SPIRIT LAKE RANGER STN, WASHINGTON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(457919)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195608
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
1932 ----- z ----- z ----- z ----- z 22.00 ----- z ----- z ----- z 35.00 30.00 28.00 1.00 1.00
1933 1.00 -8.00 a 6.00 b 6.00 27.00 27.00 b 30.00 35.00 30.00 28.00 24.00 19.00 -8.00
1934 28.00 c 28.00 28.00 27.00 26.00 34.00 37.00 41.00 a 31.00 29.00 30.00 24.00 24.00
1935 -4.00 17.00 a 10.00 13.00 27.00 31.00 38.00 36.00 33.00 14.00 7.00 25.00 a -4.00
1936 15.00 6.00 -4.00 13.00 29.00 35.00 41.00 39.00 31.00 31.00 20.00 18.00 -4.00
1937 -1.00 2.00 15.00 a 26.00 27.00 ----- z ----- z ----- z ----- z ----- z 29.00 i 17.00 -1.00
1938 19.00 6.00 20.00 24.00 a 29.00 32.00 40.00 a 35.00 39.00 28.00 16.00 20.00 6.00
1939 18.00 6.00 4.00 25.00 29.00 31.00 39.00 35.00 36.00 27.00 27.00 b 19.00 4.00
1940 15.00 25.00 22.00 28.00 28.00 35.00 36.00 39.00 35.00 29.00 20.00 22.00 15.00
1941 21.00 ----- z ----- z ----- z ----- z ----- z 41.00 40.00 35.00 30.00 23.00 13.00 13.00
1942 4.00 18.00 17.00 28.00 28.00 34.00 ----- z 39.00 33.00 26.00 25.00 19.00 4.00
1943 4.00 18.00 9.00 28.00 29.00 32.00 35.00 39.00 35.00 28.00 28.00 23.00 4.00
1944 15.00 15.00 12.00 26.00 27.00 32.00 41.00 37.00 33.00 34.00 a 26.00 15.00 12.00
1945 17.00 17.00 12.00 22.00 30.00 31.00 34.00 39.00 31.00 ----- z ----- z ----- z 12.00
1946 5.00 4.00 12.00 25.00 28.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 4.00
1947 ----- z ----- z ----- z ----- z ----- z ----- z 35.00 ----- z ----- z ----- z ----- z ----- z 35.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 39.00 i ----- z ----- z ----- z ----- z 39.00
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 28.00 q 31.00 m 7.00 o 7.00
1950 -15.00 d -15.00 9.00 a 20.00 l 28.00 j 31.00 i 37.00 41.00 28.00 26.00 16.00 25.00 l -15.00
1951 -5.00 3.00 14.00 22.00 28.00 31.00 38.00 32.00 28.00 25.00 22.00 0.00 e -5.00
1952 -5.00 5.00 5.00 16.00 21.00 f 29.00 c 33.00 35.00 31.00 e 32.00 f 20.00 18.00 f -5.00
1953 22.00 15.00 16.00 18.00 e 30.00 32.00 36.00 36.00 30.00 m 27.00 d 25.00 e 22.00 l 15.00
1954 5.00 17.00 d 3.00 f 22.00 18.00 32.00 f 37.00 38.00 29.00 26.00 19.00 15.00 3.00
1955 10.00 6.00 -11.00 14.00 24.00 30.00 32.00 35.00 31.00 27.00 -5.00 g -1.00 h -11.00
1956 -10.00 -15.00 -11.00 15.00 29.00 32.00 35.00 g 40.00 d ----- z ----- z ----- z ----- z -15.00
Period of Record Statistics
MEAN 7.57 8.50 9.74 20.95 27.11 31.75 36.67 37.42 32.44 27.35 22.12 16.67 4.40
S.D. 11.68 11.79 10.17 6.45 2.96 2.11 3.16 2.52 2.97 4.09 5.69 7.38 10.22
SKEW -0.16 -0.50 -0.59 -0.71 -1.83 -0.32 -0.34 -0.32 0.34 -1.89 -1.00 -1.30 0.57
MAX 28.00 28.00 28.00 28.00 30.00 35.00 41.00 41.00 39.00 34.00 30.00 25.00 24.00
MIN -15.00 -15.00 -11.00 6.00 18.00 27.00 30.00 32.00 28.00 14.00 7.00 0.00 -8.00
NO YRS 21 20 19 19 19 16 18 19 18 17 17 15 10