NINETY NINE ISLANDS, SOUTH CAROLINA

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(386293)

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
1940 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1941 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1942 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1943 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1944 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1945 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1946 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1947 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1950 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1951 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1952 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1953 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1954 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1955 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1956 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1957 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1958 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1959 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1960 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 75.71 64.97 51.58 64.09
1961 51.16 58.11 66.45 67.17 76.61 84.80 89.06 86.23 86.20 76.90 68.10 53.35 72.01
1962 49.97 59.44 a 59.10 70.70 88.64 c 84.46 f 89.97 89.71 82.30 76.65 61.07 51.06 70.78
1963 50.13 51.39 67.19 75.38 a 79.55 84.47 88.26 90.13 a 82.67 77.94 65.13 47.77 71.67
1964 53.90 51.41 64.35 72.27 82.19 89.07 87.45 85.74 83.60 70.03 69.77 ----- z 73.62
1965 55.29 56.68 58.29 73.43 86.74 83.33 88.03 89.10 83.60 73.32 65.60 58.55 72.66
1966 46.74 53.39 63.48 71.80 78.35 85.97 91.26 88.23 a 82.83 72.29 65.50 54.10 71.16
1967 57.45 52.04 68.90 76.53 77.58 83.67 86.16 85.61 77.93 73.48 61.43 57.81 71.55
1968 49.16 52.76 68.39 73.67 78.52 86.83 88.84 92.48 84.63 74.71 63.10 54.19 72.27
1969 50.84 52.57 60.03 73.93 ----- z 89.00 93.42 86.16 79.80 74.10 63.70 52.13 70.52
1970 48.29 57.50 63.42 75.03 82.48 86.90 91.87 88.23 87.47 75.84 63.53 57.77 73.19
1971 49.97 a 55.75 58.94 73.67 78.16 88.93 86.48 86.74 84.60 76.35 63.20 62.26 72.09
1972 56.52 52.93 63.26 73.47 76.84 84.00 88.42 87.84 85.70 71.73 a 60.93 57.61 71.60
1973 53.26 54.50 66.74 70.47 77.97 85.87 89.35 87.94 87.20 76.39 67.73 54.48 72.66
1974 61.23 58.46 69.84 74.20 81.39 83.90 88.13 87.03 79.70 75.65 64.27 53.06 73.07
1975 56.97 58.07 60.19 72.47 82.39 86.77 87.42 91.13 81.00 77.10 67.37 54.84 72.98
1976 51.39 66.24 68.26 76.53 76.55 83.63 88.13 87.48 81.23 68.45 57.70 51.81 71.45
1977 41.58 57.14 68.29 76.77 82.84 88.40 93.97 89.42 84.67 70.48 63.27 52.81 72.47
1978 45.58 48.00 62.65 75.20 78.55 88.20 90.48 89.68 84.40 74.74 66.50 56.10 71.67
1979 49.65 50.32 67.00 72.97 78.90 82.53 86.19 89.35 80.07 73.61 66.57 56.90 71.17
1980 51.32 52.76 59.61 73.00 80.29 85.20 93.03 94.55 85.83 71.23 61.70 56.03 72.05
1981 51.29 57.57 63.77 78.03 78.90 90.53 90.84 86.13 84.00 71.35 65.50 49.16 72.26
1982 48.39 56.36 66.10 69.47 85.19 86.10 88.97 86.52 81.03 72.61 64.37 59.03 72.01
1983 50.13 55.46 64.42 68.43 79.58 86.23 94.52 93.81 84.33 73.81 63.70 51.45 72.16
1984 51.61 59.55 63.65 68.30 79.00 88.87 86.87 88.74 82.63 80.19 63.23 64.03 73.06
1985 48.42 55.36 68.94 77.23 81.19 89.40 89.10 86.74 82.60 74.97 67.97 52.26 72.85
1986 52.71 58.29 65.06 76.37 78.97 89.23 94.19 83.84 81.23 72.65 59.47 51.97 72.00
1987 49.68 51.86 61.52 69.77 80.71 84.70 91.06 89.71 80.87 68.71 64.70 55.10 70.70
1988 44.84 54.10 63.84 72.90 a 79.35 86.53 87.74 89.42 78.73 66.45 63.80 53.97 70.14
1989 55.94 55.36 63.13 69.70 75.48 84.50 86.23 85.16 78.47 74.10 62.47 45.84 69.70
1990 58.32 61.71 65.32 71.73 77.55 85.90 88.39 88.16 82.20 73.48 67.67 56.97 73.12
1991 50.00 a 58.57 64.29 72.33 79.94 83.27 88.26 84.32 81.93 74.39 60.27 57.55 71.26
1992 54.23 57.59 62.10 71.30 73.71 79.73 88.55 81.87 78.10 69.35 59.73 49.26 68.79
1993 52.87 51.32 57.10 69.50 77.87 86.20 94.42 88.03 83.27 72.61 62.07 51.23 70.54
1994 46.35 56.14 65.29 75.30 76.45 84.83 84.74 83.00 77.93 69.90 65.37 56.16 70.12
1995 51.68 50.86 65.84 74.17 78.97 81.67 88.94 86.39 78.00 71.74 57.20 51.39 69.74
1996 48.65 55.45 57.48 70.63 80.13 82.97 85.23 82.19 77.13 69.68 54.43 53.26 68.10
1997 49.90 55.25 66.94 66.17 73.19 77.90 86.90 84.71 80.13 69.74 55.37 50.23 68.04
1998 54.58 56.04 59.58 70.83 80.94 88.10 89.65 87.81 83.83 75.35 64.27 57.29 72.36
1999 56.35 59.00 60.23 74.27 78.74 82.63 89.58 91.84 83.67 72.45 68.37 56.71 72.82
2000 49.87 60.07 68.58 69.63 82.90 86.90 87.84 86.94 79.43 76.68 61.00 45.13 71.25
2001 52.13 58.68 60.84 74.20 80.10 84.83 84.23 88.61 79.20 72.52 70.27 59.90 72.13
2002 55.00 57.29 63.71 75.87 76.71 87.47 91.13 89.26 80.90 70.03 59.20 50.55 71.43
2003 48.71 54.25 63.32 68.67 74.48 81.33 84.55 85.32 81.43 72.16 68.23 52.45 69.58
2004 51.58 50.86 66.61 72.80 83.32 84.50 88.48 84.35 79.80 71.77 64.70 54.03 71.07
2005 55.10 55.00 61.10 70.37 76.03 82.53 88.00 88.45 87.70 74.10 65.23 52.10 71.31
2006 57.90 54.29 63.65 76.87 77.16 85.60 88.45 89.19 80.33 70.39 64.60 60.55 72.41
2007 55.06 52.29 69.10 71.30 79.68 86.37 86.74 96.06 87.10 78.06 64.50 59.16 73.79
2008 50.77 58.38 63.74 68.93 77.94 90.73 89.06 87.29 80.57 71.26 60.10 55.35 71.18
2009 50.52 56.29 61.10 71.70 77.35 86.60 86.23 87.77 81.17 68.74 63.30 49.61 70.03
2010 48.03 47.68 62.00 75.93 80.00 88.60 91.58 88.61 86.83 75.52 64.07 44.97 71.15
2011 48.16 58.04 63.00 74.07 79.20 a 89.31 a 92.00 90.16 81.87 71.84 64.73 58.48 72.57
2012 54.55 58.62 72.32 72.90 80.82 t ----- z ----- z ----- z ----- z ----- z ----- z ----- z 64.60
Period of Record Statistics
MEAN 51.61 55.52 64.00 72.66 79.31 85.71 88.99 87.91 82.19 73.14 63.67 54.10 71.53
S.D. 3.79 3.51 3.48 2.82 3.00 2.76 2.58 2.88 2.80 2.89 3.41 4.15 1.31
SKEW 0.09 0.13 0.06 -0.16 0.73 -0.42 0.46 0.41 0.23 0.06 -0.54 -0.05 -0.98
MAX 61.23 66.24 72.32 78.03 88.64 90.73 94.52 96.06 87.70 80.19 70.27 64.03 73.79
MIN 41.58 47.68 57.10 66.17 73.19 77.90 84.23 81.87 77.13 66.45 54.43 44.97 68.04
NO YRS 52 52 52 52 50 50 51 51 51 52 52 51 48