JOHNSTON 4 SW, SOUTH CAROLINA

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(384607)

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 ----- z ----- z ----- z ----- z ----- z ----- z 65.86 j 65.27 48.74 44.70 35.39 48.52
1958 29.42 27.18 39.26 49.63 59.35 66.10 70.58 68.77 61.57 48.45 45.93 30.35 49.72
1959 31.26 38.00 39.52 52.40 62.23 65.43 69.19 68.94 63.60 55.97 41.03 36.29 51.99
1960 35.48 33.14 32.52 51.43 56.87 65.43 68.61 68.87 63.07 53.42 42.20 28.35 49.95
1961 29.81 39.00 44.74 44.83 56.32 62.93 66.71 67.13 63.03 46.00 46.63 35.29 50.20
1962 33.00 38.64 38.55 47.47 62.58 65.47 68.48 67.19 60.30 50.58 38.40 32.65 50.28
1963 28.13 28.29 45.90 52.30 58.26 65.47 67.77 67.71 59.40 49.68 40.67 28.29 49.32
1964 31.00 31.28 40.23 50.37 57.94 66.47 67.74 66.97 61.83 47.00 45.17 36.94 50.24
1965 32.58 34.32 40.16 51.07 60.74 63.83 67.81 67.23 62.73 48.19 41.47 32.19 50.19
1966 29.48 ----- z 38.23 49.47 58.94 62.90 68.55 67.35 60.97 49.23 ----- z 32.03 51.71
1967 34.94 31.00 44.13 52.80 54.71 62.87 66.26 65.23 53.60 45.58 36.70 37.71 48.79
1968 30.06 27.52 37.52 50.97 55.61 65.70 68.90 69.48 60.30 51.81 40.47 30.42 49.06
1969 29.81 33.11 35.06 50.37 57.48 67.67 71.06 65.65 62.13 51.61 36.77 29.90 49.22
1970 25.23 30.71 41.48 51.57 59.26 64.90 68.77 69.48 64.87 53.26 37.33 36.65 50.29
1971 32.61 31.54 35.97 48.37 54.94 66.60 68.45 69.03 64.63 57.19 40.60 44.03 51.16
1972 39.68 32.38 39.94 48.10 55.87 60.60 67.03 67.06 61.50 48.90 40.67 38.13 49.99
1973 32.29 27.93 46.26 47.23 53.97 66.13 68.81 67.45 65.53 51.32 41.03 32.45 50.03
1974 45.42 33.46 43.55 47.63 60.55 62.83 67.26 67.61 60.87 45.74 40.40 35.45 50.90
1975 37.13 38.14 39.00 a 45.57 60.28 f 64.90 67.26 68.10 b 63.13 54.94 44.47 34.19 50.62
1976 29.13 39.14 47.13 49.43 56.13 63.97 67.97 66.48 61.60 46.61 36.17 29.97 49.48
1977 22.16 29.61 44.42 50.63 56.23 62.87 66.61 63.71 58.70 45.48 45.53 32.53 a 48.21
1978 24.55 27.21 38.39 49.53 57.48 64.20 65.48 64.65 58.77 45.35 45.23 32.81 47.80
1979 26.23 29.25 41.52 48.00 c 55.48 59.87 63.43 a 63.58 63.27 45.81 40.57 31.03 47.34
1980 32.45 25.55 36.84 46.70 55.43 a 64.57 69.35 67.16 65.07 47.94 39.03 32.26 48.53
1981 27.00 32.46 36.84 52.47 52.74 68.30 69.48 66.27 a 57.73 47.03 39.23 31.03 48.38
1982 27.13 36.93 44.13 48.47 58.97 66.13 69.52 66.35 61.57 51.39 44.73 41.32 51.39
1983 30.81 34.36 41.81 46.00 57.06 62.87 68.16 68.19 60.73 51.03 38.80 32.16 49.33
1984 30.16 35.66 40.26 47.17 55.45 64.60 67.58 67.45 57.63 55.90 35.97 41.65 49.96
1985 28.29 35.36 42.87 49.53 57.90 64.90 67.74 66.65 60.10 57.16 53.47 29.84 51.15
1986 29.94 39.29 41.35 48.17 58.48 68.07 71.13 67.74 63.83 53.23 49.50 36.29 52.25
1987 32.23 34.86 42.06 44.83 59.68 66.73 68.65 70.16 63.40 41.32 42.03 36.65 50.22
1988 28.03 31.93 40.42 48.10 53.87 61.20 67.71 68.74 63.23 44.97 42.27 33.03 48.63
1989 37.48 37.18 44.35 48.10 53.97 66.17 68.06 67.87 62.27 50.58 41.40 27.55 50.42
1990 36.84 40.25 45.35 45.93 56.48 63.33 68.48 67.03 ----- z 50.81 39.40 36.87 50.07
1991 33.81 35.46 39.97 51.70 61.58 63.87 68.90 65.29 57.50 46.13 34.27 35.10 49.46
1992 33.42 38.00 38.61 46.03 53.35 62.80 68.42 66.00 61.87 45.71 41.37 33.77 49.11
1993 36.74 32.36 35.90 43.17 56.42 65.07 70.45 66.81 62.47 49.13 39.60 31.52 49.14
1994 27.06 35.07 40.84 47.40 53.45 65.97 68.00 64.77 59.10 49.32 44.37 37.35 49.39
1995 31.87 30.18 41.71 48.20 58.19 63.87 68.32 69.58 61.33 51.68 35.83 30.03 49.23
1996 29.71 33.07 35.61 45.00 58.16 63.57 67.87 65.84 59.20 46.13 35.50 32.58 47.69
1997 33.23 36.04 44.32 42.50 49.23 60.63 67.61 63.26 60.10 49.42 35.40 32.03 47.81
1998 33.90 ----- z 38.39 48.33 58.94 65.00 68.45 64.61 61.47 49.74 44.37 37.58 51.89
1999 33.48 33.71 34.65 50.30 52.50 a 62.53 67.68 67.71 57.43 49.52 43.53 32.55 48.80
2000 30.61 33.69 42.00 43.57 57.77 63.30 66.23 65.90 59.63 45.71 37.67 25.87 47.66
2001 28.29 36.79 37.39 47.76 a 54.23 62.93 64.65 63.84 56.23 40.42 40.47 34.29 47.27
2002 29.26 29.50 37.32 50.97 50.00 60.27 63.90 60.61 60.40 51.06 32.57 31.29 46.43
2003 26.90 33.68 44.45 47.40 58.77 62.30 67.55 69.23 59.73 48.26 41.30 25.35 48.74
2004 27.10 27.76 38.32 40.17 56.32 63.50 63.35 59.68 57.17 50.10 ----- z 24.29 46.16
2005 ----- z 30.04 32.81 39.73 47.42 60.13 63.84 68.45 62.63 52.96 e 39.63 29.23 47.90
2006 35.23 31.57 ----- z 49.50 53.94 62.33 66.13 66.58 58.03 42.58 35.37 31.52 48.43
2007 32.35 25.14 39.43 a 40.30 49.39 59.80 61.45 64.48 61.43 ----- z ----- z 38.84 47.26
2008 29.71 33.10 38.23 46.47 54.00 65.93 67.23 68.13 62.57 47.26 36.10 36.74 48.79
2009 30.23 32.32 42.13 45.20 58.58 65.70 64.84 63.10 62.00 49.58 42.63 30.97 48.94
2010 26.19 26.75 37.61 48.40 60.90 69.63 70.55 71.23 62.57 48.03 39.50 23.68 48.75
2011 27.13 34.75 39.94 48.80 55.71 65.24 a 70.39 68.16 61.57 46.65 40.97 36.71 49.67
2012 34.97 36.17 49.94 50.37 61.73 t ----- z ----- z ----- z ----- z ----- z ----- z ----- z 42.86
Period of Record Statistics
MEAN 31.13 33.02 40.36 47.93 56.41 64.23 67.67 66.75 61.12 49.10 40.74 33.15 49.38
S.D. 4.11 3.87 3.65 3.08 3.25 2.21 2.01 2.25 2.46 3.66 3.99 4.20 1.24
SKEW 0.75 -0.12 0.18 -0.79 -0.54 -0.10 -0.89 -0.90 -0.59 0.14 0.55 0.08 0.01
MAX 45.42 40.25 49.94 52.80 62.58 69.63 71.13 71.23 65.53 57.19 53.47 44.03 52.25
MIN 22.16 25.14 32.52 39.73 47.42 59.80 61.45 59.68 53.60 40.42 32.57 23.68 46.43
NO YRS 54 53 54 55 53 54 54 54 54 54 52 55 46