BANKHEAD LOCK AND DAM, ALABAMA

Monthly Average Temperature (Degrees Fahrenheit)

(010505)

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
1957 ----- z 54.73 50.18 63.37 71.23 78.30 79.97 80.00 74.13 58.63 53.33 46.00 64.53
1958 38.56 35.98 49.19 60.98 69.27 77.82 79.45 79.21 75.30 62.53 54.91 a 41.24 60.37
1959 41.08 46.54 49.66 60.93 71.74 75.93 80.44 81.29 74.48 65.69 50.22 46.34 62.03
1960 43.03 ----- z 42.39 62.62 66.58 77.12 81.47 79.92 74.67 65.40 52.10 40.68 62.36
1961 37.45 48.70 56.13 56.93 66.48 73.57 77.35 77.69 74.55 61.76 54.08 44.77 60.79
1962 40.05 52.61 48.50 57.83 74.05 a 76.50 80.52 80.03 74.50 65.95 50.28 40.44 61.77
1963 36.00 39.11 55.45 64.63 70.71 76.53 78.08 79.63 72.37 66.21 52.63 36.26 60.63
1964 39.94 40.62 51.40 65.58 71.29 77.68 77.73 77.52 75.17 59.50 55.65 45.55 61.47
1965 44.73 43.38 49.16 64.32 71.56 75.13 78.73 78.76 73.95 62.53 56.72 a 45.97 62.08
1966 39.05 44.82 51.40 61.72 68.44 73.05 80.13 76.65 72.08 60.06 53.90 44.95 60.52
1967 43.29 41.70 55.84 66.22 66.94 76.07 75.84 74.74 68.78 60.56 49.62 48.82 60.70
1968 40.65 39.48 50.00 61.82 67.50 77.07 77.97 77.48 70.70 61.66 49.97 41.27 59.63
1969 41.74 44.66 44.65 62.12 68.37 76.18 80.32 77.21 72.08 63.23 50.23 43.50 60.36
1970 37.27 42.21 51.79 64.55 70.08 74.38 a 79.24 n 79.66 77.83 64.06 49.02 49.61 60.04
1971 44.05 43.34 48.35 60.18 65.02 77.67 77.26 76.90 73.50 66.45 50.78 53.18 61.39
1972 45.08 44.43 52.66 60.13 66.82 72.97 75.79 ----- z 76.02 63.03 50.40 48.11 59.59
1973 41.94 43.80 58.79 58.95 67.32 77.03 79.98 77.48 a 77.15 67.77 57.25 45.19 62.72
1974 51.98 45.93 59.44 60.53 71.24 73.00 78.24 77.58 69.55 60.10 52.73 45.10 62.12
1975 47.53 49.11 51.90 58.80 70.68 76.73 79.73 79.47 71.63 63.31 56.70 b 44.97 62.55
1976 ----- z 52.23 c ----- z ----- z ----- z 77.27 ----- z ----- z 74.17 59.85 45.93 a 42.05 a 58.58
1977 33.33 d 43.68 56.73 65.23 73.82 80.47 83.84 83.38 n 75.83 g 59.39 54.37 42.89 59.37
1978 33.84 36.02 49.61 63.93 70.76 79.73 83.76 81.71 78.30 63.53 59.23 45.48 62.16
1979 36.44 42.34 54.39 63.18 69.58 ----- z 79.94 80.58 73.63 63.45 53.00 45.16 60.15
1980 45.11 41.43 51.28 a 60.08 70.92 79.02 85.48 84.82 79.75 60.27 a 52.58 44.18 62.91
1981 39.44 45.48 51.39 66.87 68.25 a 81.38 a 83.73 79.15 a 71.55 62.18 54.83 43.18 62.28
1982 41.10 46.61 57.34 59.03 71.29 75.63 80.19 78.73 69.43 61.03 52.02 49.66 61.84
1983 39.27 44.02 48.37 53.93 66.21 74.23 81.13 81.74 72.98 64.10 53.27 40.16 59.95
1984 38.02 47.26 52.03 a 59.18 67.08 76.72 78.60 77.79 73.02 68.81 51.07 53.40 61.91
1985 35.48 42.25 56.19 62.65 69.18 a 76.58 78.19 78.60 72.77 66.92 59.95 39.87 61.55
1986 40.37 50.09 53.47 60.82 69.94 78.85 82.39 78.56 76.72 64.56 57.18 44.76 63.14
1987 40.95 47.27 54.89 59.00 73.87 77.03 81.50 82.16 73.67 58.13 54.98 49.32 62.73
1988 38.69 43.17 54.05 61.82 67.71 77.08 78.66 80.89 74.37 58.26 56.43 45.40 61.38
1989 47.97 a 45.96 56.77 60.73 67.98 76.00 77.29 78.45 71.48 59.27 50.48 34.13 60.54
1990 47.03 53.29 55.77 60.13 68.00 77.40 79.39 81.71 76.53 62.58 54.67 48.00 63.71
1991 43.37 46.77 55.26 64.08 71.32 77.05 81.18 79.65 74.53 64.65 49.22 49.32 63.03
1992 42.29 49.26 52.74 60.02 67.69 74.22 80.15 75.37 73.67 61.21 51.47 45.53 61.13
1993 46.77 44.38 48.29 57.92 67.05 76.52 82.45 79.48 73.02 61.79 50.53 43.71 60.99
1994 37.71 46.16 52.69 64.75 67.98 76.13 76.53 76.81 72.03 63.55 57.35 48.44 61.68
1995 ----- z 41.66 56.77 62.33 71.48 74.85 81.10 83.13 72.88 61.68 48.70 42.53 63.37
1996 41.24 43.97 47.63 58.25 72.06 76.15 78.27 77.39 71.42 61.84 51.03 46.19 60.45
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 43.06 47.59 57.10 61.47 71.10 79.57 78.19 78.79 74.53 61.55 53.35 43.47 62.48
2010 39.03 39.55 49.71 64.78 73.18 81.03 83.74 84.11 76.90 65.00 55.10 38.81 62.58
2011 39.69 47.89 57.58 65.92 70.02 83.17 83.18 82.45 72.97 61.35 55.77 48.84 64.07
2012 49.78 a 51.45 64.97 65.22 74.67 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 57.85
Period of Record Statistics
MEAN 41.30 45.14 52.84 61.71 69.57 76.88 79.95 79.33 73.78 62.64 53.09 44.80 61.70
S.D. 4.17 4.29 4.26 2.86 2.30 2.25 2.33 2.25 2.37 2.62 3.07 3.97 1.08
SKEW 0.43 0.12 0.15 -0.26 0.12 0.49 0.36 0.39 0.24 0.31 0.14 -0.26 0.29
MAX 51.98 54.73 64.97 66.87 74.05 83.17 85.48 84.82 79.75 68.81 59.95 53.40 64.07
MIN 33.33 35.98 42.39 53.93 65.02 72.97 75.79 74.74 68.78 58.13 45.93 34.13 59.63
NO YRS 41 43 43 43 42 42 41 40 42 43 43 43 35