ASSATEAGUE IS NATL SEAS, MARYLAND

Monthly Average Maximum 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 70.13 58.40 45.29 57.94
1969 42.90 42.18 47.84 61.30 69.58 77.83 82.32 f 82.77 77.27 68.58 55.10 44.87 60.93
1970 37.45 45.89 48.19 60.57 72.23 78.17 79.87 84.55 81.27 71.45 58.90 48.45 63.92
1971 39.94 46.93 51.13 60.30 68.13 77.50 82.32 82.10 77.93 70.45 58.03 54.65 64.12
1972 48.13 45.34 51.26 60.43 65.19 73.43 81.61 81.45 78.43 65.00 55.57 54.03 63.32
1973 46.03 43.32 ----- z 62.60 69.97 80.63 81.74 82.74 80.47 70.61 59.23 51.55 66.26
1974 53.48 d 48.93 59.23 64.53 71.48 76.97 84.74 81.81 77.53 67.60 a 58.70 51.32 66.36
1975 49.52 49.46 53.13 56.86 a 69.52 78.60 81.06 86.00 75.97 70.48 64.40 49.86 b 65.41
1976 43.52 55.07 56.55 66.31 d 69.55 77.37 81.17 a 81.10 78.10 64.61 53.66 a 45.90 64.41
1977 34.68 45.78 a 56.45 66.70 73.90 78.77 85.35 84.29 80.17 66.06 57.30 47.14 b 64.72
1978 42.03 36.18 49.52 62.00 65.19 78.97 80.77 86.13 78.77 68.48 60.53 51.52 63.34
1979 45.13 36.33 a 52.65 60.90 68.74 75.80 82.23 83.58 77.67 67.84 61.60 52.31 b 63.73
1980 44.26 41.03 48.65 61.30 73.35 80.37 84.19 85.23 79.97 67.55 55.70 47.21 b 64.07
1981 38.58 46.82 50.45 65.43 68.84 83.80 86.19 83.42 79.23 67.26 59.30 46.52 b 64.65
1982 40.39 ----- z ----- z ----- z ----- z ----- z 82.97 81.26 78.03 70.81 62.67 54.19 e 67.19
1983 46.90 48.04 57.00 59.70 68.13 79.03 87.87 84.48 80.10 68.39 61.77 49.74 65.93
1984 42.48 53.21 52.87 62.10 71.35 82.87 81.97 88.00 79.13 73.77 60.20 59.10 67.25
1985 42.55 49.71 60.42 ----- z ----- z ----- z 82.68 83.61 80.17 73.68 68.40 48.61 65.54
1986 45.94 45.25 56.68 61.76 a 73.39 80.50 87.81 83.23 78.43 72.19 59.93 50.74 66.32
1987 45.03 43.71 51.77 57.70 70.06 82.47 87.87 85.55 80.10 65.55 61.77 52.91 t 66.51
1988 42.97 47.52 ----- z 64.22 c 71.35 81.30 82.90 ----- z ----- z 64.19 60.27 49.19 62.66
1989 50.68 47.96 52.94 59.07 a 72.26 85.03 86.65 83.32 79.77 69.45 60.10 a 38.27 a 65.46
1990 51.06 53.89 56.35 60.43 69.06 76.93 80.97 ----- z 76.36 b 70.29 59.17 51.97 64.23
1991 43.84 47.79 54.23 63.60 75.52 80.17 82.48 84.10 a 76.87 71.00 57.23 51.52 65.69
1992 ----- z ----- z ----- z ----- z ----- z 74.10 83.32 81.52 76.33 64.39 56.77 47.77 69.17
1993 ----- z 42.35 b 46.57 c 56.37 69.03 78.00 86.10 82.35 78.00 67.23 57.97 46.23 64.56
1994 39.67 a 44.32 50.13 62.40 65.74 77.77 81.26 78.52 76.17 66.37 a 61.00 52.07 a 62.95
1995 47.39 43.82 54.65 63.27 71.55 78.63 87.32 85.26 79.40 73.00 z 55.20 44.10 64.60
1996 42.16 44.17 48.03 59.43 68.27 a ----- z 83.26 82.81 79.50 68.90 52.47 50.42 61.77
1997 44.84 49.36 55.39 60.63 68.77 76.53 84.26 83.77 79.37 69.03 56.40 49.10 64.79
1998 49.94 50.07 52.61 63.34 a 70.94 80.27 85.32 84.52 81.93 70.61 59.20 55.35 67.01
1999 50.61 48.29 51.42 63.27 71.00 77.87 87.68 85.48 78.67 69.77 62.37 51.65 66.51
2000 43.52 50.48 56.90 60.60 72.52 78.87 81.68 83.29 78.03 70.65 56.00 44.23 64.73
2001 45.39 48.71 51.00 61.80 70.87 82.47 83.10 84.48 78.17 70.35 62.93 55.77 66.25
2002 50.48 52.57 55.55 66.77 73.35 81.90 87.23 86.03 82.20 72.00 58.80 48.00 67.91
2003 39.71 44.43 53.32 59.00 65.10 79.33 84.52 83.52 80.53 69.90 63.03 48.45 64.24
2004 41.61 45.83 54.42 ----- z 74.45 80.73 86.16 84.00 80.80 68.77 61.00 ----- z 67.78
2005 45.29 45.82 48.55 60.33 66.55 78.83 87.19 87.65 84.10 70.03 61.93 48.19 65.37
2006 51.48 47.86 53.65 63.60 70.16 79.20 84.81 87.55 77.20 68.29 60.83 55.03 66.64
2007 50.48 42.32 53.48 61.17 70.90 80.33 84.16 86.87 82.67 77.16 59.60 51.39 66.71
2008 48.58 50.79 58.03 63.00 72.45 85.40 86.48 85.97 81.03 ----- z 56.80 52.68 67.38
2009 42.06 48.75 52.71 ----- z 71.84 79.90 84.58 ----- z 78.43 70.06 61.23 48.71 63.83
2010 42.71 43.14 55.45 67.00 76.26 85.47 ----- z 87.39 82.27 71.23 60.27 41.77 64.81
2011 ----- z 51.14 55.00 64.27 ----- z 84.37 88.58 86.84 79.93 71.13 63.10 57.97 a 70.23
Period of Record Statistics
MEAN 44.84 46.70 53.18 61.95 70.42 79.66 84.21 84.16 79.20 69.32 59.43 49.83 65.25
S.D. 4.33 4.13 3.34 2.62 2.74 2.83 2.43 2.09 1.88 2.66 3.04 4.21 1.33
SKEW -0.01 -0.40 -0.01 0.08 -0.14 0.24 0.14 -0.18 0.44 0.21 0.16 -0.21 0.11
MAX 53.48 55.07 60.42 67.00 76.26 85.47 88.58 88.00 84.10 77.16 68.40 59.10 67.91
MIN 34.68 36.18 46.57 56.37 65.10 73.43 79.87 78.52 75.97 64.19 52.47 38.27 62.95
NO YRS 40 41 39 38 39 40 41 40 42 42 44 42 27