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USGS Daily Statistics for New York

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 2,700 1,240 663 622 346 306 373 664 975
2 1,140 900 1,010 2,670 1,230 731 594 323 402 417 662 997
3 1,070 922 1,020 2,700 1,150 736 548 269 343 416 715 963
4 1,030 895 1,090 2,770 1,150 715 476 272 263 379 677 1,030
5 964 822 1,340 2,900 1,100 626 401 300 233 376 644 1,050
6 945 810 1,640 2,780 1,040 658 394 252 227 403 703 1,030
7 977 861 1,580 2,720 1,020 644 375 232 287 461 755 1,060
8 903 843 1,580 2,610 1,010 583 409 229 420 446 733 1,030
9 868 782 1,590 2,370 1,040 558 416 240 374 430 755 1,020
10 877 767 1,450 2,280 1,000 545 371 234 309 428 795 1,040
11 871 860 1,440 2,270 1,020 538 326 253 275 367 823 1,140
12 878 910 1,650 2,160 992 533 325 242 263 343 761 1,130
13 934 861 1,700 2,080 999 544 342 233 255 343 732 1,150
14 977 889 1,700 2,020 1,010 612 320 235 236 348 757 1,120
15 952 937 1,760 1,890 957 610 309 231 240 410 769 1,090
16 896 1,040 1,800 1,910 946 587 291 212 254 506 809 1,000
17 804 1,050 1,940 1,990 1,020 560 281 238 255 603 969 935
18 811 1,000 1,980 1,820 966 561 314 271 325 648 923 1,010
19 817 953 1,780 1,650 905 486 290 279 351 616 865 1,060
20 794 1,030 1,830 1,610 889 453 281 255 338 586 904 962
21 799 1,150 1,880 1,570 930 462 309 244 351 636 931 990
22 871 1,210 2,000 1,520 936 504 340 244 384 562 871 1,050
23 932 1,190 1,990 1,520 894 517 434 239 361 528 886 1,000
24 948 1,190 1,920 1,470 834 497 379 228 376 592 888 1,040
25 1,070 1,270 1,980 1,460 764 473 325 206 371 610 889 1,120
26 1,120 1,290 2,090 1,420 765 467 280 186 366 660 919 1,100
27 1,110 1,160 2,290 1,370 751 469 273 194 418 739 1,010 1,050
28 1,030 1,100 2,260 1,340 729 671 307 226 502 815 1,060 1,080
29 878 803 2,220 1,300 707 732 325 314 429 799 1,080 1,140
30 828   2,330 1,210 729 669 320 363 358 718 1,030 1,230
31 850   2,540   645   313 297   653   1,280