MIDDLETOWN 3 E, DELAWARE

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(075852)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 198808
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1952 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 54.90 ----- z 36.48 a ----- z 45.69
1953 30.84 30.18 ----- z 43.28 a 56.03 60.27 64.03 ----- z ----- z ----- z 29.00 x 28.58 44.74
1954 22.45 30.07 32.29 43.83 49.35 58.27 61.55 61.87 a 58.63 48.39 33.83 27.20 a 43.98
1955 23.52 25.07 34.23 45.07 49.77 a 57.27 69.35 68.19 60.22 u 46.71 33.40 21.55 43.10
1956 22.77 29.48 31.26 38.87 49.03 61.13 65.13 63.81 57.17 ----- z 37.80 33.93 a 44.58
1957 22.81 30.00 34.65 44.53 52.71 65.70 64.26 62.10 60.77 43.87 38.90 31.52 45.98
1958 25.03 21.18 33.19 44.60 51.13 58.67 69.39 65.55 55.47 46.97 a 39.10 21.03 b 44.28
1959 21.75 o 24.11 32.23 46.65 g ----- z 61.40 67.03 68.16 60.17 52.03 35.97 30.84 47.99
1960 28.35 28.76 23.00 44.83 50.71 60.40 64.10 67.90 60.57 46.45 36.47 18.47 a 44.17
1961 15.94 26.21 34.94 38.47 47.84 56.75 j 66.26 d 63.37 d 61.90 44.69 e 36.67 c 25.42 41.97
1962 23.32 22.39 30.16 41.00 51.48 60.62 q 60.40 z 60.13 60.88 v 37.71 x 31.97 20.79 b 35.16
1963 16.55 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 16.55
1964 ----- z ----- z 32.61 m 40.10 51.45 59.13 65.55 60.10 55.23 41.06 36.27 30.87 48.86
1965 20.81 24.00 30.42 38.70 53.35 58.87 63.23 62.42 58.27 42.16 33.59 a 28.29 42.84
1966 22.37 a 24.54 32.90 38.40 49.84 60.13 63.94 62.57 a 55.33 42.63 a 37.03 27.34 b 43.09
1967 28.48 20.82 30.29 39.07 a 45.55 58.57 64.84 63.19 48.06 l 43.31 b 30.32 h 28.23 42.23
1968 20.03 20.45 33.13 40.37 48.55 ----- z 64.10 a 64.03 54.62 a 48.26 38.60 25.84 41.63
1969 23.67 a 26.68 29.68 42.97 51.87 a 62.31 a 65.71 62.81 55.57 43.42 34.93 a 26.39 43.83
1970 17.26 24.50 30.03 40.83 52.55 60.69 a 65.13 64.06 58.63 49.94 38.73 29.16 44.29
1971 20.74 27.36 31.29 38.33 49.87 62.00 63.13 61.81 61.43 54.61 36.30 34.52 45.12
1972 28.03 24.68 a 32.03 37.90 51.65 58.83 66.29 62.77 57.77 42.48 35.47 33.35 44.27
1973 26.10 24.54 37.94 42.33 50.68 65.13 65.68 65.03 58.07 45.61 37.43 28.58 45.59
1974 29.23 22.85 a 33.45 42.23 51.06 59.53 62.42 64.17 a 56.20 39.26 35.73 30.83 a 43.91
1975 28.65 29.00 32.81 38.47 54.35 62.17 64.48 64.29 c 55.73 50.23 40.39 b 28.77 45.78
1976 22.39 31.28 35.13 42.87 51.19 63.17 62.97 60.90 54.54 b 43.55 30.17 22.68 43.40
1977 13.94 26.00 38.00 43.57 53.52 58.40 65.39 64.71 59.62 a 45.26 41.53 27.52 44.79
1978 21.71 13.54 29.90 40.50 51.32 60.47 62.48 67.58 54.78 c 42.89 c 38.70 29.81 d 42.81
1979 24.83 a 14.54 34.84 41.83 54.71 57.93 64.68 64.33 a 58.70 45.32 41.17 30.48 44.45
1980 25.71 21.41 31.13 44.73 54.48 58.57 66.16 66.39 59.43 43.97 34.55 a 25.58 44.34
1981 18.43 a 29.04 a 31.65 45.23 51.97 62.87 65.55 61.86 b 56.47 42.39 35.79 a 27.68 44.08
1982 16.26 27.54 32.00 38.37 53.00 59.97 65.35 60.29 55.57 44.94 38.57 34.00 43.82
1983 26.61 25.64 37.32 40.80 50.84 60.47 63.94 64.23 55.33 46.39 35.90 25.77 44.44
1984 17.87 31.10 28.13 40.83 51.84 60.63 63.35 63.71 51.67 51.26 34.03 33.52 44.00
1985 20.32 27.79 34.32 43.13 54.10 58.30 ----- z ----- z ----- z ----- z ----- z ----- z 39.66
1986 ----- z ----- z ----- z ----- z ----- z ----- z 66.42 62.68 57.77 48.61 35.27 30.73 e 50.25
1987 23.94 22.61 34.13 42.73 52.32 62.53 67.90 63.58 58.93 40.42 37.97 30.77 44.82
1988 18.90 27.07 33.23 41.07 52.26 59.63 67.48 68.00 ----- z ----- z ----- z ----- z 45.95
Period of Record Statistics
MEAN 22.66 25.28 32.49 41.51 51.53 60.43 65.07 63.84 57.31 45.57 36.52 28.18 44.26
S.D. 4.32 4.24 2.94 2.35 2.15 2.05 1.85 2.30 2.45 3.62 2.55 4.04 0.84
SKEW -0.06 -0.94 -0.66 0.01 -0.38 0.80 0.47 0.44 0.01 0.58 -0.19 -0.55 0.29
MAX 30.84 31.28 38.00 45.23 56.03 65.70 69.39 68.19 61.90 54.61 41.53 34.52 45.98
MIN 13.94 13.54 23.00 37.90 45.55 57.27 61.55 60.10 51.67 39.26 30.17 18.47 42.81
NO YRS 33 33 32 33 33 31 33 33 30 30 32 33 23