SPRINGFIELD EXP STN, TENNESSEE

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(408562)

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
1942 ----- z 26.25 l 37.87 ----- z 52.31 e 64.27 d ----- z 65.16 57.77 h 27.00 z 40.17 30.00 d 48.30
1943 27.58 28.71 32.42 e 44.04 d 55.00 j 66.12 f 66.29 c 63.62 b ----- z ----- z 34.63 29.42 40.84
1944 31.32 35.86 36.68 46.00 58.94 66.47 64.29 67.10 61.03 47.00 40.63 27.13 48.54
1945 27.23 31.86 48.52 49.83 52.45 62.97 64.52 65.10 63.53 47.71 40.73 26.52 48.41
1946 29.71 32.21 47.61 50.20 55.71 64.33 67.35 62.19 58.50 49.61 43.00 34.61 49.59
1947 34.35 21.68 30.45 49.83 52.03 63.97 61.94 69.26 59.13 54.52 37.13 30.23 47.04
1948 19.52 31.86 41.68 51.83 53.97 64.10 67.81 65.10 59.66 a 45.87 42.67 35.23 48.27
1949 37.06 36.79 39.10 a 45.70 57.26 65.13 70.13 65.17 a 53.90 54.43 a 36.30 34.10 a 49.59
1950 38.61 33.54 35.38 b 43.00 59.87 63.55 a 64.39 62.61 59.50 53.03 32.27 25.06 47.57
1951 30.13 32.68 38.26 45.60 53.39 65.50 67.43 a 66.74 58.00 49.61 32.37 32.87 47.71
1952 35.00 a 35.17 37.03 45.68 b 53.97 67.86 a 68.45 67.29 57.07 40.68 38.43 34.13 a 48.40
1953 35.52 34.21 41.71 44.10 a 60.39 66.63 67.61 64.84 57.53 48.03 36.03 30.45 48.92
1954 30.23 36.61 37.87 52.70 49.97 64.97 68.45 69.39 61.83 50.58 37.47 31.81 49.32
1955 28.65 32.25 40.58 52.27 58.81 57.40 69.06 66.00 59.70 45.68 34.33 28.48 47.77
1956 26.42 35.97 37.74 45.60 58.29 62.50 67.16 65.81 56.60 51.26 36.40 39.84 48.63
1957 28.10 37.79 37.39 50.57 56.74 65.97 65.61 c 63.16 60.30 45.32 37.00 33.65 48.47
1958 24.16 16.64 33.32 46.50 55.00 62.13 69.42 65.03 59.00 45.58 39.77 21.58 44.84
1959 24.03 28.57 34.74 48.47 59.94 62.43 65.97 67.55 60.73 48.77 32.57 32.58 47.20
1960 30.06 25.31 23.39 48.33 51.84 62.93 66.00 67.58 61.50 48.03 36.03 22.61 45.30
1961 21.32 31.29 41.48 42.53 50.71 60.87 66.10 63.77 59.90 46.71 38.10 29.29 46.01
1962 22.19 30.14 33.58 43.70 61.77 63.13 65.29 64.74 56.53 51.06 36.37 23.58 46.01
1963 17.16 18.07 40.10 48.97 54.23 62.83 64.74 63.87 56.17 50.55 37.87 18.26 44.40
1964 23.81 25.69 34.94 50.53 57.23 64.40 66.23 65.26 57.67 41.39 39.37 29.94 46.37
1965 25.97 25.00 30.16 48.97 59.94 63.10 66.13 64.10 60.63 43.19 39.73 31.52 46.54
1966 19.97 28.32 34.52 45.30 51.39 60.03 68.50 a 64.03 56.80 41.42 37.77 28.35 44.70
1967 28.03 22.50 39.81 47.33 51.87 62.67 63.45 60.61 53.37 44.65 32.33 30.65 44.77
1968 21.65 20.24 33.32 46.03 53.90 62.03 65.10 66.42 55.80 45.06 38.40 26.45 44.53
1969 24.00 28.93 28.48 45.90 54.23 62.47 68.58 62.65 56.37 44.90 33.17 25.00 44.56
1970 18.90 25.04 34.35 45.44 c 57.33 d 61.83 63.61 66.32 63.53 46.00 34.10 31.48 45.66
1971 24.06 22.79 29.32 42.57 48.61 65.07 63.58 62.16 60.47 53.16 36.73 36.10 45.38
1972 26.42 25.48 34.13 a 45.63 53.52 57.97 64.00 63.39 60.80 43.19 34.30 28.74 44.80
1973 23.23 25.07 42.55 43.57 49.42 63.17 65.16 63.23 61.47 49.71 40.23 28.45 46.27
1974 33.87 27.50 40.81 43.77 55.52 57.90 63.71 63.52 53.47 41.65 36.17 29.23 45.59
1975 28.10 29.32 31.84 41.53 56.19 61.83 62.97 66.65 53.23 46.84 37.60 28.06 45.35
1976 19.87 32.17 39.97 42.37 47.52 60.80 62.77 a 58.77 52.20 39.42 26.43 22.00 42.02
1977 8.84 24.14 39.45 47.63 55.97 61.43 67.45 65.23 59.87 40.90 39.33 26.16 44.70
1978 15.71 13.79 32.35 47.47 53.16 62.53 66.68 65.52 60.10 40.97 39.50 27.32 43.76
1979 16.84 17.89 36.23 44.60 52.32 61.43 ----- z 64.03 56.50 45.35 36.27 29.23 41.88
1980 28.52 21.69 31.06 42.70 52.87 61.10 68.23 67.74 59.90 41.03 33.93 27.10 44.66
1981 18.68 25.07 32.35 49.53 49.10 65.27 67.39 64.13 54.77 45.58 38.63 26.39 44.74
1982 19.39 26.96 38.74 40.87 57.90 59.07 68.39 62.74 56.70 47.16 39.23 36.13 46.11
1983 26.90 30.04 36.81 41.00 51.13 61.07 67.58 67.42 57.50 49.32 37.97 21.03 45.65
1984 19.03 29.90 33.06 45.27 51.16 64.73 63.32 64.68 55.50 54.94 33.03 36.74 45.95
1985 16.23 22.29 39.94 49.07 55.03 62.33 66.48 64.19 55.77 50.84 44.83 19.42 45.53
1986 21.94 30.32 32.86 b 46.43 54.87 63.00 67.45 61.84 63.10 49.32 39.60 30.61 46.78
1987 26.45 31.75 37.68 42.27 60.97 64.43 66.45 62.65 56.77 38.26 41.63 32.39 46.81
1988 22.32 25.31 34.68 43.40 51.35 60.13 67.13 67.00 57.63 39.16 36.60 26.87 44.30
1989 31.74 25.21 36.03 43.50 50.87 62.07 65.29 62.58 55.83 43.45 34.57 13.48 43.72
1990 31.00 33.86 38.16 39.57 49.19 60.30 62.77 60.68 55.90 41.00 38.67 29.10 a 45.02
1991 24.39 25.71 35.74 46.60 57.65 61.17 63.65 59.39 57.23 47.10 35.80 32.23 45.55
1992 27.77 33.00 36.55 45.83 52.65 59.37 67.87 61.45 57.57 43.26 37.93 28.55 45.98
1993 28.74 24.39 33.23 41.27 53.35 61.70 69.13 64.19 54.67 42.26 34.00 28.10 44.59
1994 20.42 27.64 33.32 47.20 47.90 65.40 66.48 62.03 53.67 47.32 42.93 34.29 45.72
1995 27.35 24.43 38.68 44.93 55.35 61.73 66.81 69.00 55.03 45.48 28.73 26.35 45.32
1996 23.42 25.90 29.10 39.77 57.52 62.13 63.68 63.39 54.43 44.58 31.07 29.29 43.69
1997 22.03 32.46 37.03 36.30 46.42 60.70 62.74 60.90 54.67 42.45 31.77 26.74 42.85
1998 30.61 31.00 34.16 41.67 56.45 62.07 65.97 61.19 56.67 44.61 38.83 33.52 46.40
1999 30.39 31.79 32.29 49.40 54.45 65.23 69.87 62.71 53.33 43.32 41.23 29.23 46.94
2000 25.04 c 30.72 37.42 41.53 56.29 63.07 63.23 64.13 55.13 46.68 33.52 a 15.52 44.36
2001 20.19 29.79 28.84 47.00 53.61 58.30 64.58 64.74 53.33 40.35 36.83 29.70 a 43.94
2002 25.97 25.50 31.39 44.07 49.58 62.23 65.19 63.13 57.37 46.71 35.67 29.68 44.71
2003 18.81 27.25 38.13 47.53 56.74 59.97 66.23 66.74 55.97 45.48 40.53 27.52 45.91
2004 22.71 24.28 39.06 44.77 60.08 g 64.27 65.55 60.94 57.83 51.06 41.90 24.97 45.21
2005 32.23 31.11 32.00 46.60 48.97 63.13 68.06 67.58 59.27 44.06 34.50 23.55 45.92
2006 31.52 24.46 34.39 49.07 50.97 59.67 65.94 67.19 53.53 41.29 34.70 28.61 45.11
2007 27.39 19.54 41.60 a 39.33 54.29 60.67 63.61 68.06 59.13 49.06 32.73 34.61 45.84
2008 24.77 29.86 36.29 45.03 52.94 65.77 67.10 64.03 60.80 46.81 36.03 27.94 46.45
2009 23.29 29.57 38.87 45.63 56.39 65.63 64.13 65.35 62.00 45.42 39.67 28.23 47.02
2010 22.03 23.21 38.16 49.67 59.87 68.87 70.52 69.13 59.13 44.65 38.90 22.65 47.23
2011 24.35 30.25 40.47 a 50.60 55.74 66.24 a 71.13 66.29 58.60 45.00 42.13 33.65 48.70
2012 30.87 33.41 49.13 47.40 60.18 t ----- z ----- z ----- z ----- z ----- z ----- z ----- z 40.20
Period of Record Statistics
MEAN 25.49 27.98 36.29 45.70 54.22 62.75 66.14 64.57 57.66 46.01 37.00 28.63 46.04
S.D. 5.60 5.13 4.59 3.39 3.58 2.39 2.15 2.41 2.80 3.94 3.51 4.88 1.68
SKEW -0.09 -0.39 0.26 -0.18 0.03 0.06 0.12 -0.03 0.11 0.27 -0.34 -0.62 0.27
MAX 38.61 37.79 49.13 52.70 61.77 68.87 71.13 69.39 63.53 54.94 44.83 39.84 49.59
MIN 8.84 13.79 23.39 36.30 46.42 57.40 61.94 58.77 52.20 38.26 26.43 13.48 42.02
NO YRS 70 70 71 70 68 69 68 70 68 68 70 70 66