DEMOPOLIS LOCK AND DAM, ALABAMA

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(012245)

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
1951 ----- z ----- z ----- z ----- z ----- z ----- z 70.74 h 71.00 d 66.00 g 54.05 j 37.24 a 37.97 48.74
1952 42.17 a 40.82 a 42.16 48.83 59.65 69.77 70.94 69.55 60.87 41.61 37.90 34.75 c 51.58
1953 37.23 38.54 48.65 50.10 64.06 69.47 70.32 67.97 61.13 51.43 a 38.97 34.63 a 52.71
1954 35.50 a 40.41 a 44.39 55.73 55.10 b 67.77 72.00 71.84 65.00 b 53.58 41.18 m 33.56 f 56.13
1955 35.41 i 37.92 b 48.65 e 53.47 61.13 60.15 d 70.16 69.87 a 63.87 46.90 38.53 37.74 53.49
1956 32.90 39.35 f 40.87 47.30 62.10 63.80 70.19 68.33 a 59.73 55.52 39.00 43.55 b 53.03
1957 38.74 48.43 42.55 52.70 60.87 69.20 69.90 67.97 65.70 49.29 46.37 36.61 54.03
1958 30.52 28.36 43.00 51.23 59.00 68.13 69.26 68.94 66.07 50.61 44.03 31.39 50.88
1959 29.52 40.82 ----- z 50.40 61.29 67.23 70.19 70.00 66.90 58.61 38.90 36.13 53.64
1960 34.55 33.97 36.06 49.97 55.74 66.27 71.00 t 69.53 n 64.90 52.39 39.43 32.32 46.56
1961 29.23 40.61 48.55 46.80 56.16 64.07 68.16 68.68 64.40 46.68 43.90 a 38.52 51.31
1962 32.06 43.57 39.58 48.63 61.26 65.53 68.32 67.52 61.27 51.43 a 38.73 31.74 50.80
1963 26.84 28.07 44.52 54.33 ----- z 66.43 67.68 68.65 61.87 50.26 41.53 26.52 48.79
1964 31.32 31.93 40.97 55.13 59.42 67.27 69.03 68.74 63.30 48.68 44.93 37.61 51.53
1965 35.65 35.29 41.26 54.77 58.71 65.73 68.97 67.77 65.67 50.68 47.00 33.68 52.10
1966 32.42 35.93 42.26 51.76 a 58.87 63.20 70.35 67.65 62.77 48.71 42.13 35.77 50.98
1967 33.06 33.00 44.87 57.37 57.94 66.90 65.97 67.00 59.20 45.29 37.30 41.87 50.81
1968 32.74 29.93 38.52 51.83 58.10 65.37 68.32 68.94 59.83 50.48 38.27 31.19 49.46
1969 33.35 35.04 35.48 52.13 58.90 65.43 70.35 66.00 60.73 53.68 33.87 31.97 49.75
1970 27.32 30.25 42.71 54.40 58.16 65.90 68.06 70.32 67.60 51.68 34.93 36.81 50.68
1971 34.45 34.11 39.10 45.97 53.81 66.67 68.74 68.77 66.17 56.13 39.23 46.77 51.66
1972 38.23 ----- z ----- z 49.90 58.39 ----- z ----- z 68.77 66.40 52.03 41.30 37.53 p 53.57
1973 34.06 34.07 51.10 49.97 56.48 67.10 71.61 68.52 67.33 56.55 46.03 33.48 53.03
1974 45.71 35.89 49.39 49.10 61.13 62.03 67.52 66.55 60.07 44.61 38.93 35.19 51.34
1975 37.32 40.29 42.19 48.17 61.23 64.53 67.43 a 67.81 60.33 54.06 41.27 34.45 51.59
1976 29.23 38.59 46.97 48.70 55.10 63.60 67.45 65.68 61.17 44.19 33.87 29.90 48.70
1977 23.23 32.39 46.55 52.10 59.71 64.87 68.39 67.71 64.03 45.55 42.40 30.77 49.81
1978 27.19 26.89 38.23 50.53 59.58 67.17 70.52 70.29 66.40 47.58 47.03 33.68 50.42
1979 29.42 35.11 43.90 54.37 58.87 65.67 70.97 69.16 64.97 48.61 39.93 34.03 51.25
1980 38.52 31.64 a 43.00 b 49.67 61.00 67.17 71.94 70.23 67.40 47.26 40.00 31.58 51.62
1981 26.81 34.93 38.81 54.67 56.06 69.30 70.03 69.19 59.10 50.32 40.40 32.39 50.17
1982 32.32 36.07 46.84 49.00 58.68 64.13 68.45 69.65 59.77 49.97 41.37 42.19 51.54
1983 31.45 35.64 40.03 45.83 56.65 64.23 67.94 67.48 57.63 49.35 40.63 33.58 49.21
1984 28.19 35.48 42.48 49.87 57.58 63.73 67.71 67.39 60.10 57.42 38.60 42.16 50.89
1985 24.84 31.96 46.06 49.27 58.39 64.93 67.03 66.55 59.30 55.45 47.27 26.32 49.78
1986 29.00 38.64 39.52 46.07 59.35 67.73 69.16 65.35 64.27 51.39 46.73 34.52 50.98
1987 28.97 35.36 40.68 42.30 60.06 62.47 64.58 66.30 h 63.40 41.52 41.70 38.81 47.26
1988 30.35 31.79 38.52 50.10 52.45 62.93 68.68 69.77 65.87 46.19 44.70 32.06 49.45
1989 36.71 36.29 44.74 47.73 58.19 67.40 70.45 68.65 64.20 48.13 39.60 27.45 50.80
1990 39.61 45.96 47.39 49.63 58.94 66.30 69.68 68.52 62.50 48.45 42.13 41.81 53.41
1991 38.61 40.50 44.68 57.10 66.10 68.57 71.19 69.55 63.60 51.03 37.20 39.06 53.93
1992 ----- z 38.21 41.81 48.50 54.77 63.33 ----- z 65.32 63.77 ----- z 40.53 ----- z 52.03
1993 40.13 35.21 39.16 47.67 58.32 66.77 70.52 70.03 62.40 50.65 40.30 37.19 51.53
1994 32.16 38.93 43.29 52.20 58.00 69.50 69.23 68.10 62.27 55.35 47.40 39.87 53.02
1995 34.97 35.32 46.45 48.77 57.71 60.67 67.97 70.32 60.13 48.84 35.10 31.32 49.80
1996 28.61 32.14 35.97 43.67 58.94 61.57 64.77 64.97 57.63 46.45 37.17 32.45 47.03
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 34.42 34.11 45.29 48.67 62.71 68.23 68.71 68.97 67.77 52.19 41.10 34.45 52.22
2010 28.68 27.93 40.55 50.83 62.84 71.13 73.48 70.71 61.47 48.58 43.17 27.87 50.60
2011 28.43 a 35.00 v 43.32 53.62 a 56.39 67.71 w 71.79 l 71.26 61.24 a 46.68 43.41 a 35.68 48.89
2012 34.67 a 38.03 47.37 a 50.21 a 60.70 u ----- z ----- z ----- z ----- z ----- z ----- z ----- z 42.57
Period of Record Statistics
MEAN 32.80 35.75 42.94 50.43 58.81 65.86 69.14 68.55 62.95 50.04 40.86 35.00 51.06
S.D. 4.73 4.57 3.75 3.24 2.64 2.52 1.81 1.61 2.82 3.91 3.55 4.53 1.44
SKEW 0.41 0.39 0.05 0.02 0.15 -0.21 -0.24 -0.40 0.00 0.06 0.16 0.34 -0.16
MAX 45.71 48.43 51.10 57.37 66.10 71.13 73.48 71.84 67.77 58.61 47.40 46.77 54.03
MIN 23.23 26.89 35.48 42.30 52.45 60.15 64.58 64.97 57.63 41.52 33.87 26.32 47.03
NO YRS 47 46 47 49 47 46 44 47 48 47 48 46 38