MOUNT LAKE BIOL STN, VIRGINIA

Monthly Average Minimum 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 23.73 o 28.35 28.35
1972 21.32 16.83 26.00 33.27 44.13 47.63 55.10 54.06 50.60 35.60 a 26.37 27.84 36.56
1973 17.94 17.68 34.13 36.23 40.77 55.30 57.23 57.16 51.33 41.13 30.73 22.18 c 38.48
1974 31.77 20.68 32.10 34.14 a 44.53 a 49.60 54.26 55.19 46.97 35.45 27.07 22.71 37.87
1975 22.71 22.46 24.61 31.80 47.80 a 52.40 55.84 56.68 48.10 41.77 33.15 d 22.68 38.33
1976 14.81 26.52 30.58 34.43 41.42 52.37 54.03 51.48 46.97 34.84 20.63 15.55 35.30
1977 2.03 13.07 29.35 38.43 47.39 50.53 57.61 56.97 52.00 36.48 33.67 19.71 36.44
1978 10.03 9.79 25.03 35.23 44.61 53.37 56.06 57.58 53.80 36.10 33.97 23.74 36.61
1979 13.23 13.57 28.87 35.97 44.26 49.97 55.55 55.68 49.30 38.26 32.30 24.26 36.77
1980 21.19 14.79 a 23.03 36.77 43.23 a 48.29 f 57.23 56.06 52.23 36.48 27.10 19.48 35.24
1981 13.35 20.86 23.94 40.07 41.52 56.73 57.03 52.29 44.67 34.00 26.70 13.29 c 35.37
1982 9.87 20.57 28.68 31.33 48.97 51.73 56.65 53.55 47.83 41.48 32.93 28.13 37.64
1983 16.74 21.50 29.65 34.40 41.00 51.50 56.06 58.26 47.77 41.32 30.20 18.29 37.22
1984 18.17 b 24.97 24.17 a 34.50 44.75 c 54.13 56.16 55.23 44.50 47.77 25.53 30.39 38.36
1985 11.32 20.00 30.58 39.40 47.10 a 51.20 55.61 53.39 46.20 42.52 39.03 14.94 37.61
1986 14.25 c 22.75 24.77 36.30 43.71 52.03 58.58 54.52 54.50 42.61 34.63 25.46 e 38.68
1987 20.71 22.75 29.58 36.97 50.71 56.50 59.23 57.90 51.20 34.32 32.70 25.58 39.85
1988 13.32 17.83 28.52 35.33 41.48 49.07 53.42 55.06 45.10 a 27.42 26.23 16.84 34.14
1989 19.90 15.96 26.32 29.00 35.48 50.17 50.42 49.00 44.47 33.77 20.07 5.16 31.64
1990 22.06 17.89 27.10 35.11 k 40.39 49.80 52.45 54.06 ----- z 39.35 27.77 ----- z 36.76
1991 ----- z ----- z ----- z ----- z 44.97 51.57 59.03 54.86 i 50.45 j 36.50 i 26.74 k 32.00 w 51.86
1992 22.41 i 25.90 i 27.43 j 35.24 i 39.84 l 47.90 56.48 j 51.14 j 47.10 j 31.95 i 26.07 p 22.43 q 47.90
1993 25.05 k 15.84 i 24.55 33.27 46.40 k 51.47 58.13 55.45 50.50 34.45 27.13 18.19 39.24
1994 12.19 20.11 24.94 37.30 36.32 53.53 55.45 52.52 43.07 34.10 30.33 24.58 35.37
1995 18.48 14.39 27.06 32.70 42.26 51.40 54.61 55.55 44.50 35.94 20.97 19.41 n 36.17
1996 21.38 r ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1997 12.37 a 23.50 29.26 28.60 33.29 50.76 a 55.55 50.71 44.33 36.45 26.87 ----- z 35.61
Period of Record Statistics
MEAN 16.26 19.02 27.51 34.79 43.05 51.69 55.89 54.71 48.18 37.46 28.96 21.30 36.79
S.D. 6.10 4.23 2.93 2.98 4.20 2.36 2.07 2.38 3.41 4.29 4.79 6.04 1.93
SKEW 0.19 -0.31 0.36 -0.34 -0.49 0.49 -0.61 -0.60 0.26 0.22 -0.10 -0.79 -0.96
MAX 31.77 26.52 34.13 40.07 50.71 56.73 59.23 58.26 54.50 47.77 39.03 30.39 39.85
MIN 2.03 9.79 23.03 28.60 33.29 47.63 50.42 49.00 43.07 27.42 20.07 5.16 31.64
NO YRS 22 22 23 22 23 24 24 23 22 23 23 21 18