MIDDLETOWN 3 E, DELAWARE

Monthly Average 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 67.08 ----- z 46.50 a ----- z 56.79
1953 39.02 38.79 ----- z 52.14 a 66.33 a 70.93 76.45 ----- z ----- z ----- z 40.00 x 39.56 54.75
1954 32.35 41.04 42.90 55.95 60.31 72.22 75.81 73.77 a 69.62 60.77 43.28 35.35 a 55.28
1955 31.77 35.50 44.92 56.10 63.70 a 68.42 81.00 77.53 70.61 u 58.39 44.37 30.69 53.85
1956 31.29 39.31 41.39 50.82 62.37 72.82 74.92 73.79 66.77 ----- z 47.40 43.05 a 54.90
1957 31.10 38.48 43.31 56.48 64.76 76.78 77.63 74.08 71.03 a 54.56 48.02 39.90 56.34
1958 32.47 28.96 40.31 54.98 62.06 69.63 78.89 74.79 67.15 57.15 a 48.57 30.47 b 53.79
1959 33.03 o 34.38 43.65 a 57.43 h ----- z 73.64 a 77.53 77.48 71.63 62.11 46.40 39.58 58.49
1960 36.06 37.36 32.34 58.72 61.82 71.47 74.69 77.44 69.17 57.03 48.07 28.80 a 54.41
1961 25.66 35.21 44.48 49.48 59.05 69.53 j 78.35 e 74.56 d 72.95 57.12 e 46.37 c 33.82 52.46
1962 32.73 30.98 40.95 53.58 64.89 72.19 q 74.25 z 72.66 71.88 v 46.67 y 42.58 30.31 b 46.09
1963 27.60 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 27.60
1964 ----- z ----- z 43.64 m 50.25 64.55 72.42 76.92 72.31 68.28 53.68 48.30 38.60 60.59
1965 30.26 35.39 40.06 50.38 67.08 71.17 75.13 73.98 70.10 54.87 45.31 a 38.48 54.35
1966 30.42 a 33.54 44.77 48.93 61.73 73.05 77.77 75.33 a 66.12 54.85 a 47.10 35.93 b 54.13
1967 37.08 30.82 40.23 52.22 a 57.11 71.58 74.74 72.82 61.11 l 55.83 b 40.32 k 37.08 52.95
1968 29.26 31.21 45.45 53.31 i 60.29 ----- z 75.95 a 76.48 68.60 a 59.27 47.78 34.65 52.89
1969 31.75 a 33.77 40.53 55.68 64.15 a 73.84 b 76.10 74.26 67.65 56.18 45.29 b 33.69 54.41
1970 26.74 34.91 39.92 52.38 65.10 72.52 a 75.56 75.90 72.17 60.39 48.17 37.06 55.07
1971 29.47 36.54 41.90 52.32 60.94 73.25 75.18 73.02 70.75 63.11 46.17 43.21 55.49
1972 36.34 33.94 b 41.87 50.18 62.73 69.05 76.19 74.05 68.73 53.31 44.18 40.90 54.29
1973 36.05 34.61 48.35 53.15 60.81 74.63 76.16 75.79 69.68 58.60 48.70 38.02 56.21
1974 37.95 33.22 a 45.27 55.20 62.90 69.70 74.74 74.78 a 67.57 53.11 47.02 40.08 a 55.13
1975 38.24 36.91 42.68 49.05 65.81 72.53 75.37 76.02 c 66.00 60.90 52.00 b 37.74 56.10
1976 31.11 43.03 47.45 56.19 a 62.94 75.28 74.42 73.53 67.74 c 53.26 41.37 31.94 54.85
1977 22.95 35.89 49.21 56.70 66.06 69.63 76.71 75.32 70.43 a 55.77 48.98 36.02 55.31
1978 28.90 23.27 39.95 52.57 61.65 71.93 73.48 76.48 67.11 c 56.09 c 48.23 39.87 d 53.29
1979 32.98 a 23.18 46.84 51.77 64.71 68.45 74.19 74.47 a 68.75 55.85 51.27 39.58 54.34
1980 33.74 30.88 40.68 55.43 65.85 70.35 77.52 77.74 71.92 55.31 44.17 a 35.08 54.89
1981 27.13 a 39.61 a 42.06 56.87 62.87 73.52 75.76 73.09 c 67.62 54.26 45.55 b 35.06 54.45
1982 26.02 36.70 42.95 51.28 65.05 69.33 75.98 72.00 67.38 56.89 50.23 42.84 54.72
1983 34.74 34.73 46.39 51.82 62.00 72.57 76.82 76.92 69.40 57.61 47.27 34.77 55.42
1984 26.94 40.90 37.60 51.23 62.40 73.05 74.13 74.60 65.10 61.76 45.85 43.21 54.73
1985 29.69 37.38 46.50 56.93 65.61 68.95 ----- z ----- z ----- z ----- z ----- z ----- z 50.84
1986 ----- z ----- z ----- z ----- z ----- z ----- z 76.27 72.21 67.92 58.31 44.58 38.06 e 59.56
1987 31.13 a 31.70 45.24 52.42 63.45 72.92 78.34 74.03 68.15 51.85 48.31 a 39.05 54.72
1988 27.81 35.67 44.03 50.45 62.65 71.32 78.27 a 76.97 ----- z ----- z ----- z ----- z 55.89
Period of Record Statistics
MEAN 31.42 34.78 42.94 53.18 63.14 71.84 76.27 74.79 68.75 56.94 46.79 37.04 54.86
S.D. 4.00 4.40 3.40 2.71 2.26 2.06 1.62 1.69 1.96 2.94 2.38 3.89 0.75
SKEW 0.11 -0.79 -0.67 0.23 -0.46 0.14 0.73 0.14 0.35 0.39 -0.09 -0.31 0.08
MAX 39.02 43.03 49.21 58.72 67.08 76.78 81.00 77.74 72.95 63.11 52.00 43.21 56.34
MIN 22.95 23.18 32.34 48.93 57.11 68.42 73.48 72.00 65.10 51.85 41.37 28.80 53.29
NO YRS 33 33 32 32 33 31 33 33 30 30 32 33 23