ASSATEAGUE IS NATL SEAS, MARYLAND

Monthly Average 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 63.42 51.50 36.95 50.62
1969 34.92 36.62 40.07 a 53.20 62.31 71.53 76.52 f 75.69 70.22 60.52 48.28 38.37 53.79
1970 29.89 37.36 41.35 52.40 63.58 70.65 72.53 77.32 72.78 63.24 50.57 40.53 56.02
1971 32.53 37.75 42.31 50.57 61.19 70.60 74.71 74.90 72.23 64.29 49.57 46.34 56.42
1972 40.55 37.45 44.68 51.35 58.63 66.25 74.05 73.77 70.82 56.44 47.60 45.53 55.59
1973 37.42 35.86 ----- z 53.72 61.44 72.22 74.37 75.82 72.70 61.65 49.58 39.75 k 59.48
1974 ----- z 37.64 45.77 53.20 61.18 69.38 a 75.60 74.95 69.53 56.98 a 49.47 42.92 57.87
1975 41.03 41.18 43.05 48.67 a 62.19 71.47 74.15 77.85 69.22 63.11 55.42 41.96 d 57.44
1976 34.48 44.33 47.44 53.15 f 60.89 c 70.07 73.18 c 73.44 68.78 55.75 a 43.38 a 36.82 c 55.32
1977 26.29 36.37 a 47.44 56.58 63.94 69.90 76.98 75.89 71.85 57.27 50.62 38.09 b 55.93
1978 32.98 27.98 40.44 51.55 b 57.24 69.45 73.65 79.19 70.47 58.95 52.55 42.03 54.71
1979 36.16 27.93 a 44.48 52.92 61.95 67.22 74.52 75.97 70.83 58.35 53.37 43.41 b 55.59
1980 37.13 33.00 41.26 54.00 64.66 70.60 75.45 76.42 72.38 58.56 45.96 b 37.69 b 55.59
1981 29.97 38.36 42.16 55.72 60.60 74.75 78.10 74.60 70.28 58.05 50.78 38.74 b 56.01
1982 30.00 ----- z ----- z ----- z ----- z ----- z 75.68 73.73 69.40 61.24 52.83 45.87 e 58.39
1983 37.97 38.05 45.66 51.17 59.90 70.25 78.63 76.23 71.20 61.00 51.63 40.90 56.88
1984 32.27 41.98 41.34 52.82 62.32 72.60 73.16 78.06 69.88 65.77 49.68 48.48 57.37
1985 32.18 39.18 47.92 ----- z ----- z ----- z 75.53 76.00 71.10 64.89 58.25 38.32 55.93
1986 35.47 37.07 44.63 52.36 a 62.82 70.92 77.98 74.45 68.93 61.85 49.47 40.34 56.36
1987 ----- z 33.86 43.10 50.83 61.52 73.08 78.79 76.97 71.67 55.27 51.52 43.27 t 59.66
1988 35.74 40.68 a ----- z 53.70 c 61.60 70.40 73.15 a ----- z ----- z 54.08 49.52 b 38.95 53.09
1989 40.90 ----- z 40.44 51.28 a 64.19 75.47 76.95 74.98 71.13 60.29 50.71 b 28.90 b 57.75
1990 41.55 43.82 46.23 51.73 61.13 68.95 74.69 ----- z 67.70 b 60.27 50.05 43.42 55.41
1991 37.27 39.77 46.32 54.53 65.74 71.45 75.81 76.43 b 68.67 62.84 48.02 42.05 57.41
1992 ----- z ----- z ----- z ----- z ----- z 65.45 74.71 72.77 69.30 55.02 48.33 39.84 60.77
1993 ----- z 35.65 b 41.09 d 50.25 62.24 71.53 79.40 76.00 71.25 59.79 50.98 39.60 57.98
1994 32.31 b 37.32 44.05 55.37 59.52 71.45 74.95 71.60 69.33 59.22 a 54.32 45.73 a 56.26
1995 40.87 36.14 45.87 54.37 63.24 71.22 78.79 76.74 71.27 65.00 z 45.88 36.90 56.48
1996 35.26 36.81 40.76 51.90 60.68 a ----- z 75.32 74.73 71.82 61.00 44.73 43.71 54.25
1997 37.42 42.55 47.00 52.15 60.60 68.23 75.94 74.74 71.20 60.66 49.07 41.06 56.72
1998 42.39 43.54 45.90 54.22 a 63.18 71.98 76.56 77.39 74.25 62.00 49.83 46.20 a 58.95
1999 41.44 40.43 a 43.34 54.17 62.77 70.05 78.94 77.23 71.33 60.87 53.88 43.31 58.15
2000 36.03 41.00 a 48.39 53.60 63.95 70.28 a 73.35 75.36 c 70.68 61.61 48.25 36.08 56.55
2001 37.29 40.60 d 43.42 52.88 62.98 74.05 74.15 76.94 69.85 60.90 54.20 46.61 c 57.82
2002 41.98 42.80 47.74 57.32 63.42 72.97 78.42 77.73 74.18 63.66 50.27 39.84 59.19
2003 32.60 37.34 45.05 51.50 58.44 70.88 76.06 74.94 72.83 58.85 54.17 40.82 56.12
2004 33.37 37.98 45.52 ----- z 65.71 72.05 77.94 75.56 72.33 60.19 51.73 ----- z 59.24
2005 37.31 38.66 41.39 52.08 57.74 69.95 78.61 78.79 74.85 62.44 52.00 39.68 56.96
2006 44.13 39.86 45.32 54.98 61.89 71.27 75.94 77.92 68.37 58.95 53.90 45.90 58.20
2007 42.52 34.25 45.06 51.78 61.15 a 71.55 75.06 78.10 73.95 68.76 51.05 43.76 58.08
2008 40.26 42.05 48.94 54.75 62.74 75.13 75.71 76.48 73.12 ----- z 49.15 44.15 58.41
2009 34.68 39.71 44.15 ----- z 63.06 72.03 75.94 ----- z 70.80 61.24 54.15 41.82 55.76
2010 35.60 35.88 47.00 56.90 65.97 76.05 ----- z 78.16 73.82 62.81 51.15 34.95 56.21
2011 ----- z 41.27 46.53 56.33 ----- z 74.78 79.16 78.02 72.88 61.37 53.68 48.25 a 61.23
Period of Record Statistics
MEAN 36.37 38.25 44.43 53.16 62.01 71.20 75.92 76.05 71.17 60.56 50.71 41.34 56.85
S.D. 4.22 3.67 2.52 2.00 2.05 2.30 1.95 1.70 1.75 3.01 2.90 4.00 1.14
SKEW -0.16 -0.85 -0.14 0.19 -0.25 -0.12 0.26 -0.37 0.18 0.04 -0.09 -0.50 0.41
MAX 44.13 44.33 48.94 57.32 65.97 76.05 79.40 79.19 74.85 68.76 58.25 48.48 59.19
MIN 26.29 27.93 40.07 48.67 57.24 65.45 72.53 71.60 67.70 54.08 43.38 28.90 54.71
NO YRS 38 40 39 37 39 40 41 40 42 42 44 41 24