050 991 1,010 942 385 308 323 365 353 345
27 349 652 1,070 967 1,010 893 376 300 311 364 353 344
28 353 659 1,100 906 992 852 374 300 302 354 353 335
29 351 890 1,130 880 988 743 374 296 298 350 351 331
30 350   1,230 881 1,110 681 369 288 306 355 356 328
31 353   1,240   1,240   347 287   362   326