SQUAW BUTTE EXPERIMENT, OREGON

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(358029)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201212
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
1937 2.90 b 16.39 26.45 29.40 33.13 41.20 50.97 47.68 45.87 34.17 a 28.30 27.19 31.97
1938 21.61 20.18 24.35 31.53 35.32 45.47 53.77 47.81 46.23 34.84 22.00 20.74 33.66
1939 21.10 17.64 26.67 a 31.77 39.13 40.67 51.94 50.58 42.69 a 33.17 a 25.24 a 24.87 33.79
1940 20.16 25.07 29.23 31.17 38.90 47.00 50.63 a 50.45 43.59 a 36.71 24.47 23.65 35.08
1941 21.13 23.68 28.26 31.47 38.16 40.97 50.06 47.32 38.43 33.16 28.73 22.35 33.64
1942 12.97 16.57 22.58 30.50 33.77 39.87 50.26 49.23 41.83 33.74 24.90 21.19 31.45
1943 13.13 20.30 a 22.32 32.70 32.16 36.83 47.35 43.00 42.07 31.90 a 23.70 18.43 a 30.32
1944 8.10 16.52 19.68 25.77 31.39 37.07 43.13 41.16 38.47 33.97 18.93 14.16 27.36
1945 16.29 20.25 19.84 23.73 34.29 36.41 a 46.94 46.00 39.30 35.68 22.80 18.06 29.97
1946 14.77 16.18 25.52 29.00 34.48 40.03 50.10 53.29 38.63 27.39 24.43 21.71 31.29
1947 10.45 23.46 26.39 29.87 40.35 36.70 46.06 43.87 36.87 33.87 24.50 19.55 31.00
1948 21.13 a 17.69 22.13 26.63 34.23 45.53 46.53 a 44.39 37.73 32.20 a 21.33 9.58 29.93
1949 0.61 16.25 25.10 29.40 36.00 a 39.69 d 45.21 b 43.00 a 38.52 a 23.28 b 25.67 12.26 27.91
1950 5.97 13.70 a 19.30 a 23.96 c 29.13 a 37.30 49.29 49.53 l 38.40 o 36.12 e 27.45 a 26.70 a 26.89
1951 13.97 22.52 a 21.00 30.55 a 36.30 a 40.96 d 49.26 d 47.06 41.17 a 31.07 a 18.77 11.20 a 30.32
1952 10.43 a 13.76 14.57 j 32.22 g 36.13 40.66 a 48.03 49.77 43.47 37.29 20.00 a 19.47 a 31.90
1953 28.13 a 24.00 24.23 27.40 32.10 37.03 48.42 47.06 45.40 e 33.25 g 29.80 21.03 33.15
1954 19.70 a 24.85 b 20.90 29.47 36.53 a 38.10 48.94 45.10 a 38.59 a 31.37 d 28.73 15.37 a 31.47
1955 12.00 15.62 b 21.20 a 25.17 33.29 c 44.03 45.58 49.59 b 40.03 a 32.63 a 23.10 21.27 a 30.29
1956 19.06 15.55 23.45 b 30.87 39.48 b 40.53 51.48 48.89 c 42.53 31.23 a 22.07 c 20.65 32.15
1957 7.87 a 21.28 c 26.27 a 29.57 38.48 43.10 45.37 a 46.13 42.89 c 32.39 c 21.14 b 23.13 31.47
1958 19.90 27.61 22.10 a 28.40 41.00 44.97 a 51.39 52.52 38.83 33.87 24.27 d 24.45 34.11
1959 22.45 22.19 a 23.65 29.62 a 31.32 42.80 50.42 45.68 37.62 a 34.06 23.46 b 15.58 e 31.57
1960 17.50 g 18.68 a 26.40 a 28.70 32.52 41.30 52.65 45.77 42.27 32.86 b 23.37 18.69 b 33.02
1961 20.77 27.41 a 25.63 a 27.85 d 31.55 47.70 52.00 53.10 36.27 32.77 a 20.77 18.67 a 32.87
1962 11.70 a 21.25 23.37 d 32.33 c 33.77 41.83 48.19 47.24 f 43.43 g 33.00 27.10 a 23.54 c 29.61
1963 14.95 i 29.48 a 24.55 26.90 37.68 40.60 44.35 47.48 46.93 35.52 26.52 i 22.03 a 35.55
1964 16.50 a 17.93 a 20.47 a 25.57 31.45 b 40.70 c 48.76 b 43.97 38.03 a 34.57 a 24.79 b 21.55 b 30.36
1965 20.29 24.61 21.93 a 31.13 31.04 c 41.71 b 47.87 a 46.04 c 36.93 a 35.44 f 28.37 18.19 e 31.65
1966 16.60 a 18.59 a 23.71 g 28.33 c 36.96 c 39.25 n 45.74 47.23 43.83 a 32.13 a 28.55 a 20.38 b 31.83
1967 21.43 a 23.14 f 23.00 24.59 a 35.87 43.48 a 52.58 52.83 a 44.71 b 30.93 d 29.14 i 16.81 d 34.62
1968 15.97 a 26.76 25.68 25.33 34.68 42.76 a 51.58 46.10 41.73 31.90 28.37 22.20 a 32.75
1969 ----- z 20.36 24.30 k 29.83 39.48 45.87 48.03 45.94 43.00 c 29.48 24.67 22.70 a 34.94
1970 22.13 24.26 a 21.55 23.40 34.97 45.57 49.68 50.71 35.10 29.06 26.97 13.10 j 33.04
1971 21.36 f 20.75 19.67 a 27.24 a 35.16 40.50 50.58 53.32 36.17 29.61 23.83 15.23 a 32.01
1972 16.67 a 21.76 28.26 25.87 35.71 43.57 b 47.57 a 48.00 33.76 a 32.90 27.13 12.90 31.17
1973 16.84 25.19 a 25.97 30.17 40.23 a 44.60 52.39 50.30 a 42.90 33.58 26.53 24.77 34.46
1974 17.03 21.36 25.23 28.87 33.87 47.80 50.77 51.06 46.77 35.35 26.43 22.48 b 33.92
1975 19.52 d 21.40 h 22.23 r 25.81 d 36.19 d 43.43 55.19 e 47.70 a 48.60 35.19 28.46 d 24.41 i 37.79
1976 25.92 g 21.54 e 24.42 28.21 a 38.14 c 40.77 52.48 48.61 45.73 36.00 b 31.10 a 22.74 35.43
1977 14.55 25.29 23.23 33.90 33.13 47.53 48.94 55.23 41.07 36.03 25.79 a 24.29 34.08
1978 21.19 23.14 31.48 ----- z 33.55 43.20 51.97 49.84 40.28 a 36.61 21.33 14.97 33.42
1979 10.30 a 24.42 b 29.21 g 30.37 39.13 45.00 51.48 50.84 47.63 40.90 23.07 22.32 35.04
1980 17.39 27.17 25.84 33.20 37.29 41.17 a 52.52 47.45 43.90 35.07 a 28.54 d 29.23 e 34.90
1981 21.89 l 21.93 28.71 32.11 b 35.45 b 41.10 48.47 a 53.19 44.37 32.79 c 29.27 d 22.25 k 36.74
1982 16.20 z ----- z 18.57 x 26.07 p 32.61 m 46.97 50.42 50.67 a 42.47 32.77 22.11 k 13.73 t 44.66
1983 22.44 v 23.80 r 28.27 p 27.62 v 39.60 a 43.00 46.81 52.61 41.10 36.32 l 25.50 n 18.94 m 44.62
1984 15.35 n 16.58 q 26.83 s 26.60 o 33.29 q 42.56 l 52.70 k 51.35 n 40.78 u 30.33 y 27.31 q 12.90 12.90
1985 14.26 16.00 22.10 34.23 36.81 43.73 o 55.39 48.74 38.50 p 29.50 z 10.77 q 11.19 j 32.50
1986 22.06 27.36 31.40 a 27.60 36.77 49.23 46.58 53.48 37.70 37.29 29.23 21.19 34.99
1987 16.00 24.54 27.87 33.60 39.84 46.77 46.35 49.71 46.97 40.61 25.00 i 19.61 35.62
1988 14.97 24.45 24.94 32.17 34.94 44.10 52.84 49.77 41.27 42.71 26.40 17.48 33.84
1989 16.71 11.43 28.13 34.60 36.87 46.13 49.39 47.19 44.70 35.00 27.70 23.19 33.42
1990 23.48 19.04 28.45 36.40 33.87 44.70 54.13 52.84 50.10 33.10 26.63 ----- z 36.61
1991 19.65 28.46 25.77 29.67 35.19 40.67 53.55 53.06 47.13 37.29 27.53 21.13 34.93
1992 21.35 29.72 31.71 34.40 43.94 48.47 50.68 51.47 a 43.07 38.68 23.33 15.23 36.00
1993 10.71 12.11 27.19 30.30 40.58 40.70 40.00 43.71 46.37 37.39 18.07 ----- z 31.56
1994 ----- z 20.18 28.10 33.73 40.19 44.67 55.03 50.16 47.47 33.84 19.97 18.77 35.65
1995 22.97 28.71 26.77 29.80 39.10 42.97 49.74 47.61 46.70 32.65 31.13 22.42 35.05
1996 23.03 19.97 27.74 31.47 35.84 ----- z 49.35 50.23 41.90 34.74 28.10 23.74 33.28
1997 20.06 24.25 28.00 30.00 41.90 42.13 50.39 52.71 45.73 33.94 29.33 18.06 34.71
1998 25.74 23.54 28.68 27.27 37.55 44.33 56.19 54.45 50.00 32.45 ----- z 18.45 36.24
1999 22.94 20.71 25.68 ----- z 33.48 38.72 a 47.97 51.94 42.79 a 36.97 31.45 a 21.17 a 33.98
2000 19.31 b 25.35 c 25.32 c 31.33 c 36.77 43.50 f 49.55 k ----- z 42.67 i 34.78 h 18.64 p 18.42 l 27.62
2001 12.71 j 16.05 i 25.79 l 25.19 i 36.84 35.94 l 50.75 k 50.68 l 44.65 d 33.68 c 25.57 18.64 c 31.88
2002 18.71 16.68 24.18 i 29.43 30.63 a 38.40 53.06 43.53 n 41.50 29.19 22.60 19.29 29.95
2003 25.97 22.50 34.06 30.87 32.58 38.43 55.57 h 51.52 j 43.47 m 38.65 23.92 f 22.38 e 30.68
2004 17.94 20.26 f 30.71 g 32.77 37.05 j 45.00 f 53.91 h 54.83 h 41.85 j 36.67 g 27.09 g 23.48 h 25.35
2005 19.08 f 23.00 30.04 f 31.00 h 40.35 h 40.86 h 52.74 l 50.55 k 42.50 j 35.68 i 25.95 h 15.25 k 23.00
2006 23.16 l 19.72 j 24.36 i 26.50 l 31.35 n 48.35 j 54.68 l 49.27 i 39.75 n 35.50 k 26.00 l 18.72 m 9999.00
2007 14.14 i 22.85 h 27.25 k 27.44 n 35.78 m 41.58 k 54.56 o 50.00 j 41.61 l 31.16 l 24.56 n 17.78 m 9999.00
2008 13.00 i 22.23 g 23.00 j 25.43 i 36.53 l 41.55 j 52.24 j 51.48 j 44.23 h 36.50 i 28.94 n 16.86 i 9999.00
2009 21.24 j 20.15 h 23.48 j 27.90 j 35.60 k 46.65 j 54.36 i 50.79 l 43.05 i 30.43 j 24.10 i 13.33 j 9999.00
2010 24.22 m 23.94 j 25.05 i 27.30 j 32.15 k 41.65 j 48.61 m 47.36 i 44.05 i 37.55 23.90 20.00 27.15
2011 18.52 19.61 26.42 26.93 a 33.10 39.80 48.35 53.16 48.07 35.25 c ----- z 17.61 33.35
2012 20.90 a 21.86 25.56 d 32.00 36.19 41.17 53.97 53.68 c 48.70 35.13 25.77 19.52 34.54
2013 11.90 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 11.90
Period of Record Statistics
MEAN 17.16 21.45 25.25 29.62 35.90 42.36 49.77 49.06 42.53 34.05 25.34 19.95 32.52
S.D. 5.54 4.34 3.25 2.94 3.09 3.21 3.13 3.31 3.91 3.16 3.28 3.94 2.14
SKEW -0.77 -0.20 0.24 -0.13 0.17 0.11 -0.37 -0.21 -0.10 -0.20 -0.24 -0.41 -0.48
MAX 28.13 29.72 34.06 36.40 43.94 49.23 56.19 55.23 50.10 42.71 31.45 29.23 36.00
MIN 0.61 11.43 19.30 23.40 29.13 36.41 40.00 41.16 33.76 23.28 18.07 9.58 27.36
NO YRS 60 64 59 63 67 63 65 62 63 64 59 61 36