OWYHEE DAM, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(356405)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1935 ----- z 26.89 31.35 39.63 43.29 49.17 53.00 51.16 49.48 a 42.46 e 27.37 23.19 39.73
1936 27.71 21.62 31.74 41.57 46.94 50.93 55.32 54.30 u 47.60 40.94 23.67 25.77 37.62
1937 6.00 e 25.25 33.71 38.40 44.00 48.00 54.26 49.61 47.70 41.42 36.43 30.61 37.95
1938 28.61 32.36 34.03 39.83 45.26 51.50 55.39 51.65 50.60 41.29 27.43 25.97 40.33
1939 27.52 26.57 34.42 38.00 47.71 47.03 a 53.35 51.81 46.60 41.48 26.70 31.00 39.35
1940 27.10 32.83 37.52 40.77 45.48 50.50 54.06 51.87 51.27 43.23 28.83 26.68 40.84
1941 27.77 30.18 35.06 39.30 45.71 50.30 54.23 52.13 44.47 39.94 30.93 29.97 40.00
1942 17.97 25.46 28.84 40.30 43.61 46.93 53.48 52.77 47.53 41.45 32.03 31.10 38.46
1943 24.06 28.82 30.19 41.23 41.81 46.57 51.61 50.29 46.97 41.06 30.83 25.32 38.23
1944 15.29 28.86 29.23 39.23 43.00 48.43 51.94 50.61 47.23 42.10 31.57 25.19 37.72
1945 26.10 31.29 33.35 36.77 47.29 50.77 54.10 51.03 44.73 42.06 32.30 24.58 39.53
1946 23.94 26.61 35.00 41.20 45.03 48.33 54.35 52.58 44.83 37.16 32.87 30.06 39.33
1947 16.03 29.25 36.55 40.97 46.48 49.27 54.00 52.97 45.93 43.58 31.87 25.84 39.39
1948 ----- z ----- z ----- z ----- z ----- z ----- z 54.94 55.97 50.17 a 38.06 32.57 20.71 42.07
1949 4.61 25.36 36.52 39.57 47.65 49.97 a 53.74 54.58 51.90 36.43 a 32.93 27.13 38.37
1950 21.16 26.21 31.52 37.30 41.00 47.90 53.06 52.87 45.43 b 40.32 32.33 33.45 38.55
1951 24.90 28.79 29.26 37.80 44.52 46.30 52.45 50.06 44.77 39.32 27.70 26.10 37.66
1952 21.52 25.03 31.32 39.57 46.61 51.43 53.47 a 52.65 49.47 40.81 23.20 25.74 38.40
1953 32.74 30.04 34.77 36.90 42.55 48.13 52.32 51.73 a 48.27 39.20 a 35.93 26.23 39.90
1954 29.94 31.56 a 29.77 36.69 a 43.66 b 46.37 56.16 53.58 47.00 35.16 24.00 w 26.39 39.66
1955 19.87 21.61 28.58 36.40 42.52 51.10 55.10 53.61 46.47 38.52 27.23 28.94 37.49
1956 26.00 22.50 e 33.03 a 36.33 45.19 47.13 53.70 a 49.06 44.37 38.10 25.10 25.97 37.21
1957 9.67 a 25.32 34.16 38.57 48.07 a 49.40 50.55 48.97 45.37 38.35 26.59 a 28.55 36.96
1958 24.58 33.25 29.87 a 37.47 49.77 52.87 53.68 53.94 45.53 38.58 27.13 30.29 39.75
1959 27.14 j 29.71 31.55 38.80 41.55 51.00 55.42 52.03 49.10 42.13 25.37 19.39 39.64
1960 16.94 27.07 33.48 38.97 40.55 48.00 55.61 49.65 46.97 39.35 31.00 20.68 37.36
1961 22.55 32.86 36.16 39.13 45.06 53.70 56.29 59.68 45.93 39.29 28.60 24.68 40.33
1962 13.26 25.57 31.06 40.30 45.58 49.53 52.61 53.68 47.90 41.65 33.53 28.48 38.60
1963 17.65 34.14 34.94 37.83 46.87 a 50.93 52.23 52.81 51.77 44.19 34.73 24.68 40.23
1964 22.84 23.93 30.68 36.03 40.84 48.87 52.45 50.29 42.97 37.87 30.83 28.26 37.15
1965 28.81 28.71 27.06 39.83 43.13 48.80 51.84 52.48 43.27 39.65 34.77 22.58 38.41
1966 27.42 27.75 33.13 36.77 44.19 47.63 52.32 53.19 50.83 36.39 34.87 28.55 39.42
1967 30.65 29.57 32.42 34.77 41.84 49.77 55.00 54.42 49.57 37.94 33.27 22.32 39.29
1968 22.29 31.31 34.45 35.17 42.45 50.03 53.65 54.00 47.87 37.13 33.77 25.59 b 38.97
1969 24.48 27.39 30.10 37.90 46.94 50.43 51.61 50.13 46.77 36.00 28.13 27.32 38.10
1970 30.03 30.29 33.03 34.17 42.39 53.13 54.77 52.97 43.30 36.23 33.80 23.68 38.98
1971 27.90 27.82 29.10 34.90 43.58 45.63 51.68 54.26 40.27 35.94 28.43 24.06 36.96
1972 19.42 25.79 33.61 34.17 41.45 48.23 50.45 52.87 42.03 39.06 30.57 14.84 36.04
1973 21.61 26.89 31.16 37.13 41.87 46.93 52.32 51.23 45.63 37.58 33.30 28.65 37.86
1974 21.87 27.04 32.29 35.57 39.48 49.63 51.84 50.39 45.80 37.39 30.07 25.45 37.23
1975 20.71 26.79 30.65 33.80 41.13 47.47 54.81 48.65 43.80 38.16 27.33 24.90 36.52
1976 24.03 23.66 26.97 34.43 41.55 44.37 51.74 49.29 46.40 34.32 26.87 17.19 35.07
1977 12.90 24.54 30.55 37.03 40.94 51.93 50.97 54.65 46.60 38.06 29.70 31.42 37.44
1978 28.48 32.57 34.00 37.97 42.81 47.17 53.58 49.29 44.20 34.39 24.07 18.00 37.21
1979 6.19 26.14 32.10 37.63 44.74 47.40 52.13 50.97 46.37 41.68 25.63 24.68 36.31
1980 22.35 31.83 32.58 39.27 43.58 47.47 52.97 48.32 45.43 35.94 28.50 26.19 37.87
1981 29.16 26.96 33.16 37.23 41.81 45.67 49.23 52.32 45.93 36.81 33.43 27.10 38.23
1982 20.39 22.75 32.84 33.17 41.94 50.10 50.94 51.03 44.47 37.58 25.27 22.94 36.12
1983 23.45 31.18 35.74 36.90 45.03 48.97 51.00 54.39 41.70 37.35 34.63 20.13 38.37
1984 19.71 25.62 33.81 37.97 43.58 50.50 53.10 53.16 42.77 35.97 31.93 17.61 37.14
1985 16.48 20.50 28.94 39.63 44.61 49.40 56.10 50.84 42.97 35.68 21.47 6.48 34.42
1986 17.68 31.54 38.00 39.43 46.42 55.87 53.35 58.48 45.77 37.87 29.80 22.06 39.69
1987 18.39 27.71 33.94 38.70 46.58 54.07 55.19 49.84 49.23 37.55 30.40 25.26 38.90
1988 19.29 25.93 32.26 40.50 44.61 56.40 58.71 56.42 47.70 45.13 34.27 20.42 40.14
1989 17.71 12.93 34.13 40.27 43.13 52.67 58.97 54.32 46.97 37.55 28.07 20.29 37.25
1990 26.06 25.04 32.61 41.37 43.94 53.40 60.45 58.81 52.03 37.03 30.87 10.32 39.33
1991 14.94 30.29 32.74 38.23 44.97 49.27 58.68 60.00 50.67 39.61 31.20 22.97 39.46
1992 23.84 31.90 35.45 41.43 48.77 56.73 57.19 58.00 47.40 41.42 29.93 19.94 41.00
1993 19.48 21.36 32.52 38.13 47.19 48.83 49.65 51.61 44.43 38.71 20.50 25.35 36.48
1994 27.10 23.39 32.58 38.93 47.13 50.77 60.23 56.90 51.57 38.10 26.00 21.23 39.49
1995 26.10 31.04 31.94 36.37 45.16 50.67 56.84 50.32 47.27 ----- z 34.03 25.10 39.53
1996 ----- z 26.07 34.52 38.17 43.00 48.07 55.65 53.77 43.57 38.52 ----- z 28.03 40.94
1997 25.19 28.32 31.52 36.47 45.26 49.97 53.10 54.03 48.30 37.58 28.60 21.65 38.33
1998 28.06 28.39 31.97 36.80 45.84 49.17 58.65 54.94 53.03 35.65 34.00 22.03 39.88
1999 26.10 27.93 30.13 33.50 ----- z 48.20 51.13 55.26 42.17 34.26 30.77 24.55 36.73
2000 26.39 29.83 30.00 37.90 45.00 48.80 54.77 53.55 43.87 36.26 24.07 25.65 38.01
2001 20.90 22.43 31.10 a 33.07 ----- z 47.40 55.39 54.87 47.90 36.58 30.17 25.68 36.86
2002 25.81 20.50 28.55 37.10 42.03 51.20 58.68 50.77 46.57 35.39 24.47 26.55 37.30
2003 29.77 25.11 35.39 37.10 41.42 52.20 61.45 59.13 51.57 42.03 24.73 28.03 40.66
2004 24.10 27.17 33.94 40.73 45.32 52.13 58.97 58.29 46.23 39.81 30.23 26.16 40.26
2005 26.23 21.71 33.84 36.13 45.39 47.03 55.61 55.61 43.17 38.10 26.77 21.94 37.63
2006 29.42 22.96 31.39 37.70 45.87 52.97 60.61 52.84 44.20 34.52 29.83 19.39 38.47
2007 17.23 27.96 32.23 35.93 44.68 51.07 61.03 52.10 44.97 33.19 24.50 23.77 37.39
2008 18.94 25.34 26.65 29.30 42.39 ----- z 56.06 53.13 42.97 34.45 30.27 19.65 34.47
2009 21.42 22.14 26.29 32.27 40.77 50.67 53.65 52.81 46.07 32.81 23.23 14.32 34.70
2010 24.71 27.04 27.55 31.33 37.45 47.10 53.45 54.90 46.33 41.10 29.00 25.06 37.09
2011 22.27 a 24.88 b 32.42 34.71 b 41.00 a 48.67 53.29 56.43 c 48.30 39.43 a 26.03 18.43 a 37.16
2012 22.84 25.34 32.30 a 39.33 c 41.57 a 46.47 58.61 55.40 a 46.23 34.94 32.23 27.39 38.55
2013 10.71 26.64 28.94 34.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 13.00 z 22.10
Period of Record Statistics
MEAN 22.20 26.99 32.18 37.55 44.02 49.62 54.41 53.05 46.57 38.47 29.49 24.25 38.27
S.D. 5.98 3.69 2.55 2.51 2.38 2.50 2.79 2.73 2.76 2.70 3.67 4.66 1.45
SKEW -0.91 -0.60 -0.19 -0.74 -0.02 0.65 0.71 0.61 0.28 0.20 -0.28 -1.11 -0.35
MAX 32.74 34.14 38.00 41.57 49.77 56.73 61.45 60.00 53.03 45.13 36.43 33.45 41.00
MIN 4.61 12.93 26.29 29.30 37.45 44.37 49.23 48.32 40.27 32.81 20.50 6.48 34.42
NO YRS 75 78 78 77 75 76 78 77 78 77 76 78 68