Connecticut State The Connecticut Agricultural Experiment Station

Daily Temperatures, Rain Events, Humidity, and Growing Degree Days 2020

For current Growing Degree Day information
Please call: (203)-974-8618
or Toll Free 1-(877)-855-2237 ask for extension 8618

or see the table below...

March 1st - October 31st 2020: Table showing the daily maximum and minimum temperatures, rain events, humidity, and growing degree days observed at our weather station, Lockwood Farm, Hamden at 8:00am.  Our Growing Degree Days are based on 50 degrees Fahrenheit.

Click on the name of the month to go to it directly.
[March] [April] [May] [June] [July] [August] [September] [October]

Day of the Month 24 hours ending observation:  MIN. temperature (F) 24 hours ending observation:  MAX. temperature (F) Rain Event (inches) Humidity Growing degree days
March 1 18 35 0 45 0
2
 24 40 0 63 0
3
 39 55 0.01 73 1.23
4
 43 61 0.16 38 5.12
5
 34 54 trace 38 5.9
6
 28 51 0 56 5.99
7
 32 49 0.06 30 5.99
8
 29 44 0 30 5.99
9
 34 59 0 39 8.37
10
 37 72 0 73 16.26
11
 39 65 trace 43 21.42
12
 34 54 0 61 22.2
13
 37 50 0.94 74 22.2
14
 31 69 0.17 37 28.25
15
 38 53 0 48 28.83
16
 26 52 0 30 29.07
17
 27 45 0.14 76 29.07
18
 28 50 trace 71 29.07
19
 38 55 0.81 74 30.25
20
 38 46 0.04 74 30.25
21
 39 66 0.01 47 35.84
22
 27 51 0 30 35.92
23
 31 44 0 58 35.92
24
 32 37 1.22 65 35.92
25
 33 50 0 67 35.92
26
 32 44 0.01 65 35.92
27
 37 58 0 62 38.11
28
 35 64 0 59 42.48
29
 43 53 0.59 73 43.2
30
 39 47 0.27 72 43.2
31
 37 47 0.01 68 43.2
Day of the Month
24 hours ending observation:  MIN. temperature (F)
24 hours ending observation:  MAX. temperature (F)
Rain Event (inches)
Humidity
Growing degree days
33 52 0 61 43.48
2
 37 53 0 50 44.04
3
 41 55 0.1 70 45.36
4
 44 53 0.1 59 46.12
5
 44 58 0 65 48.86
6
 40 57 0 49 50.86
7
 41 63 0 43 55.39
8
 44 67 0.35 74 61.86
9
 38 58 trace 74 64.10
10
 39 53 0.57 35 64.71
11
 39 49 0 34 64.71
12
 28 53 0 40 65.15
13
 49 59 0.67 72 68.53
14
 44 59 2.06 46 71.69
15
 39 57 0 40 73.62
16
 31 50 trace 71 73.62
17
 26 47 0 41 73.62
18
 35 50 0.58 73 73.62
19
 29 44 trace 36 73.62
20
 45 59 0 45 76.88
21
 34 55 0 74 77.95
22
 33 52 0.34 35 78.22
23
 25 47 0 39 78.22
24
 38 47 0.25 73 78.22
25
 32 47 0.17 48 78.22
26
 43 66 0 44 84.2
27
 38 51 0.19 70 84.32
28
 40 45 0.02 58 84.32
29
 40 62 0 68 88.33
30
 43 58 0.36 74 90.97
Day of the Month
24 hours ending observation:  MIN. temperature (F)
24 hours ending observation:  MAX. temperature (F)
Rain Event (inches)
Humidity
Growing degree days
May 1
 45 56 1.11 73 92.97
2
 49 66 trace 34 98.7
3
 53 70 0.05 67 110.2
4
 56 76 trace 28 126.2
5
 42 70 0 34 133.73
6
 40 61 0 55 137.33
7
 37 56 0.15 37 138.81
8
 44 65 0 42 144.46
9
 33 54 0.51 29 145.22
10
 28 45 0 30 145.22
11
 37 64 0 58 149.77
12
 34 62 0.09 44 153.27
13
 36 58 0 39 155.4
14
 33 61 0 33 158.46
15
 53 69 0.29 74 169.46
16
 62 82 0.44 38 191.46
17
 50 76 0 41 204.46
18
 51 68 0 64 213.96
19
 48 70 0 37 221.41
20
 45 68 0 40 228.33
21
 34 66 0 46 233.42
22
 45 69 0 58 240.74
23
 64 77 0 72 261.24
24
 46 67 0.56 47 267.79
25
 49 73 trace 74 275.74
26
 59 69 0 74 289.74
27
 59 78 0 74 308.24
28
 62 79 0.04 74 328.74
29
 64 76 0.18 73 348.74
30
 64 77 0.01 69 369.24
31
 55 80 0 43 386.74
Day of the Month
24 hours ending observation:  MIN. temperature (F)
24 hours ending observation:  MAX. temperature (F)
Rain Event (inches)
Humidity
Growing degree days
40 68 0 40 393.26
2
 43 68 0
 
51		 400.06
3
 54 73 0 58 413.56
4
 60 82 0.11 66
434.56
5
 65 87 0.15 74 460.56
6
 67 76 0.11 72 482.06
7
 57 86 trace 40 503.56
8
 49 73 0 40 511.51
9
 53 79 0 40 527.51
10
 63 86 0 48 552.01
11
 68 84 0 74 578.01
12
 66 75 0.64 74 598.51
13
 56 84 0 40 618.51
14
 48 74 0 46 627.32
15
 50 76 0 50 640.32
16
 50 76 0 59 653.32
17
 50 78 0 60 667.32
18
 63 83 0 74 690.32
19
 66 82 0 64
20
 62 84 0 45 737.32
21
 62 88 0 47 762.32
22
 64 90 0 62 789.32
23
 64 92 0 70 817.32
24
 70 87 0 72 845.82
25
 62 87 0 58 870.32
26
 58 86 0 43 892.32
27
 58 88 0 46 915.32
28
 61 84 0.67 70 937.82
29
 64 86 0.8 72 962.82
30
 62 80 0.04 72 983.82
Day of the Month
24 hours ending observation:  MIN. temperature (F)
24 hours ending observation:  MAX. temperature (F)
Rain Event (inches)
Humidity
Growing degree days
61 76 0.2 72 1002.32
2
 59 84 0.09 70 1023.82
3
 73 89 0 68 1054.82
4
 64 90 1.81 70 1081.82
5
 64 85 0 72 1106.32
6
 66 91 0 54 1134.82
7
 65 92 0 72 1163.32
8
 67 72 0.04 74 1182.82
9
 68 84 0.19 72 1208.82
10
 69 89 0 72 1237.82
11
 71 81 0.54 72 1263.82
12
 68 86 0 56 1290.82
13
 68 87 0 68 1318.32
14
 68 87 0.3 60 1345.82
15
 64 85 0.01 63 1370.32
16
 66 82 0 50 1394.32
17
 62 78 0 71 1414.32
18
 68 82 trace 60 1439.32
19
 66 91 0 62 1467.82
20
 74 94 0.18 72 1501.82
21
 69 91 0 66 1531.82
22
 69 90 0.05 72 1561.32
23
 71 89 0.08 72 1591.32
24
 69 90 0.44 72 1620.82
25
 63 85 0 64 1644.82
26
 71 89 0 60 1674.82
27
 69 91 0 56 1704.82
28
 71 94 0 60 1737.32
29
 66 93 0 50 1766.82
30
 72 89 0 52 1797.32
31
 68 91 0.22 72 1826.82
Day of the Month
24 hours ending observation:  MIN. temperature (F)
24 hours ending observation:  MAX. temperature (F)
Rain Event (inches)
Humidity
Growing degree days
65 87 trace 49 1852.82
2
 69 91 0 68 1882.82
3
 74 81 0.14 55 1910.32
4
 68 89 0.03 72 1938.82
5
 66 82 0.05 66 1962.82
6
 64 88 0 56 1988.82
7
 66 85 0.02 70 2014.32
8
 66 85 0 50 2039.82
9
 67 86 0 70 2066.32
10
 66 89 0 60 2093.82
11 70 94 0 72 2152.82
12
 76 90 trace 63 2158.82
13
 71 93 0 58 2190.82
14
 66 88 0 66 2217.82
15
 66 88 0 43 2244.82
16
 68 81 0 70 2269.32
17
 61 67 0.24 68 2283.32
18
 64 84 0.28 70 2307.32
19
 56 84 0 68 2327.32
20
 55 75 0.1 58 2342.32
21
 57 80 0 70 2360.82
22
 65 86 0 73 2386.32
23
 63 91 0 60 2413.32
24
 71 89 0 72 2443.32
25
 67 91 0 56 2472.32
26
 61 91 trace 48 2498.32
27
 59 79 0.05 71 2517.32
28
 64 87 1.6 74 2542.82
29
 68 84 0.06 71 2568.82
30
 58 80 0.35 48 2587.82
31
 53 78 0 56 2603.32
Day of the Month
24 hours ending observation:  MIN. temperature (F)
24 hours ending observation:  MAX. temperature (F)
Rain Event (inches)
Humidity
Growing degree days
57 77 0 72 2620.32
2
 64 81 0.09 72 2642.82
3
 65 73 0.62 72 2661.82
4
 65 84 0.16 69 2686.32
5
 56 85 0 46 2706.82
6
 56 79 0 69 2724.32
7
 59 82 0 70 2744.82
8
 60 79 0 72 2764.32
9
 63 85 0 72 2788.32
10
 69 79 0.13 72 2812.32
11
 66 81 0.78 70 2835.82
12
 51 76 0 55 2849.32
13
 13 74 0 70 2862.32
14
 66 76 0 71 2883.32
15
 46 75 0 66 2892.89
16
 45 67 0 72 2899.41
17
 54 72 0 74 2912.41
18
 56 76 0 58 2928.41
19
 42 67 0 38 2934.71
20
 42 65 0 45 2940.18
21
 38 63 0 60 2944.41
22
 38 65 0 65 2949.47
23
 45 73 0 62 2958.33
24
 49 79 0 74 2968.13
25
 51 81 0 73 2984.13
26
 58 79 0 70 3002.63
27
 64 80 0 72 3024.63
28
 68 79 0.02 72 3048.13
29
 65 79 0 72 3070.13
30
 64 75 1.3 72 3089.63
Day of the Month
24 hours ending observation:  MIN. temperature (F)
24 hours ending observation:  MAX. temperature (F)
Rain Event (inches)
Humidity
Growing degree days
49 70 0 72 3096.64
3
 51 75 trace 60 3109.64
2
 42 65 0.06 53 3115.11
4
 43 68 0 50 3121.9
5
 48 69 0 67 3129.01
6
 47 70 0 74 3136.64
7
 51 70 0.05 74 3147.14
8
 42 71 0.15 52 3155.08
9
 42 64 0 60 3160.13
10
 48 65 0 72 3165.82
11
 55 72 0 70 3179.32
12
 47 64 0.11 72 3184.72
13
 48 55 0.51 74 3186.6
14
 41 55 1.31 74 3187.92
15
 43 70 0 72 3195.53
16
 52 71 trace 71 3207.03
17
 42 66 1.29 50 3212.92
18
 35 60 0 48 3215.73
19
 41 64 0 71 3220.67
20
 47 66 0 72 3226.83
21
 58 68 0.02 72 3239.83
22
 63 71 trace 72 3256.83
23
 63 77 0 73 3276.83
24
 59 64 trace 74 3288.33
25
 38 65 0 50 3293.39
26
 46 53 0.05 68 3294.26
27
 48 54 trace 60 3295.73
28
 46 61 0.14 72 3299.91
29
 45 52 0.2 72 3300.38
30
 34 47 1.59 74 3300.38
31
 23 37 0.15 54 3300.38