BIRMINGHAM FAA ARPT, ALABAMA

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(010831)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 201205
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
1930 35.16 43.93 42.29 54.20 62.16 65.97 71.58 68.55 67.07 51.97 45.30 35.61 53.65
1931 36.58 39.93 39.13 50.10 56.65 67.80 71.39 67.06 69.07 58.35 52.23 46.77 54.59
1932 43.58 47.59 40.00 53.93 59.65 68.73 72.55 71.39 64.53 51.52 39.67 41.39 54.54
1933 43.52 38.00 43.90 51.63 65.42 66.33 70.55 70.16 68.53 55.45 44.07 46.94 55.38
1934 40.39 33.75 41.90 52.63 61.45 69.93 71.74 71.48 63.83 55.68 45.83 36.16 53.73
1935 36.97 38.96 51.06 53.80 62.23 65.90 71.35 71.61 64.77 55.87 45.17 30.71 54.03
1936 32.29 33.55 48.71 50.43 63.26 69.50 70.71 70.55 68.20 55.77 41.13 40.87 53.75
1937 49.35 36.89 41.00 51.53 62.19 69.73 69.23 71.26 63.37 51.87 41.17 37.35 53.75
1938 36.97 45.07 51.61 53.30 62.39 66.70 71.32 71.65 64.33 55.26 44.30 37.26 55.01
1939 39.81 41.96 47.71 50.40 60.65 69.97 71.00 69.71 67.07 55.45 42.03 39.77 54.63
1940 21.45 35.55 43.90 51.67 57.13 67.33 69.81 70.74 62.17 54.97 43.73 42.61 51.76
1941 37.55 34.04 38.71 55.80 62.13 68.77 71.58 70.35 68.53 62.06 43.03 41.45 54.50
1942 32.77 34.43 45.23 53.57 60.55 68.80 71.32 69.00 62.67 54.16 46.60 38.13 53.10
1943 38.74 38.96 42.10 52.43 63.06 71.97 72.16 71.90 61.93 50.71 40.63 36.87 53.46
1944 38.10 45.00 46.03 51.93 62.90 69.60 68.71 70.13 66.47 52.19 44.93 36.23 54.35
1945 35.19 41.68 53.42 54.00 58.06 68.13 70.16 70.26 67.77 52.45 46.43 30.10 53.97
1946 35.61 35.71 47.97 52.30 57.87 64.47 69.48 64.71 62.07 50.52 48.50 36.71 52.16
1947 39.32 26.04 35.16 53.20 55.55 65.13 64.58 70.58 65.50 57.90 40.27 33.65 50.57
1948 26.58 39.66 46.52 54.33 56.68 66.87 70.48 67.87 61.90 46.29 44.00 39.42 51.72
1949 43.29 41.75 41.87 49.63 59.06 67.63 71.87 68.84 60.97 59.32 36.77 36.39 53.12
1950 51.06 40.07 40.19 46.73 63.13 65.97 68.10 65.61 62.67 54.00 34.13 30.23 51.82
1951 35.65 37.39 44.19 47.93 54.61 67.30 70.58 70.74 64.83 52.97 36.20 38.61 51.75
1952 41.68 39.31 40.52 46.83 58.52 70.47 69.71 68.90 60.20 42.55 39.33 34.77 51.07
1953 38.74 38.39 46.42 47.60 62.58 70.23 70.13 67.71 60.97 50.48 37.17 33.19 51.97
1954 34.77 37.75 41.52 54.83 53.48 66.60 71.97 a 71.52 64.90 51.74 39.03 32.94 51.75
1955 33.32 38.61 45.06 54.07 60.87 60.83 70.29 70.19 65.30 47.48 38.17 35.77 51.66
1956 31.45 42.14 40.94 48.57 62.10 65.27 69.32 68.45 59.77 53.77 37.97 43.52 51.94
1957 38.61 45.82 42.00 52.97 60.97 69.47 69.68 68.61 64.47 48.68 44.20 37.32 53.57
1958 30.00 27.04 40.00 50.97 58.84 67.67 70.90 69.10 64.70 50.10 42.43 31.29 50.25
1959 30.16 38.43 40.28 b 50.47 61.32 67.17 71.03 70.42 65.87 56.90 38.27 38.13 52.37
1960 36.84 33.10 33.81 51.57 55.77 67.03 71.03 71.39 65.00 53.03 40.63 31.23 50.87
1961 28.29 41.79 46.68 46.23 55.19 64.17 67.90 68.71 65.53 50.39 45.77 38.13 51.56
1962 32.16 42.61 41.10 50.70 64.84 67.97 70.68 70.74 64.07 54.32 41.70 31.87 52.73
1963 27.61 27.93 45.16 54.00 59.48 67.07 69.55 69.71 62.10 52.81 41.90 26.61 50.33
1964 31.77 33.55 42.35 54.30 59.94 67.53 68.32 68.13 64.53 47.13 43.90 38.84 51.69
1965 34.45 33.21 40.00 53.37 58.45 65.30 67.97 68.55 64.40 47.32 43.10 33.97 50.84
1966 28.61 36.29 39.94 50.13 55.65 61.97 70.16 68.48 62.67 45.48 41.97 34.32 49.64
1967 33.10 31.04 44.32 53.83 55.90 65.63 66.10 64.90 57.57 46.13 35.60 39.06 49.43
1968 32.68 27.55 38.58 50.23 56.42 64.77 68.58 68.71 60.33 50.87 39.43 30.81 49.08
1969 33.65 33.79 35.16 49.90 57.45 64.63 71.00 66.52 60.20 53.32 36.60 32.74 49.58
1970 28.03 31.54 40.94 54.00 58.10 64.93 69.29 69.74 65.83 52.90 36.03 37.06 50.70
1971 33.48 32.00 36.65 45.40 52.13 66.30 68.58 68.26 65.40 56.48 38.17 45.61 50.71
1972 36.48 36.41 40.94 50.40 56.16 62.73 66.55 67.45 64.60 51.06 40.27 38.52 50.96
1973 31.13 30.82 49.00 47.50 55.23 66.03 70.16 67.45 66.77 54.61 44.30 34.58 51.47
1974 44.81 35.75 49.52 49.07 60.55 61.37 68.71 69.16 61.43 46.61 40.87 38.61 52.20
1975 39.65 39.50 42.52 48.37 62.68 65.80 69.61 69.90 60.63 53.00 43.33 34.68 52.47
1976 28.00 40.72 48.32 46.90 53.13 63.63 67.39 66.39 61.57 45.84 33.77 29.06 48.73
1977 22.06 31.89 45.94 52.07 60.35 67.33 73.06 73.00 67.67 49.81 47.30 34.61 52.09
1978 26.74 27.18 38.74 50.17 58.55 67.10 71.45 70.97 66.70 46.03 45.60 34.19 50.29
1979 28.87 34.46 42.74 52.03 59.94 64.90 71.68 68.19 63.30 51.84 41.37 35.35 51.22
1980 37.32 31.00 40.84 47.90 59.81 66.77 72.90 71.32 66.93 47.52 40.40 31.42 51.18
1981 27.06 36.04 37.61 54.17 56.00 70.27 71.77 69.61 58.97 50.26 41.27 32.81 50.49
1982 30.26 36.04 47.16 47.67 59.55 64.53 71.26 70.16 61.67 52.32 43.57 42.19 52.20
1983 31.03 35.43 40.96 e 44.20 56.10 64.80 69.03 69.77 60.67 51.68 39.50 29.97 49.43
1984 27.26 34.21 39.94 47.23 55.00 64.13 67.90 68.03 59.53 60.10 38.67 42.39 50.37
1985 24.71 32.96 44.55 50.83 57.94 65.30 68.32 68.90 61.30 58.52 51.43 28.42 51.10
1986 28.90 38.00 41.03 45.47 59.77 67.37 70.77 66.97 67.00 53.06 48.67 34.74 51.81
1987 31.45 36.93 42.23 44.87 62.68 65.70 68.87 70.87 61.20 40.58 42.53 38.29 50.52
1988 30.74 30.48 41.61 48.53 52.81 63.33 69.65 70.32 65.97 46.10 44.20 34.29 49.84
1989 37.42 36.89 45.16 47.27 56.77 66.57 70.26 68.42 63.33 49.10 41.37 27.81 50.86
1990 38.16 43.21 45.26 46.90 58.00 65.37 69.03 69.29 64.30 50.45 41.40 39.35 52.56
1991 36.23 39.04 43.94 55.43 64.23 67.23 71.13 70.52 63.33 51.94 37.97 38.26 53.27
1992 33.19 37.83 40.77 47.97 54.65 64.20 70.55 65.16 63.87 49.00 41.57 37.55 50.52
1993 37.35 33.68 39.16 47.00 57.03 66.80 71.58 70.23 61.50 50.61 39.97 34.97 50.82
1994 30.42 37.11 41.39 52.43 54.94 68.57 69.13 68.13 61.50 54.97 45.50 39.71 51.98
1995 34.39 35.50 46.32 50.83 60.61 63.90 70.71 73.23 62.80 51.10 36.47 33.16 51.58
1996 31.52 34.90 39.10 45.40 61.71 66.87 70.19 68.68 60.77 50.94 42.23 37.81 50.84
1997 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1998 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1999 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2000 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2001 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2002 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2003 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2004 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2005 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2006 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2007 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2008 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2009 34.13 36.32 47.35 50.63 62.87 68.90 68.68 69.71 67.50 52.58 41.93 35.48 53.01
2010 29.39 29.86 40.77 52.27 63.65 72.10 74.42 75.19 65.27 49.94 44.07 30.13 52.25
2011 30.48 38.18 46.94 54.73 59.97 70.53 73.61 71.81 61.80 49.03 45.60 39.45 53.51
2012 38.81 42.28 54.81 54.34 a 64.44 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 47.56
Period of Record Statistics
MEAN 34.19 36.54 43.08 50.68 59.08 66.71 70.15 69.45 63.77 51.79 41.89 36.12 51.92
S.D. 5.73 4.72 4.18 2.99 3.20 2.37 1.73 1.94 2.64 4.05 3.78 4.41 1.57
SKEW 0.42 -0.04 0.46 -0.30 -0.14 -0.04 -0.39 -0.10 0.00 -0.09 0.22 0.20 0.20
MAX 51.06 47.59 54.81 55.80 65.42 72.10 74.42 75.19 69.07 62.06 52.23 46.94 55.38
MIN 21.45 26.04 33.81 44.20 52.13 60.83 64.58 64.71 57.57 40.58 33.77 26.61 48.73
NO YRS 71 71 71 71 70 70 70 70 70 70 70 70 70