STREAM FLOW

The measurements shown below were made at USGS station 01209710, located on the Norwalk River near the Perry Avenue bridge. All of the measurements are in cubic feet per second. For details about the data, press here.

The highest reading, 795, occurred in 12/90, and the lowest, 1.8, in 9/93. All of the readings above 124 (10 percent of the samples), are shown in red and all that are below 6.0 (another 10 percent), are in blue.

 Averages by
Season and by
5-year Period:
 
(Overall = 55.7)
Jan-Mar74.1
Apr-Jun 64.4
Jul-Sep 18.6
Oct-Dec 72.1
1980-84 70.2
1985-89 38.7
1990-94 58.3
1995-99 65.5

YearJanFebMar AprMayJunJulAug SepOctNovDec
1980                   4.4 17 10
1981 6.0 25 56 70 56 12 23 13 4.2 18 29 112
1982 30 55 62 59 37 185 3.2 35 28 254 17.9 56.1
1983 219   209 363 95 39 12.1 5.52 4.04 82 65 138
85
1984 65   172 331 45 38 141 22 24 47 62 35
1985 20   45 31 23 44 18 20 14 20 120 55
1986 37   49 43 15 11.6 4.7 12 8.9 14.1 30.4 66.4
1987 77   75 66 37 10.2 9.8 10.6 9.1 12 46 64
1988 77   80 25.8
22		 34
43		 11
7.3		 6.8
32		 7.5
5.7		 13 5.5
5.7		 28 29
1989 24 30
132		 30.9
77.1		 100
55		 178
97.3		 145
40.6		 18
12.8		 7.4
12.3		 7.68
18.3		 93 70 24
1990 41
45		 95
47		 41.8
86		 85
66.3		 67
88		 30
13		 10
7.8		 60
18.3		 11
14		 7.3
657		 34
69		 795
121
1991 64   127 28.6   11 4.98 7.26 9.09 18.4 35.4 54.5
1992 28.5   35.4 73.2 29.6 46 21.7 59 26.4 22
9.8		   43
1993   31.8 92
303
260		 120
137.3
165
109		 72
47
31
18		 38
17
9.9
7.9
9.0		 5.21
3.7
2.8
2.3		 2.4
2.8
2.4		 1.8
2.6
4.2
14		 22
18
7.0
15.6		 22
15		 103
13.5
1994 23 15
54		 195
116		 170
86
105
63		 45
63
181
44
23		 18
97
21
27		 13
16
10
6.0		 33
15
14
16
68
29		 8.0 38   100
1995 105 60 48 27 23 10 6.0 4.5 17 48    
1996 21 152   124   27 70 17 55 200   230
1997   91   120 62
40		 14
11		 15
15
19		 6.0
6.0
14		 6.5
6.5
4.5