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USGS Daily Statistics for Connecticut

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ICE EFFECTS ON STREAMFLOW - During winter, ice formation may cause stage and discharge values to appear higher than expected. Ice effects may be minor (occurring only at night and early morning) with baseline flows obvious, or the effects may be major (stage constantly increases over several days or weeks) resulting in greatly erroneous discharge. Streamgages experiencing minor ice conditions will continue to display stage and discharge values to enable users to estimate the approximate base-line stage and discharge. Streamgages experiencing major ice conditions will have the discharge record temporarily disabled to prevent use of erroneous discharge values. The discharge record will resume when it is determined that ice conditions are no longer present. Daily mean discharges during periods of ice effect will be estimated after detailed data analysis.

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 01205500 HOUSATONIC RIVER AT STEVENSON, CT


New Haven County, Connecticut
Hydrologic Unit Code 01100005
Latitude  41°23'01.69", Longitude  73°09'59.90" NAD83
Drainage area 1,544  square miles
Gage datum 24.98 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 1928-10-01 -> 2021-09-30)

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 3,020 2,750 3,290 5,960 3,850 3,150 1,770 1,270 808 1,500 1,790 3,040
2 3,420 2,830 3,250 5,890 3,700 3,160 1,700 1,230 856 1,490 1,760 3,130
3 3,500 3,260 3,340 6,090 3,660 2,970 1,610 1,170 904 1,430 1,930 3,050
4 3,340 3,060 3,510 6,360 3,620 2,640 1,180 1,140 959 1,400 2,060 2,900
5 3,110 2,980 3,710 6,600 3,550 2,570 1,590 1,210 919 1,270 2,220 2,910
6 3,190 2,820 4,110 6,290 3,440 2,770 1,480 1,060 1,000 1,240 2,100 3,070
7 3,140 2,820 4,690 6,090 3,450 2,760 1,480 1,120 996 1,300 2,100 3,170
8 3,110 2,860 4,210 5,800 3,240 2,690 1,490 1,090 1,210 1,330 2,150 3,140
9 3,120 2,710 4,160 5,410 3,300 2,500 1,250 1,250 1,210 1,400 2,330 3,170
10 3,220 2,750 4,070 5,460 3,160 2,520 1,240 1,280 1,110 1,540 2,390 3,330
11 3,000 2,840 4,270 5,270 3,280 2,290 1,200 1,310 1,040 1,340 2,230 3,180
12 2,920 2,820 4,750 4,940 3,320 2,360 1,160 1,300 1,160 1,390 2,210 3,430
13 2,990 2,850 4,560 5,160 3,370 2,430 1,230 1,280 988 1,380 2,280 3,480
14 3,120 2,880 4,620 5,090 3,270 2,420 1,260 1,290 1,100 1,330 2,260 3,250
15 3,210 2,900 4,830 5,080 3,240 2,330 1,250 1,130 1,160 1,800 2,310 3,260
16 2,900 2,820 4,900 5,450 3,290 2,160 1,430 1,020 1,140 2,050 2,350 3,000
17 2,760 2,920 4,890 5,370 3,360 2,220 1,310 1,140 1,300 1,770 2,290 3,050
18 2,770 2,880 5,060 5,120 3,260 2,180 1,240 1,140 1,230 1,720 2,280 3,120
19 2,890 2,860 5,020 5,010 3,260 2,230 1,190 1,450 1,420 1,690 2,380 2,910
20 2,970 2,750 5,030 4,820 3,200 2,130 1,040 1,580 1,400 2,090 2,490 2,890
21 2,930 2,910 5,000 4,660 3,040 1,990 1,230 1,400 1,550 2,170 2,620 3,350
22 3,030 3,010 5,590 4,530 3,040 1,870 1,370 1,300 1,750 1,950 2,570 3,450
23 2,950 3,080 5,520 4,410 2,970 1,840 1,450 1,100 1,590 1,880 2,670 3,130
24 3,180 3,350 5,290 4,550 3,060 1,840 1,440 941 1,550 1,890 2,410 3,050
25 3,910 3,530 5,210 4,550 2,970 1,840 1,240 1,160 1,400 1,780 2,480 2,720
26 4,070 3,780 5,100 4,270 2,940 1,750 1,250 1,020 1,420 1,980 2,640 3,250
27 3,820 3,460 5,300 4,140 2,930 1,700 1,180 1,020 1,630 1,870 2,760 3,310
28 3,790 3,540 5,380 4,070 2,830 1,720 1,240 1,310 1,480 1,940 2,730 3,200
29 3,440 3,240 5,540 3,980 2,770 1,690 1,270 1,360 1,460 1,700 2,890 3,140
30 3,070   5,550 3,840 2,820 1,790 1,310 1,040 1,560 1,670 3,040 3,020
31 2,860   5,940   2,990   1,230 940   1,830   3,350