SEATTLE MAPLE LEAF R,

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(457463)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196010
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
1941 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1942 35.00 t 27.00 32.00 37.00 38.00 b 45.00 a 49.00 49.00 b 43.00 38.00 31.00 32.00 27.00
1943 10.00 30.00 27.00 37.00 40.00 a 41.00 a 48.00 49.00 45.00 32.00 34.00 28.00 10.00
1944 27.00 n ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 27.00
1945 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1946 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1947 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1950 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1951 16.00 27.00 a 26.00 c 33.00 a 38.00 45.00 b 49.00 c 47.00 b 42.00 c 32.00 28.00 a 18.00 i 16.00
1952 28.00 i 29.00 f 30.00 d 31.00 35.00 a 41.00 a 43.00 c 48.00 h 44.00 g 40.00 i 25.00 l 31.00 k 25.00
1953 30.00 i 30.00 k 26.00 i 34.00 d 39.00 45.00 a 49.00 47.00 c 42.00 36.00 31.00 m 32.00 i 26.00
1954 17.00 k 31.00 j 27.00 i 33.00 f 32.00 k 42.00 h 45.00 i 47.00 i 41.00 i 32.00 i 31.00 k 29.00 h 17.00
1955 29.00 j 24.00 i 15.00 h 33.00 39.00 43.00 46.00 46.00 40.00 39.00 8.00 c 24.00 8.00
1956 17.00 12.00 29.00 k 32.00 39.00 45.00 47.00 a 47.00 b 43.00 d 35.00 28.00 16.00 12.00
1957 12.00 22.00 b 32.00 36.00 45.00 47.00 48.00 c 49.00 42.00 a 37.00 31.00 31.00 12.00
1958 34.00 31.00 31.00 b 38.00 40.00 50.00 50.00 52.00 42.00 37.00 b 28.00 g 34.00 c 28.00
1959 11.00 29.00 33.00 34.00 35.00 47.00 49.00 48.00 46.00 35.00 25.00 29.00 11.00
1960 25.00 27.00 25.00 37.00 40.00 45.00 46.00 46.00 41.00 38.00 ----- z ----- z 25.00
Period of Record Statistics
MEAN 17.86 25.62 29.50 34.73 38.91 44.91 47.64 48.00 42.60 35.90 26.43 27.71 10.50
S.D. 8.75 6.14 3.07 2.37 2.70 2.63 2.01 1.83 1.78 2.42 8.62 6.07 0.71
SKEW 0.96 -1.51 -0.38 -0.09 0.58 0.14 -1.10 0.92 0.64 -0.57 -1.58 -1.04 0.00
MAX 34.00 31.00 33.00 38.00 45.00 50.00 50.00 52.00 46.00 39.00 34.00 34.00 11.00
MIN 10.00 12.00 25.00 31.00 35.00 41.00 43.00 46.00 40.00 32.00 8.00 16.00 10.00
NO YRS 7 8 8 11 11 11 11 10 10 10 7 7 2