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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
1 947 1,030 1,150 2,040 1,460 1,070 643 509 402 560 647 916
2 1,020 1,020 1,110 2,050 1,430 1,060 596 470 428 539 645 915
3 996 1,060 1,160 2,060 1,410 1,020 586 456 407 522 678 934
4 997 1,100 1,210 2,060 1,450 1,000 543 452 418 519 716 902
5 974 1,090 1,260 2,060 1,410 957 570 463 412 511 720 906
6 979 1,040 1,340 2,070 1,340 956 574 450 406 495 719 934
7 1,010 1,040 1,490 2,060 1,310 972 554 457 454 504 695 970
8 1,030 1,070 1,430 2,000 1,280 937 542 461 438 511 697 981
9 1,020 1,000 1,450 1,920 1,280 889 518 448 445 540 719 967
10 1,050 958 1,460 1,880 1,260 892 519 456 446 522 731 975
11 1,040 996 1,440 1,840 1,240 864 492 449 436 491 716 1,000
12 1,020 1,020 1,540 1,810 1,250 828 488 489 443 490 773 1,040
13 1,030 979 1,600 1,870 1,220 842 483 507 438 497 784 1,030
14 1,010 1,010 1,590 1,870 1,200 874 514 502 425 492 790 1,000
15 1,010 1,010 1,620 1,810 1,180 866 515 474 426 594 781 1,000
16 1,020 1,040 1,640 1,850 1,170 800 492 474 440 591 771 981
17 981 1,020 1,680 1,950 1,190 813 488 442 483 569 777 977
18 936 1,030 1,750 1,860 1,190 803 545 456 518 575 778 1,040
19 953 1,050 1,810 1,810 1,170 767 516 747 547 582 766 1,030
20 1,000 1,040 1,800 1,820 1,150 720 502 646 563 587 768 984
21 989 1,040 1,770 1,750 1,110 707 499 520 843 653 803 1,010
22 1,010 1,060 1,850 1,700 1,100 680 528 474 773 640 790 1,040
23 1,020 1,090 1,840 1,690 1,040 668 516 450 675 606 816 987
24 1,070 1,130 1,780 1,640 1,050 666 587 451 583 622 799 982
25 1,250 1,190 1,760 1,610 1,070 710 571 400 552 652 819 979
26 1,310 1,230 1,740 1,560 1,080 664 511 422 542 670 836 1,060
27 1,320 1,190 1,780 1,590 1,040 633 514 427 575 642 875 1,040
28 1,320 1,180 1,810 1,570 999 643 494 447 552 649 858 995
29 1,210 1,210 1,850 1,540 960 651 500 461 555 657 907 978
30 1,100   1,930 1,510 975 647 510 425 589 677 921 976
31 1,070   1,990   1,050   504 416   671   974