HERMISTON 2 S, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(353847)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1906 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1907 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 53.35 48.20 e 39.24 b 30.36 b 29.53 a 40.14
1908 25.25 g 26.32 a 32.72 b 40.21 b 44.03 b 52.17 f 61.23 a 56.93 a 47.88 d 38.16 31.22 c 24.74 40.35
1909 12.45 31.04 30.77 37.77 45.29 53.33 55.90 51.13 47.93 36.03 32.13 21.71 37.96
1910 21.07 b 23.82 36.55 43.21 a 48.61 51.27 55.83 a 52.58 46.57 40.23 34.77 30.84 40.44
1911 24.81 22.57 30.57 a 35.00 40.87 49.47 57.03 54.84 45.30 33.94 28.37 25.90 37.39
1912 22.42 31.48 28.84 40.13 45.26 53.53 55.71 52.90 a 43.67 33.61 30.93 26.81 38.77
1913 21.16 18.29 31.29 37.33 42.87 49.03 55.16 54.77 43.63 39.13 37.13 25.42 37.94
1914 29.94 29.46 33.90 38.23 44.39 51.10 56.29 53.32 44.23 40.32 31.33 16.45 39.08
1915 23.22 d 30.86 33.26 39.33 47.10 52.37 57.74 57.55 45.57 38.84 31.93 27.19 40.41
1916 7.42 24.86 34.10 38.37 41.06 48.20 53.29 50.77 43.57 29.68 25.27 21.48 34.84
1917 21.97 25.89 28.19 37.30 43.32 47.07 53.61 50.58 47.23 33.58 29.40 35.32 37.79
1918 30.06 25.00 29.97 32.40 40.61 51.30 53.42 52.39 47.83 41.84 28.93 28.90 38.56
1919 21.23 29.39 32.94 37.27 43.74 46.47 53.32 51.90 43.70 34.26 28.70 9.87 36.07
1920 23.45 25.24 34.39 36.80 40.71 48.90 55.65 53.35 46.73 38.23 27.10 29.19 38.31
1921 27.65 30.75 33.39 37.07 43.32 54.47 52.68 52.77 42.27 35.26 28.37 22.74 38.39
1922 9.48 22.96 29.23 35.53 41.87 53.50 56.23 54.74 45.90 37.97 30.53 20.19 36.51
1923 30.71 18.68 30.06 38.10 46.06 51.27 57.42 54.55 44.90 37.45 31.87 26.90 39.00
1924 18.74 32.93 29.77 35.47 45.10 51.20 57.06 52.65 45.17 37.90 33.63 15.03 37.89
1925 29.77 33.79 32.06 41.23 47.55 53.70 57.16 52.77 46.70 33.97 28.70 32.39 40.82
1926 30.94 33.07 32.35 40.80 45.29 53.13 57.74 53.77 42.03 38.27 a 32.73 25.94 40.51
1927 20.19 31.18 31.19 31.62 i 43.90 53.53 55.77 55.39 47.77 38.74 37.77 19.26 39.52
1928 23.45 24.62 32.48 36.50 44.16 52.33 58.23 51.42 43.57 37.13 31.47 25.06 38.37
1929 18.80 a 8.14 33.39 36.73 44.00 51.67 53.81 54.52 43.60 35.58 20.43 28.35 35.75
1930 2.74 31.71 33.74 40.13 44.45 48.50 55.94 54.06 46.53 36.23 29.17 27.58 37.57
1931 28.94 26.64 31.84 36.80 45.48 52.13 54.97 53.13 45.93 35.10 26.67 19.19 38.07
1932 22.90 23.46 a 36.00 37.43 43.29 50.87 52.16 51.90 41.27 37.32 32.47 18.03 37.26
1933 24.52 19.00 31.35 34.80 41.81 49.77 54.32 51.97 42.83 37.35 30.37 33.13 37.60
1934 29.23 27.43 31.77 41.50 46.65 51.20 54.35 50.94 42.33 42.10 37.57 32.39 40.62
1935 24.61 29.14 31.00 35.67 42.52 51.93 56.19 51.32 45.50 35.35 25.00 28.68 38.08
1936 30.94 14.10 32.19 42.90 48.55 54.27 57.06 54.84 42.43 34.65 17.53 27.00 38.04
1937 2.71 21.46 35.06 40.03 43.39 50.57 58.48 51.77 47.97 40.10 36.60 32.29 38.37
1938 29.32 29.46 33.19 38.70 44.03 54.23 59.03 53.06 49.83 39.26 28.27 26.97 40.45
1939 28.35 26.68 35.42 38.47 46.65 50.77 57.39 53.97 46.67 39.35 24.70 30.74 39.93
1940 25.48 33.86 35.39 40.60 46.19 52.23 58.87 53.03 51.62 a 42.90 27.77 25.10 41.09
1941 26.65 27.75 30.84 38.83 47.48 52.77 60.84 56.74 48.33 40.29 31.37 30.29 41.01
1942 18.13 28.86 29.84 41.00 46.19 51.43 59.29 57.16 47.07 40.10 34.13 31.45 40.39
1943 18.65 30.50 29.77 42.67 45.26 49.50 57.55 54.84 45.67 39.94 34.10 27.52 39.66
1944 25.03 28.45 29.68 39.97 45.65 51.73 58.26 54.00 47.03 38.71 32.03 28.48 39.92
1945 31.35 31.71 34.23 39.03 46.65 50.57 56.26 55.00 45.43 38.55 32.87 26.19 40.65
1946 26.52 29.36 35.68 38.57 45.48 52.60 58.74 56.97 48.83 38.32 27.77 28.35 40.60
1947 19.06 27.54 35.58 40.93 50.65 54.33 59.32 56.48 50.77 45.45 35.73 29.74 42.13
1948 24.32 24.07 31.68 37.52 a 45.81 56.53 54.74 55.35 46.00 35.45 31.70 22.70 a 38.82
1949 3.60 a 24.30 a 33.57 a 40.69 a 50.19 50.76 a 56.10 56.65 49.40 34.00 34.33 28.32 38.49
1950 7.30 a 20.82 33.16 37.83 47.45 53.50 56.65 56.97 48.17 42.71 35.60 33.03 a 39.43
1951 27.32 26.64 30.55 34.93 45.68 52.37 58.55 55.93 a 47.20 40.03 30.61 b 22.33 a 39.35
1952 18.13 29.50 a 32.42 37.93 47.74 52.53 58.06 56.68 50.03 a 41.13 a 23.83 a 29.97 39.83
1953 36.67 a 31.21 34.84 38.93 44.52 50.37 56.06 57.32 48.87 39.23 a 32.97 31.84 41.90
1954 23.48 32.68 27.10 36.30 44.53 a 50.63 55.60 a 55.03 48.31 a 35.35 35.43 22.97 38.95
1955 26.26 25.82 29.07 b 36.03 43.77 54.14 b 57.00 54.74 48.20 40.74 26.28 a 24.81 38.91
1956 25.19 19.72 33.10 39.30 50.19 51.14 a 59.94 56.39 48.17 39.87 29.70 29.71 40.20
1957 7.74 26.29 35.00 a 41.07 50.81 55.30 56.62 b 54.20 a 49.03 40.52 28.53 31.26 39.70
1958 29.77 36.14 30.61 39.63 50.65 57.27 61.42 60.23 49.33 37.58 33.07 29.81 42.96
1959 26.87 30.18 34.26 40.10 43.13 53.90 57.52 54.61 49.57 39.94 23.63 24.55 39.85
1960 16.35 28.38 32.65 39.83 45.42 52.73 60.71 54.61 46.23 38.90 31.03 24.71 39.30
1961 28.39 35.21 35.52 39.00 45.48 55.40 58.48 58.87 43.70 35.39 21.53 26.42 40.28
1962 21.03 28.17 d 31.06 41.17 44.71 50.30 57.39 54.97 47.37 39.19 33.57 29.68 39.88
1963 16.48 30.54 33.19 39.40 45.58 54.07 55.32 56.23 52.03 40.35 34.47 26.06 40.31
1964 28.68 26.10 31.84 36.67 42.58 52.13 56.26 51.87 44.47 35.29 32.53 23.58 38.50
1965 29.71 31.68 27.52 40.57 44.58 51.77 57.39 57.32 43.63 39.35 35.53 25.23 40.36
1966 29.00 29.07 32.42 38.23 45.48 50.57 55.77 55.55 50.63 36.26 34.60 31.10 40.72
1967 33.06 30.43 31.94 35.50 44.74 55.30 59.35 59.26 52.40 38.61 31.07 25.39 41.42
1968 26.84 32.41 35.32 36.62 a 45.55 53.60 59.45 56.32 50.37 34.77 33.73 24.74 40.81
1969 15.71 27.14 32.13 38.57 47.55 57.07 58.06 54.19 51.00 36.10 32.27 29.68 39.96
1970 26.77 33.18 34.35 36.57 45.81 56.50 60.48 54.29 45.50 35.42 31.53 25.81 40.52
1971 29.97 29.25 30.68 35.87 46.74 51.37 58.19 60.55 43.77 36.13 33.20 27.84 40.30
1972 25.06 28.72 36.84 36.00 46.81 53.73 58.58 58.81 45.83 37.39 33.50 18.48 39.98
1973 21.23 28.43 36.03 38.80 46.77 53.80 58.65 57.32 49.53 40.19 35.50 33.35 41.63
1974 20.94 32.14 34.35 41.20 45.52 54.30 57.77 58.00 47.77 36.06 34.97 31.10 41.18
1975 27.71 26.14 30.23 34.87 44.90 51.93 61.90 53.87 45.10 41.19 30.10 29.39 39.78
1976 28.74 29.03 31.03 38.10 44.68 49.43 58.23 56.03 50.27 35.52 32.50 24.10 39.80
1977 21.16 31.36 35.23 40.63 43.61 56.37 56.48 58.65 46.90 36.23 29.13 29.32 40.42
1978 26.39 31.96 35.35 38.90 43.87 51.50 54.39 56.06 47.97 33.94 23.17 22.06 38.80
1979 8.68 27.07 33.00 40.00 46.19 50.90 55.48 57.19 46.83 39.71 29.30 30.06 38.70
1980 17.77 29.55 34.45 39.93 45.68 50.20 55.55 53.55 49.30 36.84 35.30 30.84 39.91
1981 33.26 30.11 33.10 38.77 46.58 51.43 54.61 55.90 47.00 36.58 33.00 30.61 40.91
1982 27.35 26.96 33.39 33.80 44.00 54.70 56.32 56.10 47.43 37.16 28.33 29.16 39.56
1983 31.06 34.04 38.94 36.20 46.55 51.33 55.39 57.94 45.33 36.97 37.53 16.48 40.65
1984 26.35 32.10 36.97 39.17 43.68 51.63 56.13 56.29 46.27 36.39 34.00 21.84 40.07
1985 25.00 21.39 31.77 41.47 47.84 52.23 59.58 54.03 44.47 38.68 21.33 17.68 37.96
1986 28.16 32.00 38.42 38.50 47.65 56.40 55.13 58.68 47.50 37.77 35.73 28.58 42.04
1987 24.77 30.89 37.19 41.17 48.81 52.50 57.06 52.74 48.83 34.55 32.83 28.35 40.81
1988 26.23 28.90 34.42 41.83 46.45 52.60 58.48 53.94 48.00 42.39 37.10 27.87 41.52
1989 31.45 16.89 34.65 41.50 46.97 ----- z 57.39 57.35 46.87 38.94 36.57 29.32 39.81
1990 33.39 28.29 32.61 41.67 46.03 53.57 58.32 56.81 49.00 37.16 35.07 15.35 40.61
1991 ----- z 34.18 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 34.18
1992 ----- z ----- z ----- z 43.93 48.13 58.00 59.48 59.32 48.83 40.52 35.97 26.35 46.73
1993 16.29 22.64 32.87 41.17 51.29 54.03 56.90 55.58 47.43 40.23 22.73 31.39 39.38
1994 32.00 28.07 31.06 44.23 49.77 a 52.73 61.23 61.42 52.23 38.68 32.03 28.23 42.64
1995 28.80 k 32.50 32.45 39.47 48.26 53.50 60.87 54.16 52.10 39.39 38.63 29.45 43.71
1996 26.81 22.90 34.65 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 28.12
1997 24.74 30.82 36.13 39.70 48.58 54.20 ----- z 60.42 52.18 s ----- z ----- z ----- z 42.08
1998 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1999 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2000 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2001 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2002 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2003 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2004 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2005 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2006 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2007 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2008 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2009 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2010 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2011 28.40 a 26.46 b 33.26 36.80 43.77 51.93 52.84 58.68 48.37 42.57 a 30.07 a 23.97 a 39.76
2012 24.87 a 29.59 33.67 a 40.40 44.39 50.40 57.97 55.61 45.83 37.94 36.73 32.58 40.83
2013 26.84 28.25 33.74 34.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 25.00 z 29.61
Period of Record Statistics
MEAN 23.68 27.80 32.90 38.76 45.61 52.37 57.07 55.19 46.98 37.95 31.21 26.55 39.57
S.D. 7.23 4.76 2.37 2.35 2.33 2.23 2.16 2.45 2.55 2.63 4.33 4.79 1.52
SKEW -1.17 -1.27 0.00 -0.11 0.27 0.11 0.03 0.28 -0.01 -0.08 -0.80 -0.97 -0.52
MAX 36.67 36.14 38.94 44.23 51.29 58.00 61.90 61.42 52.40 45.45 38.63 35.32 42.96
MIN 2.71 8.14 27.10 32.40 40.61 46.47 52.16 50.58 41.27 29.68 17.53 9.87 34.84
NO YRS 89 92 91 89 90 88 89 91 90 90 90 90 84