NINETY NINE ISLANDS, SOUTH CAROLINA

Period of Record General Climate Summary - Temperature

From Year=1940 To Year=2012
Station:(386293) NINETY NINE ISLANDS
Averages Daily Extremes
Monthly Averages Daily Extremes Monthly Extremes Max. Temp. Min. Temp.
Max. Min. Mean High Date Low Date Highest
Mean
Year Lowest
Mean
Year >=
90 F
<=
32 F
<=
32 F
<=
0 F
F F F F dd/yyyy
or
yyyymmdd
F dd/yyyy
or
yyyymmdd
F - F - # Days # Days # Days # Days
January 51.6 26.7 39.2 79 31/1975 -4 21/1985 51.0 74 29.4 77 0.0 0.9 22.0 0.1
February 55.5 28.8 42.2 80 26/1977 2 26/1967 49.0 76 35.0 78 0.0 0.1 18.9 0.0
March 64.0 35.8 49.9 87 15/1967 8 12/1998 58.1 112 43.9 69 0.0 0.0 12.5 0.0
April 72.7 43.3 58.0 92 30/1962 18 20/1983 63.2 102 52.6 61 0.2 0.0 4.6 0.0
May 79.3 52.8 66.0 97 19/1962 28 02/1963 72.1 62 60.7 97 1.6 0.0 0.2 0.0
June 85.7 61.5 73.6 100 21/1964 38 01/1984 77.8 81 68.9 97 7.9 0.0 0.0 0.0
July 89.0 65.9 77.4 104 19/1986 50 11/1961 81.2 93 75.0 96 15.3 0.0 0.0 0.0
August 87.9 65.3 76.6 106 21/1983 47 30/1965 82.0 107 72.9 97 12.7 0.0 0.0 0.0
September 82.2 58.4 70.3 98 10/1983 33 30/1967 74.4 73 64.0 67 4.5 0.0 0.0 0.0
October 73.1 45.1 59.1 91 02/1986 19 30/1965 66.9 84 52.2 87 0.1 0.0 3.9 0.0
November 63.7 35.4 49.5 87 02/1974 9 25/1970 58.0 85 43.1 76 0.0 0.0 14.0 0.0
December 54.1 28.6 41.3 80 30/1984 -4 13/1962 50.5 71 33.6 110 0.0 0.2 21.5 0.1
Annual 71.6 45.6 58.6 106 19830821 -4 19621213 60.8 98 56.3 97 42.4 1.3 97.6 0.2
Winter 53.7 28.0 40.9 80 19770226 -4 19621213 45.8 74 35.7 77 0.0 1.3 62.4 0.2
Spring 72.0 44.0 58.0 97 19620519 8 19980312 61.1 77 54.7 71 1.9 0.0 17.3 0.0
Summer 87.5 64.2 75.9 106 19830821 38 19840601 78.8 110 72.5 97 35.9 0.0 0.0 0.0
Fall 73.0 46.3 59.6 98 19830910 9 19701125 63.8 85 55.4 76 4.6 0.0 17.9 0.0
Table updated on May 22,
For monthly and annual means, thresholds, and sums:
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered
Seasons are climatological not calendar seasons
Winter = Dec., Jan., and Feb. Spring = Mar., Apr., and May
Summer = Jun., Jul., and Aug. Fall = Sep., Oct., and Nov.


Southeast Regional Climate Center, SERCC staff