FERN RIDGE DAM, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(352867)

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
1943 ----- z ----- z ----- z ----- z ----- z ----- z 48.44 o 52.03 50.17 46.90 37.60 30.35 43.41
1944 30.32 33.00 33.35 39.90 43.32 48.93 50.77 50.32 49.43 45.84 35.20 29.84 40.85
1945 33.26 34.82 35.68 39.23 48.06 47.37 51.23 51.84 47.30 41.61 40.23 39.26 42.49
1946 33.77 34.71 36.68 40.47 45.97 49.33 53.32 51.87 48.53 39.55 35.50 35.48 42.10
1947 30.03 35.46 39.26 43.24 a 46.77 49.73 53.65 51.29 49.53 47.90 39.63 34.71 43.43
1948 29.97 31.48 35.74 39.47 45.06 59.93 51.42 52.94 47.70 42.32 35.50 29.58 41.76
1949 18.87 33.82 39.06 42.43 46.87 47.67 50.48 52.65 49.87 37.71 40.20 33.06 41.06
1950 25.19 31.64 36.80 a 38.77 42.32 50.57 52.39 53.65 49.50 46.87 39.93 41.55 42.43
1951 34.55 36.43 33.42 40.38 a 44.55 48.77 52.13 50.48 47.63 43.81 38.10 33.45 41.97
1952 32.71 34.68 a 34.97 a 39.63 43.03 a 47.23 52.19 52.71 49.80 44.61 30.73 34.23 41.38
1953 40.63 a 34.89 35.68 39.07 43.90 47.55 a 51.00 53.71 50.67 42.87 41.63 38.23 43.32
1954 34.06 35.21 32.55 39.47 44.27 a 47.53 50.55 51.84 48.03 40.26 42.43 33.61 41.65
1955 33.39 32.07 33.55 36.63 41.61 48.63 50.50 a 50.03 48.47 44.00 37.27 35.84 41.00
1956 35.81 30.64 a 36.35 39.93 46.97 47.48 a 52.38 b 52.55 48.90 42.00 33.90 34.71 41.80
1957 25.06 34.50 39.45 41.77 48.17 a 50.90 50.55 50.61 51.90 44.06 32.83 37.00 42.23
1958 36.23 41.57 34.87 40.40 47.94 54.03 56.26 55.03 51.03 43.52 40.13 39.74 45.06
1959 37.42 34.07 37.29 40.87 43.87 51.17 53.32 51.94 49.53 45.71 34.83 34.23 42.85
1960 31.65 34.52 37.55 40.77 44.06 49.40 52.45 51.58 48.93 43.58 37.73 33.06 42.11
1961 35.52 39.46 38.39 39.67 44.90 51.13 52.65 54.90 46.70 42.87 33.53 36.03 42.98
1962 28.45 34.25 35.61 41.30 42.71 47.30 50.61 52.23 51.03 45.03 39.60 35.97 42.01
1963 26.68 39.57 36.65 38.77 43.87 48.97 50.58 52.87 52.27 45.19 39.57 33.29 42.36
1964 34.61 31.41 34.87 37.77 41.19 47.83 52.55 51.71 46.43 42.13 36.70 35.03 41.02
1965 35.48 34.39 34.26 40.80 41.48 47.07 51.52 54.03 47.03 45.03 42.50 32.77 42.20
1966 34.35 33.07 36.35 40.67 41.65 47.30 51.23 51.16 50.07 42.06 39.47 37.90 42.11
1967 36.58 33.68 35.19 35.37 42.19 50.57 51.97 54.42 50.67 43.81 39.20 35.32 42.41
1968 34.42 38.10 37.94 36.30 41.87 47.63 51.48 52.06 49.27 41.77 39.47 33.13 41.95
1969 28.65 30.71 33.13 37.33 45.52 52.93 50.10 48.55 48.37 41.00 38.00 36.65 40.91
1970 35.77 34.39 36.10 35.67 42.58 49.90 50.61 49.03 44.20 40.58 36.87 33.61 40.78
1971 33.48 33.39 34.06 36.87 42.94 46.43 51.84 53.35 46.10 39.10 37.20 32.42 40.60
1972 32.48 35.41 38.65 36.10 43.97 48.30 52.35 52.77 45.30 39.90 39.50 26.87 40.97
1973 31.03 34.68 34.94 38.57 42.81 49.20 50.45 48.58 49.63 42.55 38.10 38.39 41.58
1974 28.74 33.64 36.52 38.77 42.71 48.17 51.16 52.16 49.60 39.97 39.03 37.84 41.53
1975 37.42 33.75 35.48 35.47 41.97 47.63 51.68 50.26 47.50 44.58 35.17 35.29 41.35
1976 33.90 32.28 33.26 36.47 41.48 44.97 49.77 51.84 50.13 42.52 39.90 30.87 40.62
1977 28.23 34.75 34.06 36.86 a 40.74 48.47 50.23 54.68 48.37 43.87 35.90 36.90 41.09
1978 37.90 38.25 38.42 39.53 41.97 50.70 52.52 53.23 49.77 42.68 31.13 28.84 42.08
1979 24.58 35.54 37.16 39.83 44.58 46.70 52.00 52.29 50.77 47.16 36.33 36.55 41.96
1980 28.65 35.00 36.19 39.67 42.71 47.80 52.55 48.45 48.27 42.81 39.93 36.06 41.51
1981 34.90 35.00 36.68 39.90 43.65 48.80 52.10 54.23 49.87 42.32 38.77 37.03 42.77
1982 30.90 33.96 35.74 35.57 42.61 50.90 51.45 53.42 50.03 44.00 34.47 35.29 41.53
1983 36.13 39.61 42.10 40.33 46.10 48.63 53.13 54.16 48.63 44.16 41.00 31.71 43.81
1984 33.87 35.93 40.23 39.10 43.03 47.07 51.68 51.84 48.57 43.06 37.93 31.26 41.96
1985 27.48 31.79 33.68 42.60 43.55 48.37 54.84 51.94 47.73 42.06 31.07 25.90 40.08
1986 35.74 37.50 41.39 39.37 44.29 51.93 50.87 53.81 48.97 44.77 39.27 33.19 43.42
1987 31.26 35.46 37.71 40.10 45.61 48.37 52.10 52.23 49.30 44.71 40.70 34.06 42.63
1988 32.45 34.38 36.58 41.60 43.61 48.27 52.87 51.39 48.50 47.62 o 42.27 35.77 42.52
1989 35.65 26.37 i 37.32 44.20 j 44.59 i 49.97 52.50 k 53.00 49.40 j 43.59 i 36.50 j 34.50 k 43.98
1990 35.70 k 31.78 j 37.59 i 42.62 i 43.50 i 50.62 i 54.43 j 56.03 53.32 k 42.57 j 36.10 j 30.28 m 56.03
1991 32.10 k 41.00 j 34.81 j 39.71 i 43.23 i 47.10 j 53.45 i 54.27 i 52.05 j 43.00 i 40.33 l 36.18 i 9999.00
1992 39.76 j 38.89 j 41.48 h 44.47 46.35 k 51.57 54.48 54.10 j 51.19 i 43.71 j 38.53 k 33.52 j 50.17
1993 28.44 m 32.05 i 41.55 43.13 47.05 l 49.37 51.48 j 52.86 i 47.05 i 45.20 k 32.94 m 35.26 l 44.68
1994 35.95 l 33.53 k 38.94 41.80 j 47.48 j 48.00 a 53.70 k 52.81 51.48 i 41.25 k 34.05 k 36.86 j 46.58
1995 36.95 l 39.93 m 36.23 i 39.35 j 44.86 i 49.87 54.15 k 51.32 53.40 j 42.67 j 43.42 k 37.20 k 50.59
1996 34.74 l 34.05 j 37.14 j 41.52 i 43.32 i 44.11 k 47.59 i 46.86 i 41.90 j 38.62 j 36.95 k 34.67 m 9999.00
1997 33.10 k 34.42 i 35.57 j 38.20 45.65 n 47.75 j 51.91 i 53.62 j 52.00 i 43.57 j 41.72 l 32.58 l 38.20
1998 36.76 n 36.11 i 36.16 l 38.00 45.30 k 49.60 54.73 i 49.20 k 39.48 i 34.05 k 38.65 m 35.00 n 43.80
1999 37.67 m 37.53 i 35.50 i 37.52 i 41.75 k 48.68 h 51.80 k 54.91 i 48.48 i 42.75 k 40.61 l 35.62 j 9999.00
2000 33.55 k 39.30 i 37.36 i 42.05 j 45.82 i 50.82 h 51.89 l 53.55 i 50.00 k 43.57 j 34.71 m 33.85 k 9999.00
2001 33.05 j 32.00 j 36.76 j 38.70 j 43.45 i 47.43 i 52.05 l 51.52 h 47.39 l 40.14 j 39.20 j 34.85 k 9999.00
2002 33.77 i 33.39 j 32.86 j 40.63 42.52 h 50.00 j 53.32 i 50.77 i 48.84 k 42.50 i 37.47 m 37.24 j 40.63
2003 36.90 j 31.11 i 38.52 j 34.75 j 44.83 s 49.40 j 52.87 h 52.55 k 49.33 l 46.00 i 33.64 p 34.53 l 9999.00
2004 33.25 k 34.00 k 38.43 j 38.59 h 44.10 k 46.81 n 50.88 n 52.00 j 47.00 o 42.27 p 34.00 n 32.79 q 9999.00
2005 29.14 q 27.67 m 34.58 l 34.35 m 41.88 n 45.00 o 47.64 q 46.82 n 40.21 p 38.64 q 30.06 l 25.94 o 9999.00
2006 30.95 i 27.95 h 29.50 i 33.35 j 36.50 k 44.90 i 45.18 n 41.85 k 39.93 o 32.69 o ----- z ----- z 9999.00
2007 21.75 s 26.67 m 26.89 v 29.62 n 32.27 p 36.75 n ----- z 44.10 u 38.07 p 34.36 t ----- z ----- z 9999.00
2008 ----- z 34.87 n 36.07 p 34.56 n 38.58 s ----- z 45.09 t 46.50 s ----- z 34.27 p ----- z ----- z 9999.00
2009 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 35.83 27.74 31.79
2010 38.35 37.07 35.16 37.03 41.52 47.60 52.24 n 50.61 49.53 42.58 37.20 36.90 41.23
2011 32.84 31.75 37.48 35.83 41.68 48.10 50.52 51.87 49.67 44.81 36.83 32.58 41.16
2012 33.10 32.34 34.45 40.70 41.42 46.47 51.90 51.55 46.47 42.35 40.20 36.68 41.47
2013 30.58 34.04 43.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 32.31
Period of Record Statistics
MEAN 32.46 34.66 36.44 39.26 43.70 49.04 51.84 52.19 48.89 43.18 37.72 34.32 41.92
S.D. 4.13 2.39 2.26 2.17 1.95 2.29 1.30 1.65 1.62 2.17 2.91 3.29 0.95
SKEW -0.84 0.76 0.55 -0.01 0.71 2.18 1.04 -0.23 -0.58 -0.14 -0.61 -0.47 0.74
MAX 40.63 41.57 42.10 44.47 48.17 59.93 56.26 56.03 52.27 47.90 42.50 41.55 45.06
MIN 18.87 30.64 32.55 35.37 40.74 44.97 49.77 48.45 44.20 37.71 30.73 25.90 40.08
NO YRS 50 49 51 53 48 54 48 53 49 48 50 50 46