HARPER 1 S, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(353666)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197507
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
1919 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 24.24 n 22.73 7.48 15.11
1920 15.06 21.83 28.48 30.64 e 37.89 c 45.00 52.35 48.42 39.93 30.81 24.77 23.58 33.23
1921 20.32 21.50 30.23 32.17 42.26 50.20 49.03 46.84 33.23 27.16 24.00 17.52 32.87
1922 -2.00 17.32 23.90 30.37 35.87 46.27 50.78 d 50.77 37.23 28.65 18.33 16.77 29.52
1923 22.06 12.61 22.16 31.17 40.52 46.47 50.23 47.97 41.90 32.61 20.33 15.56 m 33.46
1924 ----- z ----- z ----- z 30.97 39.13 33.50 z 50.40 z ----- z ----- z ----- z 25.72 l 6.68 25.59
1925 14.48 29.92 o 25.48 d 34.19 i 41.13 44.27 o 53.39 45.97 a 42.20 o 31.75 o 23.19 d 25.72 b 32.77
1926 15.68 28.50 25.28 f 35.47 38.77 45.43 52.10 51.31 e 33.10 29.81 28.47 16.29 34.08
1927 15.81 28.36 25.68 29.63 38.55 47.60 48.71 c 47.42 39.43 28.84 31.90 t 8.86 i 35.00
1928 17.92 g 19.67 k 30.68 30.61 b 41.13 46.54 b 52.45 44.94 36.03 a 29.65 22.50 3.30 a 33.78
1929 4.10 5.89 26.58 30.50 36.03 45.57 50.00 50.84 36.47 26.03 10.30 19.48 28.48
1930 -1.16 27.00 27.68 34.27 39.32 42.43 52.16 50.42 36.52 g 26.77 15.03 10.16 29.46
1931 14.16 21.82 28.00 30.93 41.10 47.63 53.26 48.06 39.57 29.48 17.93 12.19 32.01
1932 9.29 10.83 30.19 32.70 40.42 48.77 52.03 46.45 36.50 31.23 25.60 8.55 31.05
1933 13.32 1.64 25.74 30.03 36.87 50.93 53.06 46.23 39.60 30.06 20.23 27.32 31.25
1934 24.77 25.21 28.45 36.30 43.29 46.97 53.70 a 55.52 40.67 36.23 30.50 22.97 37.05
1935 17.87 22.11 23.84 33.40 39.77 47.80 52.77 48.19 39.20 29.71 18.17 14.81 32.30
1936 17.81 14.83 26.19 35.30 44.00 50.40 54.58 51.61 37.67 29.29 11.40 14.32 32.28
1937 -6.26 13.29 28.35 31.40 41.55 46.90 56.77 49.45 41.37 33.84 28.70 25.61 32.58
1938 23.26 27.68 28.90 34.30 40.68 48.03 55.48 48.19 45.03 34.45 18.07 19.19 35.27
1939 19.19 20.39 27.90 32.10 42.87 43.87 53.58 48.65 39.50 32.68 15.10 23.52 33.28
1940 21.90 27.66 30.87 35.90 40.61 50.90 55.23 50.71 48.13 37.61 24.77 20.29 37.05
1941 22.19 28.68 28.26 34.20 44.26 49.23 56.52 53.77 39.70 33.52 25.07 25.52 36.74
1942 12.90 20.93 23.65 32.77 41.10 45.27 54.29 51.26 42.40 33.32 27.43 26.16 34.29
1943 18.39 22.86 26.32 37.57 37.94 45.20 51.45 50.39 42.40 36.68 24.73 21.74 34.64
1944 7.06 25.34 24.90 34.67 41.26 46.87 53.23 48.87 ----- z ----- z ----- z ----- z 35.28
1945 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1946 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1947 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1950 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1951 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1952 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1953 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1954 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 47.69 b 38.33 28.03 b 25.52 a 14.73 a 30.86
1955 15.52 b 16.59 a 23.17 a 31.38 d 37.37 a 47.57 50.94 46.77 a 38.90 29.71 c 20.76 a 22.23 31.74
1956 16.55 b 12.79 26.86 b 32.10 a 44.33 a 46.03 52.41 b 48.16 37.54 b 33.97 b 21.59 a 21.33 a 32.81
1957 5.71 c 21.15 a 31.55 34.17 44.67 a 47.87 49.74 47.74 39.90 a 34.65 21.40 26.00 33.71
1958 22.97 30.64 23.87 32.73 43.42 49.83 51.65 52.55 38.13 28.87 22.13 24.71 35.13
1959 23.32 25.04 22.21 b 31.31 a 34.29 48.14 b 49.21 b 48.58 40.59 c 32.00 b 17.10 10.83 a 31.89
1960 10.59 b 23.00 a 30.39 c ----- z 36.25 c 45.38 f 54.75 c ----- z 35.60 t 29.69 b 23.52 c 16.80 a 28.12
1961 8.74 27.62 b 28.74 32.11 b 33.50 c 52.29 m 51.05 k 53.33 a 36.50 30.93 b 22.10 21.39 29.50
1962 8.90 22.29 25.68 33.23 42.23 47.53 50.20 a 49.42 41.13 34.00 27.30 26.32 34.02
1963 12.81 28.96 26.16 31.00 42.77 a 49.17 a 50.30 a 51.13 46.53 39.36 c 28.67 f 19.00 36.11
1964 16.06 13.59 27.10 30.33 37.58 47.80 52.16 47.65 38.00 30.30 a 26.52 i 24.00 33.14
1965 23.65 24.04 20.74 35.87 38.71 47.50 51.06 50.55 38.07 31.40 f 28.46 b 17.90 34.23
1966 23.48 21.93 25.00 30.69 a 41.03 45.57 51.58 49.42 46.17 28.77 29.63 25.90 34.93
1967 25.84 24.71 26.26 29.55 a 38.29 48.33 55.29 52.19 44.87 30.65 26.20 12.83 g 36.56
1968 19.23 27.97 28.00 28.20 38.81 48.50 52.16 50.61 41.73 29.23 a 30.33 23.26 34.84
1969 18.68 19.96 25.42 33.17 42.90 48.70 51.87 48.87 42.90 29.97 21.90 23.52 33.99
1970 25.16 25.18 26.94 ----- z ----- z ----- z ----- z 46.87 34.97 27.19 26.83 19.30 a 29.05
1971 22.19 20.86 21.90 28.77 40.13 44.39 b 51.61 53.74 35.24 a 28.77 22.93 18.16 l 33.69
1972 ----- z ----- z ----- z 28.97 40.35 49.10 50.19 52.03 38.20 32.97 28.13 11.35 36.81
1973 18.87 25.71 29.58 32.27 40.37 a 46.58 f 52.14 c 50.29 g 39.95 i 30.10 27.40 25.35 31.31
1974 15.32 23.39 27.58 31.19 c 38.83 b 49.11 c 52.58 e 48.17 b 38.07 a 29.92 f 24.39 b 20.00 f 34.86
1975 13.89 c 24.04 d 27.14 c 28.74 g 39.73 i 46.46 d 58.68 i ----- z ----- z ----- z ----- z ----- z 27.88
Period of Record Statistics
MEAN 15.53 21.56 26.67 32.25 40.05 47.40 52.31 49.48 39.62 31.16 22.98 19.10 33.34
S.D. 7.54 6.45 2.62 2.22 2.68 1.93 1.97 2.37 3.43 3.04 4.85 6.31 2.12
SKEW -1.00 -1.14 -0.24 0.43 -0.35 -0.27 0.34 0.43 0.47 0.73 -0.67 -0.73 -0.17
MAX 25.84 30.64 31.55 37.57 44.67 50.93 56.77 55.52 48.13 39.36 30.50 27.32 37.05
MIN -6.26 1.64 20.74 28.20 33.50 42.43 48.71 44.94 33.10 26.03 10.30 3.30 28.48
NO YRS 43 42 43 42 44 40 42 43 40 41 42 41 26