ASSATEAGUE IS NATL SEAS, MARYLAND

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(180335)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 201112
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
1968 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 56.71 44.60 28.61 43.31
1969 26.94 31.07 32.20 a 45.10 55.03 65.23 70.42 68.61 63.17 52.45 41.47 31.87 48.63
1970 22.32 28.82 34.52 44.23 54.94 63.13 65.19 70.10 64.30 55.03 42.23 32.61 48.12
1971 25.13 28.57 33.48 40.83 54.26 63.70 67.10 67.71 66.53 58.13 41.10 38.03 48.71
1972 32.97 29.55 38.10 42.27 52.06 59.07 66.48 66.10 63.20 47.87 39.63 37.03 47.86
1973 28.81 28.39 ----- z 44.83 52.90 63.80 67.00 68.90 64.93 52.68 39.93 30.95 k 51.22
1974 ----- z 26.36 32.32 41.87 50.87 61.72 a 66.45 68.10 61.53 46.37 a 40.23 34.52 48.21
1975 32.55 32.89 32.97 40.70 54.87 64.33 67.23 69.71 62.47 55.74 46.43 33.71 c 49.47
1976 25.45 33.59 38.32 42.20 e 51.79 c 62.77 65.57 c 65.77 59.47 47.00 a 32.57 27.39 c 45.99
1977 17.90 26.79 38.42 46.47 53.97 61.03 68.61 67.48 63.53 48.48 43.93 29.03 b 47.14
1978 23.94 19.79 31.35 41.21 b 49.29 59.93 66.52 72.26 62.17 49.42 44.57 32.55 46.08
1979 27.19 19.52 a 36.32 44.93 55.16 58.63 66.81 68.35 64.00 48.87 45.13 34.52 b 47.45
1980 30.00 24.97 33.87 46.70 55.97 60.83 66.71 67.61 64.80 49.58 36.54 b 27.71 47.11
1981 21.35 29.89 33.87 46.00 52.35 65.70 70.00 65.77 61.33 48.84 42.27 30.97 b 47.36
1982 19.61 ----- z ----- z ----- z ----- z ----- z 68.39 66.19 60.77 51.68 43.00 37.54 e 49.60
1983 29.03 28.07 34.32 42.63 51.68 61.47 69.39 67.97 62.30 53.61 41.50 32.06 47.84
1984 22.06 30.76 29.81 43.53 53.29 62.33 64.35 68.13 60.63 57.77 39.17 37.87 47.48
1985 21.81 28.64 35.42 ----- z ----- z ----- z 68.39 68.39 62.03 56.10 48.10 28.03 46.32
1986 25.00 28.89 32.58 42.67 52.26 61.33 68.16 65.68 59.43 51.52 39.00 29.94 46.37
1987 ----- z 24.00 34.42 43.97 52.97 63.70 69.71 68.39 63.23 45.00 41.27 33.64 t 50.67
1988 28.52 33.71 a ----- z 43.27 51.84 59.50 63.07 a ----- z ----- z 43.97 39.25 b 28.71 43.54
1989 31.13 ----- z 27.94 43.57 56.13 65.90 67.26 66.65 62.50 51.13 40.93 a 19.41 b 48.41
1990 32.03 33.75 36.10 43.03 53.19 60.97 68.42 67.44 d 59.04 b 50.26 40.93 34.87 48.34
1991 30.71 31.75 38.42 45.47 55.97 62.73 69.13 68.87 a 60.47 54.68 38.80 32.58 49.13
1992 ----- z ----- z ----- z ----- z ----- z 56.80 66.10 64.03 62.27 45.65 39.90 31.90 52.38
1993 ----- z 28.96 b 35.18 c 44.13 55.45 65.07 72.71 69.65 64.50 52.35 44.00 32.97 51.36
1994 24.80 a 30.32 37.97 48.33 53.29 65.13 68.65 64.68 62.50 52.06 47.63 39.26 49.55
1995 34.35 28.46 37.10 45.47 54.94 63.80 70.26 68.23 63.13 57.00 z 36.57 29.71 48.36
1996 28.35 29.45 33.48 44.37 53.10 a ----- z 67.39 66.65 64.13 53.10 37.00 37.00 46.73
1997 30.00 35.75 38.61 43.67 52.42 59.93 67.61 65.71 63.03 52.29 41.73 33.03 48.65
1998 34.84 37.00 39.19 45.23 55.42 63.70 67.81 70.26 66.57 53.39 40.47 37.57 a 50.95
1999 32.26 32.67 a 35.26 45.07 54.55 62.23 70.19 68.97 64.00 51.97 45.40 34.97 49.79
2000 28.55 31.68 a 39.87 46.60 55.39 61.76 a 65.03 67.68 c 63.33 52.58 40.50 27.94 48.41
2001 29.19 32.25 d 35.84 43.97 55.10 65.63 65.19 69.39 61.53 51.45 45.47 38.00 c 49.42
2002 33.48 33.04 39.94 47.87 53.48 64.03 69.61 69.42 66.17 55.32 41.73 31.68 50.48
2003 25.48 30.25 36.77 44.00 51.77 62.43 67.61 66.35 65.13 47.81 45.30 33.19 48.01
2004 25.13 30.14 36.61 ----- z 56.97 63.37 69.71 67.13 63.87 51.61 42.47 ----- z 50.70
2005 29.32 31.50 34.23 43.83 48.94 61.07 70.03 69.94 65.60 54.84 42.07 31.16 48.54
2006 36.77 31.86 37.00 46.37 53.61 63.33 67.06 68.29 59.53 49.61 46.97 36.77 49.77
2007 34.55 26.18 36.65 42.40 51.73 a 62.77 65.97 69.32 65.23 60.35 42.50 36.13 49.48
2008 31.94 33.31 39.84 46.50 53.03 64.87 64.94 67.00 65.20 ----- z 41.50 35.61 49.43
2009 27.29 30.68 35.58 ----- z 54.29 64.17 67.29 ----- z 63.17 52.42 47.07 34.94 47.69
2010 28.48 28.61 38.55 46.80 55.68 66.63 ----- z 68.94 65.37 54.39 42.03 28.13 47.60
2011 ----- z 31.39 38.06 48.40 ----- z 65.20 69.74 69.19 65.83 51.61 44.27 38.55 52.23
Period of Record Statistics
MEAN 28.14 29.83 35.65 44.43 53.59 62.74 67.70 67.93 63.14 51.80 41.98 32.88 48.38
S.D. 4.51 3.62 2.83 2.00 1.85 2.22 1.97 1.67 2.01 3.63 3.22 4.09 1.28
SKEW -0.26 -0.90 -0.55 0.11 -0.47 -0.52 0.03 -0.10 -0.27 -0.02 -0.32 -0.75 -0.05
MAX 36.77 37.00 39.94 48.40 56.97 66.63 72.71 72.26 66.57 60.35 48.10 39.26 50.95
MIN 17.90 19.52 27.94 40.70 48.94 56.80 63.07 64.03 59.04 43.97 32.57 19.41 45.99
NO YRS 38 40 39 38 39 40 42 41 42 42 44 41 27