ROCK MILLS, ALABAMA

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(017025)

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
1938 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1939 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1940 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1941 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 56.17 x 54.56 d 34.70 c 33.19 e 40.82
1942 26.63 d ----- z 39.33 a 45.87 56.90 66.73 69.58 67.00 60.83 50.06 40.80 35.90 50.88
1943 36.39 34.64 40.74 48.67 59.32 68.30 69.87 68.84 59.07 47.00 34.37 33.03 50.02
1944 32.81 42.00 42.39 47.57 57.55 65.37 ----- z ----- z ----- z 39.85 r 38.57 31.42 44.71
1945 32.52 40.21 49.68 50.83 54.58 64.27 69.42 66.94 64.97 47.97 40.10 28.58 50.84
1946 37.13 33.36 45.45 50.03 57.71 62.70 68.29 65.81 61.07 47.65 47.97 34.19 50.95
1947 38.52 26.64 35.10 50.90 55.87 63.77 63.74 68.77 64.07 56.19 40.80 33.10 49.79
1948 28.00 39.66 46.48 52.70 55.32 64.80 69.00 66.52 59.73 43.35 41.90 36.71 50.35
1949 40.58 39.67 a 38.39 45.63 56.45 64.83 a 69.45 67.90 60.30 57.26 34.53 35.13 50.84
1950 47.77 39.29 39.16 44.73 60.81 64.23 66.39 62.84 60.63 51.55 33.20 30.29 50.07
1951 33.19 33.89 42.68 45.93 52.27 a 64.57 66.83 a ----- z 64.40 51.90 36.10 36.94 48.06
1952 41.73 a 37.86 39.35 45.97 55.84 67.50 66.16 67.10 ----- z 40.55 36.80 32.35 48.29
1953 34.03 35.74 a 42.55 44.73 60.19 65.40 67.39 64.00 57.83 48.16 34.47 33.35 48.99
1954 33.26 35.25 40.52 51.27 50.16 60.37 67.97 66.26 60.13 46.16 34.63 31.13 48.09
1955 31.71 36.07 43.00 50.03 56.94 58.17 a 67.29 67.71 62.47 44.68 36.60 32.94 48.97
1956 30.32 40.45 40.16 44.83 57.13 61.57 b 66.52 65.74 55.80 51.10 34.17 41.14 c 49.08
1957 37.23 44.75 40.77 50.30 57.84 65.33 65.90 63.87 62.50 47.42 43.13 33.40 a 51.04
1958 29.10 26.25 39.58 48.67 55.81 64.23 67.74 64.81 60.23 45.26 40.20 29.65 47.63
1959 29.32 38.14 36.84 47.00 57.74 63.63 66.23 65.77 61.97 55.77 37.03 33.35 49.40
1960 34.87 32.12 c 31.84 47.20 51.07 b 62.07 b 66.90 66.71 62.11 c 41.00 v 36.67 26.90 47.13
1961 26.26 36.54 42.00 43.67 52.26 59.70 c 64.16 64.84 60.93 43.19 43.43 33.87 47.57
1962 32.16 40.50 d 37.30 d 44.79 a 57.52 64.10 66.61 64.81 59.90 48.16 38.13 29.17 a 48.60
1963 26.77 26.96 40.86 b 48.50 d 55.96 c 63.13 63.44 d 63.68 58.00 44.90 a 34.70 23.16 45.84
1964 26.03 26.66 35.68 47.70 54.45 62.73 66.10 64.19 58.50 43.94 39.27 33.35 46.55
1965 29.03 28.86 36.74 48.70 54.00 61.50 65.58 64.48 60.77 46.16 39.60 27.35 46.90
1966 27.45 29.82 33.52 43.93 54.77 58.03 66.97 64.48 57.90 45.42 37.60 30.45 45.86
1967 30.03 28.37 a 38.29 48.60 51.04 c 61.33 63.42 63.00 53.97 41.29 32.47 35.26 45.59
1968 27.87 a 23.48 31.77 44.77 52.07 c 59.50 65.58 66.19 56.30 47.62 b 33.50 25.27 a 44.49
1969 26.70 d 30.96 30.48 45.77 53.29 61.82 b 67.81 62.08 e 58.21 a 48.96 d 30.60 27.61 c 45.36
1970 23.03 25.57 35.16 47.40 52.23 a 60.93 64.58 68.00 62.87 50.42 31.50 32.29 46.17
1971 31.52 28.18 31.97 40.10 49.13 62.83 65.87 a 65.37 a 62.77 52.10 33.87 40.40 a 47.01
1972 33.35 31.24 35.23 43.77 53.94 59.10 64.58 65.35 61.03 47.35 38.70 38.23 47.66
1973 29.23 27.50 46.45 45.77 50.94 64.10 67.55 b 64.87 64.13 48.80 a 41.57 30.76 b 48.47
1974 43.97 b 30.54 ----- z ----- z 60.69 o 59.67 65.45 65.45 59.80 40.10 35.03 33.03 48.11
1975 35.42 35.46 37.52 45.93 58.97 62.20 66.58 66.29 58.79 a 50.00 40.53 32.32 c 49.17
1976 26.26 d ----- z 42.83 m 43.27 51.76 f 59.77 64.39 64.80 u 58.17 43.35 31.80 27.55 44.32
1977 22.90 23.00 n 44.28 b 48.10 55.81 62.17 66.42 66.19 62.73 45.39 42.97 a 30.55 49.77
1978 25.13 25.79 35.00 45.43 54.87 63.67 67.97 66.06 62.53 44.03 42.03 32.03 47.05
1979 27.19 31.44 a 38.94 47.73 55.55 60.63 66.81 64.48 62.63 43.61 38.63 31.13 47.40
1980 34.94 27.97 38.06 44.43 55.07 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z 40.09
1981 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1982 ----- z ----- z 43.42 45.80 54.94 60.80 66.06 65.32 56.13 47.90 40.53 38.16 51.91
1983 26.45 32.18 36.29 41.53 51.45 ----- z 67.06 66.97 57.40 47.06 33.83 27.68 44.36
1984 25.35 29.61 a ----- z ----- z 51.42 ----- z ----- z 63.58 53.90 ----- z 32.13 ----- z 42.67
1985 24.77 30.50 40.84 45.47 ----- z ----- z 66.87 ----- z ----- z ----- z ----- z ----- z 41.69
1986 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 46.57 35.09 h 46.57
1987 27.61 34.00 ----- z ----- z ----- z ----- z 65.77 ----- z 58.00 35.65 ----- z ----- z 44.21
1988 ----- z ----- z ----- z ----- z ----- z 60.00 64.87 67.10 62.20 41.03 39.17 27.36 i 55.73
1989 34.58 34.32 42.19 44.93 a 51.97 63.50 66.73 i 64.90 60.33 44.61 36.30 25.13 a 45.71
1990 33.93 b 40.43 41.65 46.43 g 52.37 a 61.53 65.71 65.84 58.60 46.94 36.00 34.30 k 50.30
1991 33.45 36.00 40.26 51.53 60.71 63.47 67.52 64.97 57.60 43.74 33.87 30.36 i 50.28
1992 29.77 34.03 37.19 42.17 49.84 59.80 65.10 61.19 57.83 42.55 ----- z 30.48 j 47.95
1993 27.47 p ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1994 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1995 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1996 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
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 ----- z 32.00 x 42.00 e 46.47 60.68 64.63 63.97 67.00 64.53 51.42 38.20 33.39 53.23
2010 26.23 27.96 36.90 45.97 59.71 67.37 69.00 70.42 59.57 46.06 38.83 26.26 47.86
2011 27.77 33.18 42.32 48.33 53.23 65.37 69.58 67.45 59.60 43.74 40.40 36.68 48.97
2012 34.94 38.48 50.35 48.67 60.25 w ----- z ----- z ----- z ----- z ----- z ----- z ----- z 43.11
Period of Record Statistics
MEAN 31.30 33.25 39.51 46.71 55.06 62.79 66.58 65.68 60.08 46.92 37.57 32.08 48.20
S.D. 5.39 5.21 4.40 2.71 3.13 2.49 1.70 1.81 2.66 4.37 3.90 4.00 1.81
SKEW 0.85 0.15 0.19 0.04 0.09 0.09 0.07 0.04 -0.23 0.23 0.43 0.02 -0.15
MAX 47.77 44.75 50.35 52.70 60.81 68.30 69.87 70.42 64.97 57.26 47.97 41.14 51.04
MIN 22.90 23.48 30.48 40.10 49.13 58.03 63.42 61.19 53.90 35.65 30.60 23.16 44.49
NO YRS 50 47 48 48 47 47 48 46 48 48 50 45 32