THE DALLES, OREGON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(358407)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1948 ----- z ----- z ----- z ----- z ----- z ----- z 49.00 49.00 a 38.00 28.00 c 26.00 14.00 14.00
1949 0.00 18.00 31.00 34.00 39.00 44.00 50.00 49.00 a 42.00 27.00 33.00 23.00 0.00
1950 -15.00 -21.00 28.00 31.00 37.00 a 46.00 50.00 51.00 a 41.00 31.00 28.00 32.00 -21.00
1951 11.00 15.00 26.00 29.00 40.00 43.00 51.00 49.00 38.00 30.00 24.00 19.00 11.00
1952 15.00 21.00 28.00 32.00 36.00 44.00 49.00 49.00 41.00 a 35.00 23.00 a 23.00 15.00
1953 32.00 28.00 29.00 30.00 39.00 42.00 52.00 52.00 42.00 a 33.00 27.00 30.00 27.00
1954 -4.00 27.00 23.00 34.00 32.00 43.00 45.00 52.00 a 35.00 30.00 28.00 22.00 -4.00
1955 25.00 20.00 16.00 32.00 39.00 a 46.00 44.00 49.00 40.00 35.00 3.00 20.00 3.00
1956 10.00 2.00 a 25.00 32.00 40.00 45.00 51.00 51.00 42.00 34.00 22.00 19.00 2.00
1957 -13.00 20.00 30.00 36.00 47.00 51.00 53.00 51.00 43.00 34.00 25.00 26.00 -13.00
1958 25.00 30.00 28.00 33.00 40.00 54.00 50.00 56.00 42.00 30.00 20.00 31.00 20.00
1959 8.00 28.00 29.00 33.00 38.00 46.00 53.00 52.00 41.00 30.00 20.00 22.00 8.00
1960 15.00 15.00 19.00 35.00 35.00 46.00 51.00 42.00 42.00 34.00 29.00 23.00 15.00
1961 23.00 32.00 33.00 32.00 39.00 a 46.00 51.00 53.00 39.00 32.00 20.00 14.00 14.00
1962 -1.00 17.00 27.00 37.00 40.00 43.00 48.00 51.00 43.00 38.00 28.00 20.00 a -1.00
1963 5.00 a 16.00 29.00 31.00 37.00 a 48.00 44.00 49.00 48.00 32.00 25.00 19.00 5.00
1964 28.00 26.00 27.00 30.00 37.00 46.00 51.00 48.00 42.00 34.00 27.00 0.00 0.00
1965 21.00 29.00 22.00 34.00 35.00 48.00 51.00 46.00 35.00 38.00 29.00 20.00 20.00
1966 26.00 27.00 27.00 30.00 40.00 41.00 51.00 52.00 a 47.00 34.00 31.00 27.00 26.00
1967 27.00 26.00 26.00 30.00 41.00 51.00 56.00 ----- z ----- z ----- z ----- z ----- z 26.00
1968 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1969 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1970 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1971 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1972 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1973 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1974 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1975 ----- z 22.00 28.00 28.00 39.00 46.00 a 54.00 35.00 40.00 34.00 21.00 a 22.00 21.00
1976 18.00 17.00 a 22.00 a 29.00 38.00 40.00 47.00 b 47.00 41.00 26.00 c 16.00 16.00 16.00
1977 12.00 29.00 30.00 38.00 38.00 48.00 a 49.00 a 51.00 44.00 a 34.00 b 13.00 27.00 b 12.00
1978 12.00 27.00 30.00 35.00 41.00 a 48.00 42.00 49.00 43.00 29.00 a 12.00 6.00 c 6.00
1979 0.00 0.00 28.00 38.00 42.00 46.00 50.00 52.00 48.00 38.00 22.00 a 27.00 0.00
1980 3.00 11.00 31.00 32.00 a 40.00 a 45.00 a 52.00 46.00 a 45.00 32.00 a 31.00 26.00 b 3.00
1981 31.00 18.00 a 29.00 a 32.00 a 41.00 b 45.00 a 47.00 52.00 a 41.00 a 31.00 26.00 28.00 18.00
1982 14.00 16.00 29.00 30.00 40.00 46.00 51.00 54.00 43.00 31.00 25.00 23.00 14.00
1983 28.00 26.00 35.00 32.00 41.00 49.00 52.00 51.00 35.00 35.00 32.00 -1.00 -1.00
1984 14.00 28.00 30.00 36.00 39.00 45.00 53.00 51.00 39.00 33.00 30.00 6.00 6.00
1985 24.00 9.00 30.00 31.00 34.00 43.00 52.00 47.00 32.00 27.00 0.00 10.00 0.00
1986 23.00 23.00 33.00 33.00 35.00 46.00 48.00 a 55.00 42.00 33.00 23.00 22.00 22.00
1987 15.00 24.00 29.00 36.00 42.00 45.00 55.00 52.00 43.00 35.00 29.00 25.00 15.00
1988 23.00 16.00 29.00 33.00 37.00 47.00 47.00 50.00 44.00 34.00 31.00 23.00 16.00
1989 23.00 -1.00 25.00 38.00 42.00 48.00 53.00 51.00 46.00 31.00 30.00 26.00 -1.00
1990 28.00 20.00 29.00 38.00 38.00 46.00 51.00 52.00 50.00 36.00 32.00 -6.00 -6.00
1991 ----- z 24.00 29.00 35.00 41.00 46.00 55.00 50.00 43.00 24.00 30.00 26.00 24.00
1992 28.00 29.00 33.00 35.00 40.00 50.00 55.00 47.00 42.00 35.00 29.00 17.00 17.00
1993 9.00 15.00 14.00 36.00 42.00 47.00 51.00 48.00 39.00 36.00 8.00 25.00 8.00
1994 26.00 14.00 28.00 39.00 41.00 45.00 53.00 54.00 49.00 36.00 23.00 19.00 14.00
1995 17.00 15.00 23.00 34.00 43.00 ----- z 53.00 49.00 43.00 25.00 23.00 23.00 15.00
1996 -3.00 -3.00 25.00 36.00 37.00 ----- z 48.00 51.00 38.00 32.00 27.00 15.00 -3.00
1997 16.00 25.00 30.00 30.00 36.00 45.00 49.00 55.00 47.00 32.00 30.00 27.00 16.00
1998 16.00 30.00 27.00 37.00 ----- z ----- z ----- z ----- z 48.00 29.00 35.00 3.00 3.00
1999 21.00 ----- z ----- z 28.00 a 30.00 38.00 41.00 49.00 a 30.00 a 26.00 27.00 28.00 a 21.00
2000 20.00 23.00 26.00 a 29.00 31.00 38.00 a 46.00 44.00 b 27.00 ----- z ----- z 22.00 20.00
2001 21.00 20.00 21.00 27.00 ----- z ----- z 51.00 ----- z 40.00 a 30.00 25.00 25.00 20.00
2002 23.00 22.00 23.00 a 29.00 33.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 22.00
2003 29.00 ----- z 26.00 31.00 ----- z 46.00 48.00 50.00 41.00 22.00 ----- z ----- z 22.00
2004 ----- z 24.00 ----- z ----- z 40.00 42.00 50.00 52.00 ----- z ----- z ----- z 25.00 24.00
2005 14.00 ----- z 27.00 28.00 39.00 ----- z 50.00 46.00 ----- z 30.00 ----- z ----- z 14.00
2006 28.00 10.00 25.00 b 29.00 a 33.00 49.00 a 51.00 k ----- z ----- z ----- z ----- z ----- z 10.00
Period of Record Statistics
MEAN 16.06 18.94 27.08 32.74 38.42 45.60 50.06 49.81 41.36 31.81 24.40 19.98 7.67
S.D. 11.42 10.28 4.10 3.19 3.31 3.14 3.27 3.57 4.66 3.70 7.51 8.64 10.95
SKEW -0.90 -1.64 -1.04 0.19 -0.46 -0.13 -0.73 -1.62 -0.79 -0.56 -1.53 -1.32 -0.40
MAX 32.00 32.00 35.00 39.00 47.00 54.00 56.00 56.00 50.00 38.00 35.00 32.00 27.00
MIN -15.00 -21.00 14.00 27.00 30.00 38.00 41.00 35.00 27.00 22.00 0.00 -6.00 -21.00
NO YRS 48 48 49 50 48 45 49 47 47 47 45 47 33