SNOQUALMIE PASS, WASHINGTON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(457781)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 197202
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
1931 15.00 17.00 14.00 a 17.00 28.00 33.00 33.00 35.00 28.00 25.00 6.00 8.00 6.00
1932 3.00 -3.00 9.00 26.00 26.00 32.00 35.00 37.00 28.00 28.00 22.00 -6.00 -6.00
1933 4.00 -15.00 15.00 20.00 28.00 29.00 31.00 36.00 29.00 27.00 23.00 20.00 -15.00
1934 16.00 21.00 20.00 28.00 28.00 o 33.00 e 33.00 j 37.00 e 27.00 h 27.00 l 28.00 18.00 16.00
1935 -12.00 12.00 14.00 7.00 23.00 32.00 30.00 ----- z 25.00 13.00 5.00 15.00 -12.00
1936 0.00 -11.00 3.00 9.00 30.00 38.00 e 39.00 40.00 30.00 f 26.00 c ----- z 16.00 -11.00
1937 -11.00 0.00 24.00 26.00 28.00 35.00 37.00 b 35.00 b 29.00 31.00 26.00 17.00 -11.00
1938 10.00 11.00 11.00 20.00 28.00 32.00 37.00 36.00 37.00 24.00 12.00 a 11.00 10.00
1939 17.00 0.00 13.00 23.00 29.00 30.00 34.00 34.00 33.00 22.00 27.00 15.00 0.00
1940 10.00 17.00 24.00 25.00 29.00 35.00 38.00 38.00 33.00 28.00 10.00 9.00 9.00
1941 17.00 16.00 19.00 28.00 28.00 35.00 41.00 38.00 33.00 29.00 23.00 2.00 2.00
1942 -2.00 14.00 20.00 30.00 30.00 34.00 44.00 41.00 32.00 29.00 22.00 12.00 -2.00
1943 -17.00 17.00 12.00 26.00 27.00 35.00 41.00 40.00 35.00 23.00 c 26.00 16.00 -17.00
1944 8.00 14.00 9.00 24.00 24.00 31.00 36.00 36.00 32.00 32.00 22.00 2.00 2.00
1945 11.00 20.00 a 12.00 ----- z ----- z 27.00 e 34.00 m ----- z 30.00 o 20.00 l 15.00 l ----- z 11.00
1946 12.00 h 13.00 d 16.00 d 15.00 d 28.00 e 29.00 d 39.00 d 35.00 q 26.00 e 15.00 e 16.00 f 5.00 g 5.00
1947 ----- z 12.00 i 19.00 d 24.00 e 29.00 f 34.00 e 36.00 f 35.00 j 29.00 e 28.00 f 17.00 e 18.00 c 12.00
1948 8.00 e 0.00 f 10.00 i 16.00 f 24.00 h 36.00 f 37.00 f 39.00 f 28.00 e 24.00 g 18.00 e -2.00 f -2.00
1949 -8.00 h -1.00 h 16.00 k 25.00 l 26.00 g 31.00 p 37.00 p 38.00 i 30.00 i 21.00 h 27.00 h 6.00 i -8.00
1950 -16.00 n -15.00 g 15.00 j 19.00 l 26.00 i 32.00 j 39.00 s 40.00 l 31.00 h 27.00 g ----- z 17.00 j -16.00
1951 -7.00 d 7.00 j 10.00 l 21.00 l ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -7.00
1952 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 30.00 j 15.00 16.00 15.00
1953 18.00 16.00 13.00 16.00 b 27.00 30.00 37.00 h 39.00 j 31.00 m 27.00 f 24.00 20.00 13.00
1954 -2.00 12.00 7.00 21.00 o 16.00 k 28.00 36.00 a 37.00 30.00 a 25.00 19.00 k 13.00 -2.00
1955 10.00 5.00 0.00 a 19.00 a 26.00 34.00 31.00 36.00 32.00 27.00 -6.00 6.00 -6.00
1956 2.00 -7.00 3.00 17.00 b 28.00 32.00 37.00 36.00 32.00 26.00 12.00 2.00 -7.00
1957 -13.00 3.00 21.00 26.00 35.00 36.00 39.00 39.00 h 31.00 26.00 15.00 a 22.00 a -13.00
1958 19.00 12.00 a 13.00 28.00 26.00 39.00 38.00 43.00 29.00 27.00 7.00 19.00 7.00
1959 -5.00 11.00 17.00 22.00 23.00 35.00 37.00 35.00 32.00 27.00 6.00 16.00 -5.00
1960 8.00 3.00 4.00 25.00 29.00 33.00 39.00 35.00 32.00 26.00 15.00 14.00 3.00
1961 11.00 15.00 9.00 14.00 28.00 33.00 37.00 44.00 31.00 25.00 11.00 4.00 4.00
1962 -12.00 0.00 14.00 16.00 25.00 32.00 32.00 40.00 33.00 29.00 16.00 9.00 -12.00
1963 -7.00 10.00 19.00 18.00 25.00 37.00 35.00 40.00 34.00 27.00 18.00 7.00 -7.00
1964 12.00 15.00 8.00 16.00 24.00 28.00 33.00 35.00 32.00 28.00 16.00 -14.00 -14.00
1965 15.00 a 10.00 7.00 23.00 26.00 34.00 42.00 34.00 30.00 29.00 21.00 12.00 7.00
1966 12.00 13.00 8.00 23.00 a 26.00 33.00 40.00 37.00 34.00 27.00 a 22.00 20.00 8.00
1967 19.00 15.00 10.00 19.00 30.00 a 35.00 40.00 40.00 29.00 29.00 15.00 4.00 4.00
1968 2.00 11.00 a 20.00 15.00 28.00 36.00 38.00 39.00 34.00 a ----- z 22.00 a -19.00 -19.00
1969 -12.00 7.00 10.00 22.00 d 28.00 b 40.00 38.00 35.00 30.00 23.00 17.00 a 18.00 -12.00
1970 8.00 b 23.00 16.00 19.00 27.00 b 37.00 a 40.00 b 38.00 a 27.00 a 22.00 9.00 b 10.00 8.00
1971 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 20.00 e 10.00 b 10.00
1972 -6.00 d 0.00 g ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z -6.00
Period of Record Statistics
MEAN 4.14 9.32 12.94 20.79 27.32 33.31 37.00 37.48 30.91 25.83 16.53 10.34 -1.74
S.D. 10.70 9.03 6.05 5.54 2.40 3.11 3.42 2.63 2.72 4.03 7.55 9.33 8.35
SKEW -0.37 -0.99 -0.09 -0.51 0.63 -0.05 -0.31 0.76 -0.11 -1.60 -0.78 -1.43 -0.31
MAX 19.00 23.00 24.00 30.00 35.00 40.00 44.00 44.00 37.00 32.00 28.00 22.00 10.00
MIN -17.00 -15.00 0.00 7.00 23.00 27.00 30.00 34.00 25.00 13.00 -6.00 -19.00 -17.00
NO YRS 36 34 35 33 31 35 31 29 32 30 34 35 23