BOTHELL st,

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(450826)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195905
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 24.00 a 22.00 22.00 a 31.00 40.00 45.00 ----- z ----- z ----- z ----- z ----- z ----- z 22.00
1932 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 41.00 31.00 32.00 25.00 5.00 a 5.00
1933 20.00 4.00 26.00 27.00 b 26.00 31.00 38.00 40.00 29.00 30.00 28.00 28.00 4.00
1934 25.00 25.00 27.00 28.00 32.00 35.00 38.00 40.00 28.00 29.00 c 31.00 25.00 25.00
1935 -2.00 20.00 a 23.00 21.00 29.00 35.00 37.00 36.00 34.00 25.00 11.00 23.00 -2.00
1936 20.00 10.00 a 21.00 21.00 34.00 40.00 40.00 33.00 31.00 32.00 16.00 23.00 10.00
1937 1.00 20.00 26.00 31.00 g 32.00 a 38.00 41.00 c 37.00 32.00 a 33.00 28.00 21.00 1.00
1938 23.00 21.00 24.00 25.00 30.00 35.00 38.00 38.00 41.00 27.00 21.00 17.00 17.00
1939 25.00 17.00 23.00 27.00 30.00 33.00 a 38.00 39.00 38.00 22.00 27.00 c 22.00 b 17.00
1940 22.00 24.00 b 28.00 28.00 31.00 36.00 38.00 41.00 34.00 29.00 c 19.00 18.00 18.00
1941 22.00 22.00 23.00 28.00 31.00 40.00 42.00 43.00 a 34.00 c 33.00 21.00 18.00 18.00
1942 10.00 21.00 26.00 30.00 31.00 37.00 42.00 41.00 31.00 29.00 25.00 a 26.00 10.00
1943 3.00 a 22.00 19.00 28.00 30.00 35.00 38.00 41.00 35.00 26.00 26.00 19.00 3.00
1944 20.00 21.00 21.00 a 27.00 b 29.00 34.00 39.00 38.00 34.00 b 34.00 23.00 9.00 9.00
1945 19.00 21.00 25.00 26.00 34.00 a 35.00 a 38.00 35.00 33.00 27.00 18.00 14.00 14.00
1946 24.00 25.00 25.00 28.00 29.00 35.00 39.00 39.00 33.00 23.00 23.00 16.00 16.00
1947 3.00 23.00 23.00 28.00 32.00 37.00 39.00 33.00 29.00 30.00 24.00 27.00 3.00
1948 ----- z ----- z ----- z ----- z ----- z 41.00 38.00 42.00 29.00 25.00 22.00 9.00 9.00
1949 3.00 10.00 25.00 29.00 29.00 35.00 35.00 40.00 31.00 21.00 30.00 14.00 3.00
1950 -10.00 -6.00 26.00 27.00 29.00 35.00 40.00 38.00 29.00 28.00 21.00 28.00 -10.00
1951 6.00 20.00 19.00 20.00 29.00 a 35.00 41.00 37.00 32.00 24.00 20.00 17.00 6.00
1952 8.00 22.00 24.00 22.00 27.00 33.00 35.00 g 39.00 36.00 30.00 16.00 22.00 8.00
1953 26.00 25.00 21.00 25.00 32.00 37.00 38.00 40.00 32.00 31.00 24.00 27.00 21.00
1954 7.00 24.00 19.00 27.00 23.00 33.00 38.00 40.00 31.00 25.00 32.00 21.00 7.00
1955 20.00 19.00 8.00 26.00 30.00 35.00 41.00 37.00 30.00 31.00 0.00 16.00 0.00
1956 9.00 8.00 19.00 27.00 31.00 36.00 38.00 41.00 37.00 s 29.00 h 21.00 b 11.00 8.00
1957 -1.00 13.00 28.00 30.00 36.00 41.00 h 41.00 40.00 k 32.00 29.00 23.00 23.00 -1.00
1958 25.00 a 28.00 25.00 31.00 d 32.00 b 42.00 44.00 d 44.00 h 33.00 29.00 18.00 b 28.00 i 18.00
1959 8.00 27.00 28.00 29.00 30.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 8.00
Period of Record Statistics
MEAN 13.33 18.81 23.11 26.77 30.67 36.27 39.16 38.76 32.38 28.23 21.96 19.19 9.05
S.D. 10.54 7.71 4.14 2.96 3.16 3.13 1.95 2.59 2.95 3.52 6.54 6.28 8.85
SKEW -0.43 -1.61 -1.77 -0.89 0.52 1.04 0.49 -0.73 1.00 -0.35 -1.33 -0.47 -0.14
MAX 26.00 28.00 28.00 31.00 40.00 45.00 44.00 43.00 41.00 34.00 32.00 28.00 25.00
MIN -10.00 -6.00 8.00 20.00 23.00 31.00 35.00 33.00 28.00 21.00 0.00 5.00 -10.00
NO YRS 27 27 27 26 27 26 25 25 26 26 27 26 19