ROUND GROVE, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(357354)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199812
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
1920 ----- z ----- z 22.13 a 23.13 ----- z 36.10 40.03 42.39 36.87 29.35 25.80 19.87 30.63
1921 15.39 19.18 27.45 26.13 31.65 39.97 40.74 41.68 32.40 29.97 23.23 20.35 29.01
1922 7.71 14.32 18.58 20.93 29.83 a 38.97 43.77 41.58 35.17 30.10 22.10 18.87 26.83
1923 17.03 12.71 20.87 27.43 32.39 35.70 41.61 40.97 37.80 28.10 22.37 15.68 27.72
1924 13.19 26.69 19.13 24.13 31.35 33.73 38.32 40.19 32.27 d 27.30 d 24.80 10.87 26.83
1925 22.71 26.18 23.00 28.87 34.10 ----- z 43.96 f 36.17 s 33.73 25.39 21.75 n 20.71 26.84
1926 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 30.78 l 17.19 17.19
1927 21.48 20.25 22.77 23.50 29.00 34.13 38.87 37.58 28.17 22.71 26.33 12.39 26.43
1928 19.16 19.07 26.23 23.83 30.03 32.07 39.65 34.52 28.87 24.71 20.67 12.90 25.97
1929 8.74 9.04 22.74 22.87 25.77 30.47 ----- z ----- z ----- z ----- z ----- z 19.67 y 19.94
1930 10.36 f 26.61 24.06 29.60 31.16 34.17 41.87 40.71 35.57 25.97 19.40 15.81 29.54
1931 20.16 23.04 26.06 26.33 34.71 38.47 45.16 42.39 34.63 29.45 18.67 19.45 29.88
1932 12.84 13.59 27.13 26.97 32.94 38.13 ----- z ----- z ----- z ----- z ----- z ----- z 25.26
1933 11.35 8.21 23.32 25.73 28.87 37.23 42.81 41.97 33.53 30.55 23.27 25.97 27.73
1934 25.71 26.64 29.81 30.77 36.00 36.70 41.16 42.74 35.30 30.48 27.63 19.26 31.85
1935 17.13 21.86 19.19 28.33 29.94 35.70 41.03 40.48 35.80 26.74 19.50 19.55 27.94
1936 20.19 21.55 22.74 29.07 ----- z ----- z ----- z 42.81 33.47 27.97 17.90 17.29 25.89
1937 -0.48 17.61 25.32 26.53 31.90 39.53 43.03 39.19 35.20 32.45 27.90 24.06 28.52
1938 20.48 20.00 20.68 28.63 31.35 38.60 44.06 38.32 36.57 31.71 20.73 21.06 29.35
1939 16.61 12.36 23.35 27.90 31.81 34.80 43.65 41.61 35.30 29.71 22.70 24.00 28.65
1940 17.03 17.66 18.87 21.23 25.84 31.27 34.00 38.65 34.57 30.23 21.03 19.81 25.85
1941 19.65 24.04 21.84 23.57 31.58 34.13 40.45 40.42 31.03 28.68 28.57 23.48 28.95
1942 16.47 a 17.18 21.84 28.33 31.68 35.57 42.55 41.45 34.30 29.87 25.90 23.52 29.05
1943 16.45 19.07 21.55 28.87 27.13 31.03 38.26 34.48 33.17 26.52 21.07 15.23 26.07
1944 9.90 13.93 15.65 20.87 24.65 31.23 35.19 31.19 27.90 25.81 13.27 11.13 21.73
1945 20.42 22.71 22.26 26.30 33.52 36.23 41.94 40.06 31.77 32.00 25.17 20.42 29.40
1946 14.97 19.44 j 24.35 28.40 30.87 37.10 40.61 39.36 t ----- z ----- z ----- z ----- z 29.38
1947 ----- z ----- z ----- z ----- z 35.24 b 36.53 40.84 38.61 34.10 33.94 24.40 21.13 33.10
1948 18.94 14.59 21.03 26.60 32.23 39.97 40.00 40.03 35.53 28.90 22.70 12.97 27.79
1949 -1.48 16.96 25.77 28.10 35.77 34.20 40.60 a 38.77 a 39.33 z 22.79 q 27.67 13.45 25.98
1950 10.61 20.39 22.55 25.57 28.39 35.62 d ----- z 44.71 33.93 32.19 28.57 28.45 28.27
1951 17.58 22.21 17.55 b 26.30 32.00 36.77 40.03 38.26 32.93 27.61 24.83 a 12.06 27.35
1952 16.90 16.48 17.16 29.00 32.42 36.73 44.23 39.71 36.90 29.52 14.57 18.97 27.72
1953 26.90 20.43 23.10 24.27 30.35 33.63 40.81 39.77 36.90 28.06 30.77 21.87 29.74
1954 20.58 22.36 21.10 28.27 32.29 35.27 39.45 37.29 30.10 25.26 26.70 18.32 28.08
1955 11.10 13.54 20.58 23.97 29.13 36.13 38.45 40.81 34.03 a 30.13 22.21 a 22.06 26.84
1956 22.45 16.10 20.94 28.13 35.39 36.47 43.19 37.81 34.23 29.65 21.50 19.06 28.74
1957 10.23 22.46 27.45 27.73 34.35 37.60 40.23 36.39 36.77 30.65 20.53 22.54 e 28.91
1958 21.45 30.32 21.32 26.80 34.58 39.27 43.74 44.10 34.07 30.29 26.00 25.68 31.47
1959 24.32 19.86 22.32 25.93 27.52 37.30 43.06 39.27 a 35.00 28.71 18.83 14.81 28.08
1960 18.52 19.52 27.00 26.60 31.42 35.60 e 43.90 37.35 33.47 29.45 25.03 a 19.87 28.98
1961 21.16 25.50 24.74 25.10 30.06 40.37 41.42 44.81 31.10 29.13 21.77 d 18.93 a 29.51
1962 10.84 21.18 23.26 28.23 29.87 33.90 37.59 b 38.74 37.03 31.03 27.80 24.06 28.63
1963 12.23 29.57 23.26 25.57 35.52 36.37 38.58 38.32 42.07 32.68 27.63 21.06 30.24
1964 17.87 a 12.21 18.03 23.00 28.10 37.83 44.29 38.68 30.67 29.68 22.10 24.26 27.23
1965 22.32 22.00 20.77 30.43 28.19 37.40 40.55 41.81 31.07 30.48 26.93 17.13 29.09
1966 17.90 17.79 21.73 a 24.83 30.90 35.70 38.58 e 40.94 37.60 27.16 26.47 22.03 28.47
1967 21.58 22.32 22.29 22.43 31.39 37.50 44.03 43.71 37.97 29.55 24.33 10.77 28.99
1968 16.03 26.45 24.19 21.83 31.35 36.17 44.39 41.74 34.03 30.35 26.90 18.10 29.30
1969 17.32 19.32 19.06 27.33 36.16 42.23 41.90 38.00 38.13 27.77 23.53 22.23 29.42
1970 23.94 24.00 23.13 21.33 30.65 41.13 44.03 39.19 29.10 26.39 28.83 17.29 29.08
1971 17.03 20.54 18.32 25.17 31.97 36.40 43.23 44.35 29.64 b 25.00 25.00 15.61 27.69
1972 15.58 24.38 27.35 25.28 a 31.52 38.20 43.42 42.68 32.30 27.84 25.47 13.87 28.99
1973 18.10 25.71 23.06 24.37 34.84 37.97 42.55 41.55 35.83 30.06 28.33 26.40 a 30.73
1974 16.97 18.79 25.13 26.93 a 29.74 39.03 41.16 40.81 33.77 26.37 a 25.70 19.10 28.62
1975 16.29 20.39 22.03 22.10 29.55 b 35.15 d 44.97 39.55 35.75 b 31.52 17.00 f 22.28 b 29.05
1976 19.45 20.69 19.23 a 24.13 31.13 33.50 44.13 41.58 39.17 27.32 23.69 a 14.84 28.24
1977 11.45 22.04 20.90 a 26.20 28.90 42.34 a 42.13 44.97 a 37.03 29.84 25.50 22.32 29.47
1978 25.13 25.29 30.19 30.10 29.48 39.20 41.80 a 43.33 a 33.83 25.68 17.80 11.10 29.41
1979 13.00 24.25 25.94 27.17 33.52 35.67 43.03 41.90 a 37.67 35.16 21.67 23.06 30.17
1980 20.32 29.34 23.13 29.70 32.84 35.63 44.29 37.97 36.23 31.13 25.97 23.52 30.84
1981 24.26 20.29 25.84 28.47 32.13 37.83 39.84 42.65 35.63 29.71 28.13 26.29 30.92
1982 13.68 18.67 a 24.19 22.13 29.19 40.67 41.45 42.81 34.30 29.47 a 20.87 18.61 28.00
1983 25.03 27.43 30.16 26.63 34.35 37.43 37.38 b 44.97 33.18 b 31.97 28.37 21.30 a 31.52
1984 19.10 22.83 27.45 27.37 34.58 36.23 46.45 42.97 b 31.77 30.06 27.40 18.16 30.36
1985 15.06 16.54 19.87 a 28.97 32.58 38.90 45.07 q ----- z 31.82 b 26.61 16.53 17.97 24.48
1986 28.71 27.75 28.77 26.33 33.29 41.90 a ----- z ----- z 32.93 a 28.83 a 24.73 21.94 29.52
1987 13.87 22.21 26.43 a 29.72 a 35.32 39.17 g ----- z ----- z ----- z ----- z ----- z ----- z 25.51
1988 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1989 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1990 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1991 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1992 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1993 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1994 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1995 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1996 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1997 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 19.53 n 9999.00
1998 27.70 k ----- z ----- z ----- z ----- z ----- z 46.10 ----- z 37.47 ----- z 8.20 -5.50 w 30.59
Period of Record Statistics
MEAN 17.13 20.57 22.99 26.16 31.48 36.67 41.58 40.44 34.26 29.05 23.58 19.26 28.61
S.D. 5.70 4.90 3.26 2.57 2.62 2.66 2.53 2.72 2.79 2.37 4.20 4.28 1.70
SKEW -0.82 -0.30 0.21 -0.35 -0.27 -0.11 -0.57 -0.71 -0.12 -0.15 -1.11 -0.25 -1.11
MAX 28.71 30.32 30.19 30.77 36.16 42.34 46.45 44.97 42.07 35.16 30.77 28.45 31.85
MIN -1.48 8.21 15.65 20.87 24.65 30.47 34.00 31.19 27.90 22.71 8.20 10.77 21.73
NO YRS 64 64 66 66 65 64 60 60 63 62 62 64 53