WHITE SWAN, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(459191)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198107
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
1927 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 74.00 k 61.00 47.00 s 74.00
1928 62.00 57.00 71.00 75.00 94.00 97.00 111.00 98.00 96.00 78.00 61.00 58.00 111.00
1929 42.00 52.00 71.00 81.00 89.00 92.00 101.00 99.00 94.00 83.00 66.00 60.00 101.00
1930 57.00 67.00 80.00 89.00 c 81.00 88.00 101.00 c 100.00 95.00 80.00 ----- z ----- z 101.00
1931 ----- z ----- z 60.00 w 86.00 95.00 98.00 104.00 d 96.00 g 92.00 d 78.00 o ----- z ----- z 104.00
1932 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 104.00 b 90.00 ----- z 58.00 k 60.00 104.00
1933 60.00 ----- z 67.00 b 90.00 80.00 i 100.00 101.00 101.00 84.00 84.00 c 69.00 b 64.00 101.00
1934 60.00 56.00 d ----- z 90.00 f 100.00 100.00 101.00 97.00 a 94.00 85.00 a 62.00 57.00 101.00
1935 64.00 55.00 68.00 78.00 86.00 95.00 109.00 98.00 95.00 n 90.00 59.00 a 52.00 109.00
1936 53.00 61.00 55.00 y 74.00 s 95.00 a 101.00 100.00 100.00 a 90.00 b 82.00 c 61.00 e 62.00 101.00
1937 43.00 55.00 66.00 75.00 a 87.00 a 100.00 100.00 a 96.00 96.00 a 77.00 u 62.00 61.00 100.00
1938 57.00 53.00 a 65.00 82.00 93.00 c 95.00 102.00 a 95.00 a 97.00 ----- z 63.00 59.00 102.00
1939 56.00 58.00 78.00 a 84.00 93.00 97.00 106.00 a 99.00 92.00 77.00 i 65.00 k 58.00 106.00
1940 51.00 58.00 74.00 78.00 90.00 97.00 98.00 b 94.00 a 94.00 a 84.00 u 66.00 55.00 98.00
1941 54.00 55.00 71.00 80.00 90.00 94.00 a 106.00 97.00 a 82.00 f ----- z 62.00 c 58.00 106.00
1942 51.00 56.00 73.00 b 85.00 84.00 98.00 102.00 a 100.00 92.00 81.00 g 57.00 50.00 102.00
1943 60.00 60.00 66.00 85.00 86.00 93.00 98.00 94.00 93.00 87.00 62.00 c 62.00 98.00
1944 54.00 57.00 73.00 80.00 a 91.00 95.00 101.00 93.00 98.00 82.00 ----- z 54.00 c 101.00
1945 63.00 59.00 71.00 a 80.00 ----- z 91.00 x 108.00 c 99.00 d 90.00 86.00 f 69.00 d 55.00 i 108.00
1946 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1947 37.00 z 68.00 77.00 a 90.00 97.00 a 98.00 97.00 94.00 j 90.00 78.00 63.00 58.00 c 98.00
1948 ----- z ----- z ----- z ----- z ----- z 100.00 96.00 c 93.00 b 92.00 b 74.00 b 56.00 m 51.00 h 100.00
1949 47.00 57.00 e 65.00 d 83.00 96.00 c 98.00 a 98.00 a 101.00 c 95.00 q 69.00 l 68.00 59.00 r 101.00
1950 46.00 c 61.00 65.00 74.00 88.00 a 94.00 98.00 a 97.00 98.00 75.00 63.00 58.00 d 98.00
1951 55.00 66.00 69.00 h 85.00 92.00 90.00 96.00 95.00 e 89.00 u ----- z ----- z 47.00 m 96.00
1952 47.00 54.00 72.00 86.00 89.00 91.00 a 102.00 a 98.00 93.00 a 85.00 j 64.00 m 47.00 o 102.00
1953 63.00 68.00 69.00 77.00 85.00 84.00 99.00 a 96.00 96.00 a 79.00 64.00 e ----- z 99.00
1954 57.00 a 67.00 64.00 b 73.00 a 94.00 89.00 a 97.00 97.00 88.00 71.00 65.00 h 54.00 u 97.00
1955 48.00 59.00 a 64.00 73.00 85.00 99.00 102.00 97.00 ----- z 72.00 r 68.00 51.00 a 102.00
1956 47.00 51.00 65.00 a 84.00 93.00 93.00 102.00 a 99.00 90.00 a 78.00 a 62.00 a 53.00 z 102.00
1957 47.00 d 62.00 65.00 m 89.00 a 96.00 96.00 95.00 b 93.00 c 93.00 c 77.00 f 56.00 u 62.00 a 96.00
1958 58.00 a 64.00 63.00 a 81.00 a 97.00 103.00 c 103.00 c 99.00 b 92.00 a 87.00 62.00 h 60.00 e 103.00
1959 57.00 62.00 a 66.00 a 77.00 b 89.00 b 94.00 b 102.00 b 100.00 89.00 80.00 f 70.00 c 63.00 a 102.00
1960 52.00 59.00 b 80.00 a 82.00 a 85.00 a 91.00 a 104.00 107.00 91.00 a 80.00 b 62.00 49.00 o 107.00
1961 56.00 c 61.00 70.00 73.00 88.00 b 104.00 b 104.00 a 107.00 87.00 a 78.00 c 57.00 j 60.00 107.00
1962 61.00 61.00 71.00 b 84.00 82.00 a 95.00 100.00 95.00 b 93.00 a 77.00 b ----- z 58.00 b 100.00
1963 57.00 b 62.00 70.00 c 71.00 a 94.00 b 99.00 b 90.00 d 98.00 a 93.00 b 79.00 a 60.00 49.00 w 99.00
1964 53.00 d 66.00 75.00 b 71.00 a 85.00 a 89.00 c 102.00 b 94.00 b 84.00 81.00 c 63.00 v 52.00 e 102.00
1965 ----- z ----- z 71.00 q 79.00 b 87.00 91.00 b 100.00 a 100.00 a 86.00 ----- z ----- z ----- z 100.00
1966 ----- z ----- z ----- z ----- z 93.00 d 90.00 c 95.00 a 96.00 a 95.00 b 77.00 c 64.00 b 56.00 a 96.00
1967 62.00 g 63.00 67.00 b 68.00 89.00 97.00 a 100.00 102.00 b 98.00 76.00 b 74.00 b 63.00 b 102.00
1968 63.00 a 65.00 67.00 84.00 e 87.00 94.00 104.00 96.00 90.00 82.00 58.00 60.00 104.00
1969 42.00 b 48.00 74.00 a 72.00 a 92.00 99.00 a 96.00 n 97.00 93.00 74.00 65.00 52.00 a 99.00
1970 51.00 58.00 66.00 67.00 91.00 b 102.00 a 102.00 102.00 86.00 85.00 b 64.00 b 59.00 102.00
1971 66.00 68.00 62.00 72.00 d 85.00 m 91.00 104.00 102.00 g 84.00 83.00 62.00 c 52.00 104.00
1972 56.00 61.00 71.00 72.00 90.00 92.00 95.00 c 102.00 c 90.00 77.00 a 55.00 e 64.00 c 102.00
1973 51.00 a 58.00 a 67.00 78.00 94.00 95.00 a 100.00 96.00 b 91.00 a 69.00 56.00 58.00 100.00
1974 56.00 58.00 69.00 75.00 82.00 99.00 100.00 99.00 95.00 78.00 63.00 58.00 a 100.00
1975 61.00 57.00 65.00 79.00 87.00 92.00 105.00 93.00 90.00 80.00 71.00 63.00 105.00
1976 62.00 59.00 66.00 74.00 87.00 93.00 98.00 i 95.00 h 95.00 86.00 68.00 56.00 98.00
1977 63.00 70.00 72.00 92.00 b 79.00 96.00 99.00 d 93.00 w 86.00 74.00 65.00 63.00 99.00
1978 50.00 54.00 b 73.00 75.00 83.00 97.00 104.00 101.00 86.00 c 78.00 71.00 e ----- z 104.00
1979 43.00 59.00 f 72.00 84.00 90.00 97.00 104.00 c 96.00 91.00 84.00 59.00 60.00 104.00
1980 43.00 52.00 66.00 85.00 k 85.00 84.00 b 97.00 90.00 d 88.00 80.00 j 54.00 p 50.00 q 97.00
1981 57.00 o ----- z 69.00 j 81.00 n ----- z 90.00 e 100.00 b ----- z ----- z ----- z ----- z ----- z 100.00
Period of Record Statistics
MEAN 54.33 59.51 69.47 79.39 89.47 95.02 100.90 97.87 91.49 79.74 63.65 58.27 103.00
S.D. 6.71 5.13 4.50 6.24 4.77 4.47 3.87 3.51 3.79 4.69 4.39 3.88 5.15
SKEW -0.26 0.12 0.58 0.06 -0.03 -0.34 0.02 0.44 -0.25 -0.03 0.28 -0.51 0.74
MAX 66.00 70.00 80.00 92.00 100.00 104.00 111.00 107.00 98.00 90.00 74.00 64.00 111.00
MIN 42.00 48.00 62.00 67.00 79.00 84.00 90.00 90.00 84.00 69.00 55.00 50.00 98.00
NO YRS 45 45 43 46 47 51 50 47 47 35 37 37 5