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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 01502500 UNADILLA RIVER AT ROCKDALE NY


Chenango County, New York
Hydrologic Unit Code 02050101
Latitude  42°22'40", Longitude  75°24'22" NAD83
Drainage area 520  square miles
Contributing drainage area 520  square miles
Gage datum 991.95 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 1929-10-01 -> 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 1,160 851 1,010 2,680 1,240 659 620 343 305 373 664 975
2 1,140 900 1,010 2,650 1,230 725 591 321 400 417 662 997
3 1,070 922 1,030 2,690 1,150 730 545 269 341 416 715 963
4 1,030 895 1,100 2,770 1,150 709 473 271 262 379 677 1,030
5 964 822 1,340 2,900 1,100 621 399 299 232 376 644 1,050
6 945 810 1,640 2,770 1,040 652 392 251 226 403 703 1,030
7 977 861 1,610 2,710 1,020 642 373 235 285 461 755 1,060
8 903 845 1,600 2,600 1,000 581 406 231 418 446 733 1,030
9 868 785 1,600 2,360 1,040 557 413 256 372 430 755 1,020
10 877 770 1,490 2,280 1,000 547 368 270 308 428 795 1,040
11 871 863 1,480 2,260 1,020 538 327 268 275 367 823 1,140
12 878 911 1,670 2,160 990 532 326 249 263 343 761 1,130
13 934 861 1,700 2,080 996 542 341 238 255 343 732 1,150
14 977 888 1,700 2,020 1,010 608 319 239 235 348 757 1,120
15 952 935 1,760 1,890 953 606 308 233 239 410 769 1,090
16 896 1,040 1,800 1,900 944 583 290 214 252 506 809 1,000
17 804 1,040 1,940 1,980 1,020 556 280 239 253 603 969 935
18 811 999 1,970 1,820 962 557 313 272 323 648 923 1,010
19 817 950 1,770 1,650 901 483 289 281 349 616 865 1,060
20 794 1,020 1,830 1,610 884 450 280 257 336 586 904 962
21 799 1,140 1,880 1,570 924 459 307 246 348 636 931 990
22 871 1,200 1,990 1,520 930 503 338 246 381 562 871 1,050
23 932 1,180 1,990 1,510 888 516 430 240 358 528 886 1,000
24 948 1,190 1,910 1,470 829 495 377 229 376 592 888 1,040
25 1,070 1,260 1,980 1,460 759 471 325 207 371 610 889 1,120
26 1,120 1,280 2,090 1,410 760 465 279 186 366 660 919 1,100
27 1,110 1,160 2,290 1,360 746 467 272 194 418 739 1,010 1,050
28 1,030 1,090 2,260 1,340 725 666 305 225 502 815 1,060 1,080
29 878 829 2,220 1,300 704 726 323 313 429 799 1,080 1,140
30 828   2,330 1,210 724 668 318 361 358 718 1,030 1,230
31 850   2,530   641   310 296   653   1,280