ROCKY KNOB, VIRGINIA

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(447330)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 197511
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
1940 ----- z ----- z ----- z ----- z ----- z ----- z 78.90 74.68 72.37 67.61 53.10 49.52 b 66.03
1941 42.26 d 40.43 50.35 70.30 81.13 a 76.60 79.39 81.13 80.47 71.10 59.07 50.32 c 65.21
1942 40.81 e 38.64 f 52.77 67.43 71.18 c 76.45 a 79.87 a 75.14 b 72.41 a 62.73 a 55.31 a 40.97 63.19
1943 45.35 44.75 h 52.63 a 58.73 71.26 h 81.17 77.23 a 80.13 71.23 62.97 a 55.20 46.33 a 63.10
1944 45.30 a 50.31 56.81 61.40 75.00 a 78.27 78.70 a 77.77 a 72.97 65.00 a 53.13 43.20 a 63.15
1945 43.33 a 47.64 64.87 a 69.27 67.73 a 76.93 78.97 a 78.30 a 79.27 69.73 a 59.93 49.90 a 65.49
1946 50.19 51.86 66.68 67.07 68.52 77.20 78.48 73.81 72.37 67.39 61.73 49.19 65.37
1947 49.16 36.57 43.68 65.53 70.35 76.43 76.55 80.32 72.03 65.19 47.87 45.90 b 60.80
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 77.35 70.67 62.00 p 54.40 48.90 k 67.47
1949 50.48 49.25 52.16 60.07 69.03 b 75.48 a 78.16 75.71 68.53 64.29 52.23 48.46 c 61.99
1950 54.26 47.43 50.23 60.33 69.90 74.20 74.26 73.06 65.73 62.45 49.50 39.06 60.04
1951 46.43 h 46.93 49.87 59.53 68.81 76.59 c 78.61 77.77 72.41 c 64.77 47.33 47.29 62.72
1952 47.68 46.21 51.13 60.73 69.26 82.33 c 81.13 75.50 e 71.00 61.32 53.52 a 43.47 a 61.94
1953 46.74 47.39 53.19 59.85 j 74.39 c 76.93 b 78.68 77.06 72.80 j 65.94 51.73 44.90 61.70
1954 45.65 48.21 51.26 67.50 64.81 76.80 ----- z 77.68 76.81 d ----- z 47.11 b 40.42 59.62
1955 37.35 44.68 ----- z 63.87 71.10 70.17 78.52 78.58 70.57 62.48 50.87 40.13 60.76
1956 36.94 46.93 52.58 58.63 70.10 75.53 77.32 78.52 68.87 60.00 48.53 53.47 a 60.62
1957 41.52 48.68 46.35 57.00 j 70.13 a 74.87 77.65 75.42 70.17 54.90 ----- z 44.97 60.47
1958 34.32 34.61 j ----- z 60.97 68.55 74.45 a 79.13 77.52 71.77 60.29 55.33 41.00 c 62.33
1959 39.23 a 45.89 52.32 62.83 72.75 c 75.19 d 78.45 b 80.00 d 70.95 h 60.18 c 51.10 45.04 c 60.27
1960 40.15 e 40.39 f 38.43 h 64.27 65.39 73.69 a 77.84 77.90 70.43 63.16 54.07 38.29 62.52
1961 39.30 d 45.12 d 56.10 55.10 a 66.77 73.76 e 77.67 j 75.90 72.48 e 61.43 c 53.44 c 43.90 58.48
1962 ----- z 49.32 c 47.43 c 57.27 74.96 d 72.54 f 77.55 k 74.83 b 68.00 g 63.16 f 49.83 g 39.38 e 57.20
1963 38.84 36.39 54.87 64.27 70.96 h 75.13 o 77.28 f 76.12 e 68.55 h 66.48 h 53.13 33.74 d 51.05
1964 41.63 a 36.15 b ----- z 60.53 67.61 h ----- z 76.00 73.73 a 70.86 a ----- z 55.27 44.36 c 57.32
1965 42.10 a 42.29 48.97 a 62.47 74.39 74.00 a 77.10 77.43 a 72.97 a 62.00 b 53.80 48.03 a 61.29
1966 35.32 38.64 54.16 57.57 69.97 76.32 b 81.27 a 75.06 69.88 f 61.17 b 54.73 41.73 a 58.72
1967 46.55 b 41.48 a 59.90 66.87 66.74 74.63 74.97 a 75.20 a 69.10 a 61.41 b 50.97 a 48.48 61.36
1968 40.48 35.86 56.65 62.37 67.06 75.45 a 77.84 78.84 72.28 e 61.26 52.21 a 41.10 60.12
1969 40.00 c 38.29 46.29 64.53 71.97 78.13 76.71 69.55 68.67 63.32 48.50 36.23 58.52
1970 39.23 42.80 h ----- z ----- z 73.94 75.83 a 78.84 77.03 77.44 c ----- z ----- z 43.12 o 70.38
1971 42.06 ----- z ----- z 64.32 b 69.00 e 77.11 b 75.73 a 74.52 73.87 66.69 r ----- z 51.52 66.02
1972 45.71 36.15 p 50.19 ----- z 66.31 o 69.76 a 76.81 76.58 ----- z ----- z ----- z ----- z 63.81
1973 ----- z 43.82 54.16 57.53 67.19 77.30 79.55 78.00 74.63 64.90 56.93 44.26 63.48
1974 53.55 43.93 ----- z ----- z 69.58 e ----- z ----- z ----- z ----- z ----- z ----- z ----- z 55.68
1975 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 77.39 m ----- z 67.00 f 56.61 b ----- z 56.61
Period of Record Statistics
MEAN 43.18 44.22 52.91 62.55 70.33 75.92 78.02 76.65 72.23 63.35 53.22 44.34 61.99
S.D. 5.10 4.83 5.23 3.90 3.47 2.55 1.62 2.36 3.23 3.35 3.61 4.68 2.22
SKEW 0.44 -0.45 0.90 0.15 1.02 -0.06 -0.25 -0.58 0.78 0.17 0.27 -0.16 0.46
MAX 54.26 51.86 66.68 70.30 81.13 82.33 81.27 81.13 80.47 71.10 61.73 53.47 65.49
MIN 34.32 35.86 43.68 55.10 64.81 69.76 74.26 69.55 65.73 54.90 47.11 33.74 58.52
NO YRS 30 26 26 28 29 29 29 34 28 26 30 31 13