PLYMOUTH EXP STN, NORTH CAROLINA

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(316853)

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
1945 ----- z 34.18 43.55 k 47.33 u 52.81 65.17 69.74 66.90 66.37 48.65 41.83 31.45 53.01
1946 34.37 a 33.96 b 46.90 45.87 57.53 a 62.90 67.68 f 63.67 s 61.17 52.73 a 45.97 37.80 a 47.92
1947 39.94 27.25 33.71 48.96 c 56.71 62.43 66.27 a 69.68 65.55 a 56.70 a 41.47 31.13 49.98
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 64.23 63.37 47.45 49.27 37.26 52.31
1949 41.32 40.32 39.35 46.57 55.97 66.17 69.13 67.57 a 59.07 52.25 c 35.25 b 29.00 z 52.09
1950 43.54 r 37.30 a 38.65 43.27 57.00 62.87 67.19 62.68 62.33 53.74 35.33 27.52 49.81
1951 33.74 32.79 38.77 44.27 52.23 a 62.63 66.23 a 65.90 58.83 53.42 36.80 33.06 48.22
1952 34.52 34.00 37.19 48.00 55.83 a 68.30 67.35 67.71 62.00 44.58 39.47 31.87 49.24
1953 37.45 40.43 41.84 47.87 60.52 61.97 68.26 65.00 58.73 50.58 36.80 35.13 50.38
1954 30.42 34.36 36.97 50.27 51.35 61.10 64.93 b 66.03 62.20 j 45.30 h 37.93 28.52 46.19
1955 29.16 31.25 43.77 50.23 56.58 58.57 69.29 69.13 65.70 48.68 37.10 28.87 49.03
1956 29.90 37.00 37.16 46.18 b 55.87 65.77 67.74 65.65 59.83 57.52 38.90 41.16 50.22
1957 32.45 38.68 40.16 49.07 57.90 65.03 64.45 64.61 64.97 47.03 43.00 34.10 50.12
1958 27.52 25.85 a 36.16 47.13 57.58 62.17 70.45 67.48 57.50 49.97 41.90 26.26 47.50
1959 28.90 35.32 37.77 a 48.10 54.94 61.33 69.65 67.71 62.07 55.68 40.23 34.74 49.70
1960 34.13 33.45 29.45 49.70 56.03 65.03 66.26 69.90 62.83 51.74 40.80 24.71 48.67
1961 26.32 35.50 43.26 44.07 54.58 62.66 a 68.26 67.65 63.70 46.61 42.24 a 33.48 49.03
1962 30.23 35.75 36.39 44.87 58.48 63.63 65.32 65.29 58.57 51.13 40.17 31.03 48.40
1963 28.68 27.39 42.32 46.73 52.42 61.80 65.13 64.74 57.23 48.00 39.73 26.74 46.74
1964 32.13 32.76 40.06 49.87 56.39 64.07 68.06 66.03 61.53 47.35 42.87 37.97 49.92
1965 31.35 33.75 35.81 45.73 58.77 62.67 67.06 65.71 62.03 47.16 39.60 31.65 48.44
1966 29.90 33.29 37.35 43.37 54.16 60.37 65.87 67.19 59.60 48.26 39.50 31.77 47.55
1967 34.68 32.04 38.06 46.53 50.68 59.70 67.52 65.81 54.80 45.94 34.17 36.32 47.19
1968 27.00 24.90 39.16 45.43 53.71 63.70 68.58 68.84 58.10 51.00 41.37 30.67 a 47.70
1969 28.71 33.64 33.74 47.27 54.35 65.70 69.00 65.03 59.27 53.52 37.93 31.87 48.34
1970 25.16 30.68 37.42 48.43 57.23 62.37 66.65 66.83 a 60.47 51.03 39.33 32.71 48.19
1971 28.55 31.86 36.45 41.43 52.48 64.07 67.39 65.48 61.87 58.77 38.73 41.39 49.04
1972 35.81 32.07 38.19 44.67 54.35 58.70 66.65 63.97 61.00 49.23 39.77 36.84 48.44
1973 29.94 26.71 42.77 45.00 53.45 64.43 64.52 65.27 a 61.83 52.61 41.27 34.84 48.55
1974 43.06 33.75 42.94 48.10 56.52 62.60 65.45 67.55 61.37 43.13 37.97 35.29 49.81
1975 34.97 35.71 38.16 43.77 56.26 62.93 67.26 66.81 62.53 53.13 42.40 33.19 49.76
1976 28.48 37.03 41.90 44.53 53.87 63.03 66.23 63.84 56.41 c 44.81 31.77 28.06 46.66
1977 21.26 28.11 41.97 46.17 54.32 59.87 67.32 65.90 61.37 47.16 43.03 31.68 47.35
1978 26.03 22.21 35.90 46.03 53.97 60.63 64.97 67.35 59.90 45.48 46.17 34.00 46.89
1979 28.81 25.86 36.48 47.50 55.19 59.13 65.23 65.84 64.87 46.77 43.27 32.61 47.63
1980 32.71 25.52 37.13 46.53 55.77 60.67 66.32 66.80 a 64.30 46.87 36.70 31.58 47.58
1981 22.13 31.68 32.45 47.20 53.19 66.90 a 68.06 63.19 56.73 46.26 38.27 30.60 a 46.39
1982 27.45 34.36 40.00 42.30 56.00 62.23 67.58 64.45 58.37 47.68 43.20 39.61 48.60
1983 31.42 31.96 41.13 43.17 53.03 61.33 66.13 66.13 61.03 51.90 40.73 30.94 48.24
1984 27.00 36.03 34.39 43.43 55.16 62.40 67.06 66.55 58.23 55.58 37.33 40.19 48.61
1985 25.13 30.29 37.60 a 49.30 55.97 62.67 66.84 65.42 58.80 55.87 51.37 29.77 49.08
1986 28.19 35.07 38.48 45.57 56.61 67.13 71.32 66.71 62.77 55.19 48.60 37.65 51.11
1987 31.94 30.96 37.84 46.80 57.87 66.70 69.00 70.03 64.70 45.00 43.03 36.97 50.07
1988 30.19 33.10 39.00 47.33 56.00 62.27 68.77 71.39 62.30 44.65 43.37 32.35 49.23
1989 37.13 35.68 42.03 46.90 54.65 67.73 69.74 69.90 65.70 52.55 43.83 27.16 51.08
1990 38.87 41.46 44.03 47.73 58.10 64.47 70.13 68.39 60.23 53.87 42.37 41.68 52.61
1991 36.39 36.68 42.94 50.93 61.77 66.47 73.13 70.39 61.93 51.74 41.10 36.42 52.49
1992 35.26 36.69 38.71 46.90 53.29 62.00 71.32 67.32 64.17 47.90 45.53 37.77 50.57
1993 38.48 32.14 38.39 45.77 56.65 64.97 70.97 65.55 62.30 51.48 42.73 33.10 50.21
1994 29.90 34.11 41.06 50.73 53.03 66.60 71.26 65.94 59.83 50.48 46.70 41.35 50.92
1995 36.19 33.36 40.35 48.13 56.61 66.07 70.61 69.74 62.40 55.13 38.10 30.81 50.63
1996 32.55 33.59 36.90 49.03 57.77 65.47 71.00 m 67.10 63.00 51.77 38.57 39.84 48.69
1997 33.97 38.75 44.26 45.63 54.03 62.60 69.65 64.45 61.63 50.48 41.37 35.94 50.23
1998 38.74 40.54 42.74 49.53 59.74 67.90 70.26 69.97 64.13 50.81 42.53 41.55 53.20
1999 36.81 36.46 36.65 49.93 56.00 65.07 71.58 69.35 64.07 c 50.74 43.80 35.03 51.29
2000 31.86 b 35.34 43.19 48.30 59.58 67.10 67.84 70.48 j 64.13 49.10 37.90 29.26 48.51
2001 31.00 37.81 a 39.00 48.53 56.10 a 67.57 67.45 68.68 59.87 46.45 41.20 41.35 50.42
2002 35.23 36.50 42.29 52.53 56.87 66.47 70.23 68.52 66.53 57.32 41.10 34.19 52.31
2003 29.29 34.07 45.06 49.37 59.87 67.30 71.48 71.65 66.33 i 51.94 48.07 34.45 51.14
2004 29.55 33.90 43.10 49.53 63.68 68.30 71.42 68.35 66.37 53.48 44.53 35.42 52.30
2005 35.29 35.46 38.26 49.70 55.03 66.97 73.39 72.03 68.07 56.13 45.00 34.19 52.46
2006 40.03 34.75 39.42 51.83 57.00 66.90 71.45 70.97 61.60 50.77 45.27 38.71 52.39
2007 37.35 30.96 42.06 47.67 56.26 64.87 68.32 69.94 63.80 58.16 40.83 39.90 51.68
2008 33.23 37.83 42.61 52.30 55.10 68.27 68.45 67.39 65.50 48.87 40.30 40.29 51.68
2009 31.03 32.82 40.06 49.60 60.61 66.90 67.65 70.87 63.03 53.03 47.23 34.90 51.48
2010 29.65 29.14 41.00 49.87 61.39 71.73 70.29 70.00 63.50 52.39 40.43 26.23 50.47
2011 29.32 36.00 41.10 52.63 57.68 67.87 71.58 69.61 64.50 50.19 43.77 38.97 51.93
2012 36.29 36.52 48.94 48.11 b 61.44 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 42.46
Period of Record Statistics
MEAN 32.07 33.56 39.52 47.39 56.07 64.17 68.32 67.26 61.85 50.69 41.32 34.15 49.62
S.D. 4.56 3.97 3.43 2.54 2.55 2.79 2.21 2.24 2.80 3.74 3.69 4.38 1.76
SKEW 0.13 -0.61 -0.05 -0.09 0.50 0.08 0.24 0.21 -0.18 0.15 0.22 -0.03 0.12
MAX 43.06 41.46 48.94 52.63 63.68 71.73 73.39 72.03 68.07 58.77 51.37 41.68 53.20
MIN 21.26 22.21 29.45 41.43 50.68 58.57 64.45 62.68 54.80 43.13 31.77 24.71 46.39
NO YRS 65 67 66 66 66 66 64 65 65 66 67 66 58