MOUNT LAKE BIOL STN, VIRGINIA

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(445828)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 199711
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
1971 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 41.27 o 47.29 47.29
1972 41.87 a 36.38 45.87 57.77 63.52 66.40 74.16 72.58 68.83 54.17 a 43.87 43.23 55.72
1973 35.61 36.50 50.23 52.10 61.61 74.00 74.61 73.10 69.47 60.13 49.70 37.65 56.23
1974 46.77 39.54 50.77 58.10 64.42 67.03 73.26 72.00 64.40 57.35 48.10 38.55 56.69
1975 40.42 41.04 42.90 53.93 67.33 a 71.73 73.61 75.90 64.97 61.61 51.93 40.06 57.12
1976 33.42 48.07 52.55 61.07 63.35 71.27 72.97 71.94 65.13 51.35 40.40 36.48 55.67
1977 24.26 36.61 51.74 61.07 68.55 67.63 76.84 74.10 68.57 51.52 47.87 36.45 55.43
1978 28.77 29.14 44.48 57.00 63.65 72.60 74.10 75.35 70.13 57.29 52.70 40.87 55.51
1979 31.00 32.21 48.94 55.83 64.42 68.83 71.10 72.97 64.47 55.45 47.85 c 44.23 a 54.78
1980 35.55 32.52 43.90 57.87 66.67 a 70.75 f 77.55 76.61 69.80 54.68 47.10 39.61 54.71
1981 29.65 40.29 41.74 62.10 64.87 74.17 74.23 72.65 67.67 55.74 47.73 32.21 c 55.25
1982 32.00 41.07 49.87 54.63 71.77 70.63 74.45 73.03 65.40 58.55 50.73 44.81 57.25
1983 33.06 38.39 44.84 52.03 63.61 72.70 76.90 77.45 69.53 58.68 48.93 35.10 55.94
1984 32.68 42.66 43.07 a 54.17 64.07 c 75.50 73.03 72.74 65.73 65.19 46.07 47.97 56.91
1985 28.35 37.11 51.10 63.67 69.19 72.07 74.74 72.26 69.33 63.32 56.50 36.35 57.83
1986 36.18 c 40.32 49.97 63.13 67.77 75.70 78.00 72.16 68.50 59.87 48.97 40.35 e 58.41
1987 35.52 38.86 49.58 53.37 72.26 75.10 79.35 79.00 68.20 56.74 52.03 41.94 58.50
1988 32.42 38.31 49.90 a 59.43 67.42 76.67 78.61 77.81 66.30 50.03 51.00 37.83 a 57.14
1989 44.48 39.32 51.32 56.87 61.94 72.23 74.32 72.26 65.87 61.61 45.03 31.06 56.36
1990 43.74 46.00 53.48 62.89 k 65.23 73.33 76.13 74.19 ----- z 62.77 53.37 ----- z 60.92
1991 ----- z ----- z ----- z ----- z 67.42 73.57 77.58 74.23 i 69.40 j 62.45 i 43.79 k 49.78 v 72.86
1992 38.23 i 42.75 i 47.76 j 56.14 i 61.05 l 66.82 h 77.05 j 71.82 i 69.00 j 56.77 i 49.29 m 37.94 m 9999.00
1993 43.81 o 37.89 j 42.42 55.73 68.42 l 73.23 81.42 76.16 70.80 59.48 48.40 37.13 60.53
1994 32.13 37.11 46.94 62.67 63.10 77.31 a 75.65 73.23 66.83 57.74 54.30 43.21 b 57.52
1995 35.48 34.71 52.10 59.07 65.55 71.27 78.19 77.94 67.83 62.97 43.43 41.94 o 58.96
1996 41.29 q ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1997 29.74 40.82 50.45 52.00 60.48 68.86 a 77.81 73.48 67.73 59.58 41.53 ----- z 56.59
Period of Record Statistics
MEAN 34.69 38.50 48.18 57.44 65.57 72.25 75.78 74.30 67.52 58.08 48.59 39.64 56.57
S.D. 5.72 4.28 3.69 3.75 3.05 3.00 2.46 2.22 1.98 4.03 4.04 4.49 1.09
SKEW 0.53 0.04 -0.43 0.12 0.56 -0.34 0.31 0.75 -0.10 -0.29 -0.17 0.06 0.29
MAX 46.77 48.07 53.48 63.67 72.26 77.31 81.42 79.00 70.80 65.19 56.50 47.97 58.50
MIN 24.26 29.14 41.74 52.00 60.48 66.40 71.10 71.94 64.40 50.03 40.40 31.06 54.78
NO YRS 22 22 23 22 23 23 24 23 22 23 23 21 18