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USGS Daily Statistics for Massachusetts

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ICE EFFECTS ON STREAMFLOW

The formation of ice on rivers can cause discharge values to appear unusually high. Display of these erroneous discharge data may result in improper assessment of flow conditions and misuse of the data. For this reason, display of discharge values for streams significantly affected by ice may be disabled from view. Display of discharge data will resume when ice conditions are no longer present. Discharge values for streams minimally affected by ice will continue to be displayed. Flows for streams with these conditions appear to increase during the night and decrease to near-base-line conditions around midday. To estimate the correct discharge for these streams, use the flow rate that corresponds to the bottom of the discharge curve, rather than the peak that corresponds to the top of the curve. Note that this method of estimation is possible only when no surface runoff is occurring. Daily mean discharges for periods of both significant and minimal ice-effect will be estimated and published in the Annual Water-Data Report for the water year in which they occurred.


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 01177000 CHICOPEE RIVER AT INDIAN ORCHARD, MA


Hampden County, Massachusetts
Hydrologic Unit Code 01080204
Latitude  42°09'38", Longitude  72°30'52" NAD27
Drainage area 689  square miles
Contributing drainage area 689  square miles
Gage datum 125 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 1927-10-01 -> 2019-09-30)

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
1 898 1,010 1,130 2,040 1,450 1,070 645 498 398 532 617 907
2 983 1,000 1,090 2,060 1,410 1,070 585 459 376 524 619 909
3 957 1,040 1,130 2,080 1,390 1,040 558 444 369 512 659 931
4 963 1,080 1,200 2,060 1,440 1,010 515 442 396 503 703 896
5 944 1,060 1,250 2,070 1,400 969 543 458 392 483 714 900
6 950 1,010 1,340 2,090 1,320 971 557 446 386 469 716 925
7 989 1,010 1,480 2,080 1,290 991 532 453 435 485 694 962
8 1,020 1,050 1,400 2,010 1,270 955 519 454 426 494 695 976
9 1,010 976 1,440 1,930 1,260 903 491 442 436 528 720 966
10 1,020 933 1,450 1,890 1,250 908 489 454 434 515 733 958
11 998 970 1,420 1,850 1,230 880 471 446 421 483 718 957
12 994 998 1,540 1,820 1,250 843 462 489 424 483 773 993
13 992 953 1,590 1,880 1,230 858 453 509 422 491 777 997
14 970 984 1,580 1,860 1,210 892 485 505 405 483 783 961
15 979 997 1,620 1,810 1,190 882 483 473 412 594 777 955
16 984 1,020 1,640 1,850 1,180 811 464 473 428 593 765 939
17 939 1,010 1,680 1,950 1,200 827 450 442 476 556 773 937
18 898 1,010 1,760 1,860 1,190 817 458 454 511 558 775 1,000
19 920 1,030 1,820 1,810 1,180 777 441 754 540 572 766 966
20 967 1,020 1,800 1,810 1,170 729 450 648 559 582 768 933
21 957 1,030 1,780 1,750 1,110 716 458 518 858 651 808 972
22 982 1,050 1,870 1,710 1,100 688 487 472 780 624 792 1,010
23 997 1,080 1,860 1,690 1,040 676 469 443 677 596 814 954
24 1,050 1,120 1,770 1,630 1,060 674 556 439 581 615 794 943
25 1,240 1,180 1,740 1,600 1,080 721 548 389 546 648 807 930
26 1,280 1,230 1,720 1,560 1,100 672 488 415 534 664 829 991
27 1,270 1,180 1,770 1,590 1,060 639 496 421 573 631 870 982
28 1,290 1,160 1,810 1,570 1,010 648 476 444 551 637 853 948
29 1,180 1,160 1,840 1,550 956 651 486 461 545 646 907 930
30 1,080   1,920 1,500 973 650 490 423 546 661 926 931
31 1,040   2,000   1,050   488 411   650   924