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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 124.31 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 1927-10-01 -> 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
1 937 1,020 1,140 2,030 1,460 1,070 643 509 402 560 639 915
2 1,020 1,010 1,110 2,040 1,430 1,060 596 470 428 539 638 915
3 989 1,050 1,150 2,060 1,410 1,030 586 456 407 522 673 934
4 991 1,090 1,200 2,040 1,450 1,000 543 452 418 519 713 899
5 971 1,080 1,250 2,040 1,410 959 570 463 412 511 718 903
6 977 1,030 1,330 2,060 1,340 958 574 450 406 495 717 933
7 1,010 1,030 1,470 2,050 1,310 975 554 457 454 504 692 971
8 1,030 1,070 1,400 1,980 1,280 940 542 461 438 511 695 982
9 1,020 994 1,430 1,910 1,270 892 518 448 445 540 719 969
10 1,020 950 1,440 1,870 1,250 895 519 456 446 522 730 977
11 1,000 989 1,420 1,830 1,230 867 492 449 436 491 715 984
12 1,000 1,010 1,520 1,790 1,250 831 488 489 443 490 773 1,010
13 1,010 972 1,580 1,850 1,220 842 483 507 438 488 785 1,010
14 987 1,000 1,570 1,850 1,200 874 514 502 425 485 791 992
15 992 1,010 1,610 1,800 1,180 866 515 474 426 590 782 995
16 1,000 1,030 1,630 1,840 1,170 800 492 474 440 587 771 973
17 966 1,020 1,670 1,940 1,190 813 488 442 483 566 777 972
18 920 1,030 1,750 1,850 1,180 803 545 456 518 572 778 1,030
19 938 1,050 1,810 1,800 1,170 767 516 747 547 579 767 991
20 987 1,030 1,790 1,810 1,150 720 502 646 563 584 769 955
21 977 1,040 1,770 1,740 1,110 707 499 520 843 646 804 987
22 995 1,060 1,850 1,700 1,100 680 528 474 773 619 789 1,020
23 1,010 1,090 1,840 1,680 1,040 668 516 450 675 592 813 970
24 1,060 1,130 1,760 1,640 1,050 666 587 451 583 611 796 967
25 1,240 1,190 1,730 1,600 1,070 710 571 400 552 643 818 965
26 1,290 1,240 1,720 1,560 1,080 664 511 422 542 662 836 1,040
27 1,290 1,190 1,760 1,590 1,050 633 514 427 575 636 875 1,020
28 1,300 1,180 1,800 1,570 999 643 494 447 552 645 857 981
29 1,190 1,190 1,830 1,540 960 651 500 461 555 652 907 964
30 1,080   1,910 1,510 975 647 510 425 589 671 921 964
31 1,050   1,980   1,050   504 416   663   963