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USGS Daily Statistics for Connecticut

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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 01172010 CONNECTICUT R AT I-391 BRIDGE AT HOLYOKE, MA


Hampden County, Massachusetts
Hydrologic Unit Code 01080201
Latitude  42°11'29.29", Longitude  72°36'33.52" NAD83
Drainage area 8,332  square miles
Gage datum 32.42 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 2002-10-01 -> 2020-09-30)

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 18,000 14,100 15,500 35,600 32,000 16,400 14,300 9,060 8,350 10,500 21,900 20,700
2 17,300 13,600 15,000 37,100 31,400 16,200 14,700 9,150 7,830 12,000 19,600 21,800
3 16,600 13,200 16,000 37,600 29,300 15,800 16,100 8,740 7,670 12,900 19,100 22,800
4 16,700 13,700 15,800 38,300 27,900 15,300 15,400 9,160 7,350 12,200 18,500 22,500
5 16,200 14,600 15,100 40,200 26,300 14,600 13,400 10,100 6,920 10,800 17,700 20,200
6 15,900 15,700 14,700 38,600 25,400 14,200 12,500 10,100 7,500 9,540 16,900 17,500
7 15,800 16,300 15,700 35,600 24,400 16,000 10,900 9,730 8,500 8,070 16,600 16,100
8 16,100 15,500 16,800 34,600 22,600 16,700 9,420 9,730 9,740 7,810 15,800 16,700
9 16,600 13,900 17,900 35,500 21,400 15,600 9,390 9,060 9,660 11,600 15,600 16,600
10 16,600 12,800 19,500 34,900 20,600 13,300 9,370 8,640 8,350 12,200 15,100 16,200
11 16,500 13,100 19,500 35,200 19,700 14,100 9,830 9,540 7,490 9,920 15,300 16,600
12 17,200 12,500 20,800 36,700 19,700 15,500 9,640 9,920 7,030 9,580 14,400 19,000
13 19,900 11,900 20,800 37,000 19,900 16,000 9,500 9,830 6,800 9,150 14,500 21,100
14 23,200 12,500 22,000 39,900 19,300 16,000 9,460 9,930 7,220 8,700 14,900 20,000
15 24,200 12,200 23,400 42,000 20,600 15,200 9,020 9,220 6,670 11,100 14,800 19,000
16 22,800 12,500 23,100 43,600 21,500 14,000 8,570 7,750 6,330 14,600 15,600 17,600
17 19,800 12,300 22,900 45,000 22,400 12,900 7,970 7,420 5,560 15,800 16,500 17,600
18 17,900 12,800 22,600 43,600 23,600 12,100 7,640 7,660 6,410 15,200 18,400 17,900
19 18,400 13,900 22,800 41,000 22,400 12,500 7,440 7,190 8,330 13,700 17,800 17,800
20 18,000 13,200 23,200 38,300 21,500 12,300 7,890 6,630 6,950 13,100 16,700 17,500
21 17,300 12,800 22,800 38,000 21,100 11,400 7,880 6,600 5,440 13,400 17,500 16,500
22 16,400 12,900 22,700 37,000 19,200 11,200 7,830 7,050 4,870 13,300 16,900 18,100
23 15,400 13,400 22,600 36,500 18,200 11,100 9,360 8,460 5,490 12,700 16,500 19,000
24 14,700 13,500 23,100 37,200 18,100 11,900 11,400 7,410 6,060 13,600 16,300 21,000
25 16,100 15,600 21,900 36,700 18,400 11,100 11,700 6,790 5,950 14,600 15,900 23,100
26 17,300 18,700 21,400 34,800 18,900 11,600 11,300 5,820 6,150 17,200 15,500 23,500
27 17,400 19,000 21,900 35,000 19,700 11,900 10,700 5,480 6,480 18,800 15,800 23,400
28 16,400 17,500 23,100 34,400 18,800 12,300 9,670 6,430 6,520 20,800 16,900 22,000
29 14,900 19,300 26,000 33,100 17,900 14,300 9,180 10,200 8,480 23,400 18,000 21,500
30 13,800   30,500 32,300 18,500 15,000 8,970 10,900 9,880 25,100 19,300 21,900
31 13,600   34,200   17,900   9,280 9,420   24,900   20,300