WHITE SWAN, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(459191)

File last updated on Jul 25, 2006
*** 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
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 53.72 60.38 68.43 77.80 88.84 94.35 99.97 97.87 90.77 78.48 64.18 58.48 102.50
S.D. 6.88 5.36 4.18 6.38 4.56 4.84 3.54 3.88 3.86 4.46 4.97 4.06 3.54
SKEW -0.03 -0.32 0.75 0.34 -0.07 -0.07 -0.70 0.51 0.02 0.02 0.06 -0.51 0.00
MAX 66.00 70.00 80.00 92.00 97.00 104.00 105.00 107.00 98.00 87.00 74.00 64.00 105.00
MIN 42.00 48.00 62.00 67.00 79.00 84.00 90.00 90.00 84.00 69.00 55.00 51.00 100.00
NO YRS 29 29 28 30 31 34 32 30 30 25 22 21 2