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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 90 - 91 years 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
1 877 992 1,130 2,040 1,420 1,070 645 498 398 532 617 886
2 964 983 1,090 2,060 1,380 1,070 585 459 376 524 619 887
3 940 1,030 1,130 2,080 1,370 1,040 558 444 369 512 659 905
4 946 1,060 1,190 2,060 1,420 1,010 515 442 396 503 703 871
5 927 1,040 1,250 2,070 1,370 968 543 458 392 483 714 876
6 931 993 1,340 2,090 1,300 970 557 446 386 469 716 903
7 973 995 1,480 2,080 1,270 993 532 453 435 485 694 942
8 1,000 1,030 1,410 2,020 1,250 955 519 454 426 494 695 957
9 994 958 1,440 1,930 1,250 904 491 442 436 528 720 949
10 1,000 916 1,450 1,890 1,240 908 489 454 434 515 733 943
11 986 955 1,420 1,850 1,220 880 471 446 421 483 718 943
12 985 986 1,540 1,820 1,240 843 462 489 424 483 773 982
13 982 942 1,600 1,880 1,210 858 453 509 422 491 777 988
14 961 973 1,580 1,860 1,190 892 485 505 405 483 783 952
15 971 986 1,620 1,800 1,170 882 483 473 412 594 750 946
16 977 1,010 1,620 1,830 1,170 811 464 473 428 593 738 929
17 932 998 1,670 1,940 1,190 827 450 442 476 556 751 923
18 892 999 1,760 1,850 1,180 817 458 454 511 558 749 990
19 914 1,020 1,820 1,800 1,170 777 441 754 540 572 740 955
20 961 1,020 1,800 1,800 1,160 729 450 648 559 582 739 923
21 955 1,020 1,780 1,740 1,100 716 458 518 858 651 779 959
22 978 1,040 1,870 1,690 1,090 688 487 472 780 624 768 986
23 993 1,070 1,850 1,660 1,040 676 469 443 677 596 794 928
24 1,030 1,110 1,760 1,610 1,050 674 556 439 581 615 776 921
25 1,170 1,180 1,730 1,580 1,070 721 548 389 546 648 791 909
26 1,240 1,220 1,720 1,540 1,090 672 488 415 534 664 812 973
27 1,250 1,180 1,770 1,530 1,060 639 496 421 573 631 843 967
28 1,270 1,160 1,810 1,520 1,000 648 476 444 551 637 822 934
29 1,160 1,160 1,840 1,500 950 651 486 461 545 646 881 912
30 1,050   1,930 1,470 968 650 490 423 546 661 903 914
31 1,020   2,000   1,050   488 411   650   909