AIR TEMPERATURE

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 degrees celsius. For details about the data, press here.

The highest reading, 40, occurred in 6/88, and the lowest, -5.8, in 2/94. All of the readings above 30 (11 percent of the samples), are shown in red and all that are below 4.5 (another 10 percent), are in blue.

 Averages by
Season and by
5-year Period:
 
(Overall = 17.1)
Jan-Mar7.49
Apr-Jun 20.5
Jul-Sep 26.6
Oct-Dec 11.2
1980-84 15.6
1985-89 16.2
1990-94 16.5
1995-99 17.4

YearJanFebMar AprMayJunJulAug SepOctNovDec
1980                   12 1.0 0
1981 -1 12 7.5 12 20.5 24 32.5 29 20 20 12 3.0
1982 2.0 -3.5 2.5 22 21 25 28.5 25 22.5 17.5 17 12.5
1983 7.0   10 14 16 27 34 22 33 10 5.5 0
-0.5
1984 6.0   6.0 19 25.5 27.5 30 31 22 20.5 9.0 4.0
1985 <4.99   15 18 22.5 20 21
21		 25 24 18.5 19 3.5
1986 10   12.5 11 17 22.5 25.5 31 25.5 13 .5 5.5
1987 6.5   3.0 10 16.5 27 26 27 27 19 16 4.0
1988 7.5   10.5 8.0
16		 21.5
28		 40
26		 32
29.5		 29
25.5		 15.5 18.5
21.5		 17 .5
1989 7.0 1.0
4.5		 18
28		 17.5
19		 25
29		 20.5
30		 28
30		 26.5
27		 24.5
18.5		 19.5 9.0 3.0
1990 4.0
19		 9.5
7.0		 20
13		 14.5
18.5		 19
14.5		 32
25.5		 30
28.5		 25
20		 25
19		 19
20		 19
11		 10.5
7.0
1991 4.5   11 9.5   33 27 27 25 19.5 10 -3
1992 16   8.0 12 15 26 25.5 25 30 13
13		   -1
1993   -0.5 8.0
13
8.0		 11
12
13.5
21		 12
24
18
19		 18
26.8
26.5
29
30		 33
34
19
29		 25
30
30		 28
25
25
17
24		 20
14
15		 15
13.1		 10
12.2
1994 4.2 -5.8
3.5		 5.7
9.0		 12.5
9.5
27
18.3		 8.7
19
10
26.8
25		 22
30.1
22.7
22.6
29.6		 28
26
31
28.8		 34.4
22.4
27
21.7
20.4
18.2		 31.5 24.0 14.0 10.0
1995 5.0 -4.0 18.0 11.0 25.0 23.0 29.0
34.0		 33.0 22.0 14.0    
1996 8.0 10.0   10.0   26.0 25.0 34.0 27.0 21.0   10.0
1997   11.0   22.0 22.0
21.0		 33.0 33.0
33.0
24.0		 25.5
25.5
25.0		 17.0
20.0
20.0
17.0