YAKIMA WSO AP, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(459465)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1946 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 87.00 e 74.00 59.00 64.00 87.00
1947 58.00 69.00 79.00 88.00 97.00 93.00 98.00 97.00 91.00 84.00 61.00 53.00 98.00
1948 60.00 64.00 72.00 78.00 91.00 100.00 93.00 91.00 94.00 74.00 58.00 51.00 100.00
1949 44.00 60.00 65.00 83.00 98.00 100.00 101.00 102.00 100.00 73.00 69.00 58.00 102.00
1950 55.00 58.00 67.00 78.00 87.00 98.00 99.00 99.00 97.00 74.00 60.00 56.00 99.00
1951 51.00 61.00 66.00 84.00 91.00 95.00 100.00 97.00 93.00 80.00 59.00 55.00 100.00
1952 47.00 53.00 71.00 86.00 89.00 89.00 102.00 100.00 93.00 84.00 61.00 50.00 102.00
1953 64.00 65.00 69.00 76.00 87.00 83.00 99.00 97.00 93.00 79.00 63.00 56.00 99.00
1954 56.00 62.00 62.00 80.00 94.00 88.00 96.00 95.00 87.00 70.00 64.00 55.00 96.00
1955 47.00 59.00 64.00 75.00 85.00 97.00 103.00 98.00 97.00 72.00 70.00 50.00 103.00
1956 48.00 51.00 63.00 85.00 92.00 91.00 101.00 99.00 88.00 78.00 59.00 59.00 101.00
1957 48.00 64.00 63.00 87.00 94.00 95.00 96.00 91.00 93.00 72.00 59.00 55.00 96.00
1958 55.00 62.00 61.00 77.00 98.00 102.00 104.00 100.00 93.00 85.00 63.00 58.00 104.00
1959 57.00 58.00 64.00 75.00 87.00 94.00 102.00 97.00 89.00 76.00 69.00 62.00 102.00
1960 50.00 55.00 80.00 80.00 86.00 92.00 105.00 99.00 92.00 82.00 61.00 49.00 105.00
1961 58.00 62.00 67.00 74.00 90.00 103.00 103.00 108.00 85.00 78.00 56.00 56.00 108.00
1962 61.00 61.00 69.00 82.00 79.00 94.00 101.00 95.00 93.00 76.00 69.00 52.00 101.00
1963 56.00 62.00 69.00 69.00 89.00 98.00 92.00 96.00 93.00 80.00 60.00 51.00 98.00
1964 53.00 61.00 71.00 69.00 84.00 88.00 101.00 93.00 83.00 79.00 60.00 51.00 101.00
1965 54.00 63.00 68.00 79.00 86.00 90.00 101.00 102.00 87.00 79.00 65.00 55.00 102.00
1966 50.00 56.00 76.00 79.00 94.00 90.00 95.00 97.00 95.00 78.00 66.00 53.00 97.00
1967 60.00 62.00 64.00 68.00 88.00 95.00 98.00 102.00 90.00 75.00 65.00 57.00 102.00
1968 62.00 64.00 65.00 82.00 85.00 91.00 101.00 95.00 86.00 70.00 58.00 60.00 101.00
1969 42.00 42.00 71.00 75.00 90.00 95.00 95.00 94.00 90.00 71.00 64.00 51.00 95.00
1970 48.00 57.00 67.00 69.00 90.00 98.00 99.00 98.00 84.00 82.00 63.00 52.00 99.00
1971 68.00 63.00 62.00 74.00 88.00 93.00 108.00 110.00 87.00 84.00 62.00 53.00 110.00
1972 58.00 65.00 72.00 77.00 95.00 94.00 100.00 106.00 92.00 81.00 56.00 67.00 106.00
1973 48.00 60.00 67.00 79.00 95.00 99.00 103.00 101.00 96.00 70.00 60.00 58.00 103.00
1974 59.00 58.00 68.00 72.00 81.00 99.00 101.00 100.00 88.00 77.00 62.00 57.00 101.00
1975 57.00 58.00 64.00 72.00 89.00 92.00 107.00 94.00 90.00 81.00 72.00 64.00 107.00
1976 59.00 60.00 65.00 78.00 85.00 93.00 98.00 95.00 96.00 82.00 68.00 54.00 98.00
1977 68.00 67.00 69.00 92.00 77.00 96.00 98.00 103.00 83.00 71.00 65.00 62.00 103.00
1978 50.00 53.00 72.00 72.00 83.00 96.00 101.00 101.00 84.00 74.00 63.00 57.00 101.00
1979 42.00 57.00 70.00 78.00 87.00 96.00 104.00 96.00 92.00 82.00 57.00 57.00 104.00
1980 47.00 54.00 66.00 84.00 85.00 85.00 101.00 93.00 89.00 86.00 62.00 67.00 101.00
1981 54.00 64.00 69.00 87.00 85.00 91.00 99.00 103.00 95.00 74.00 66.00 57.00 103.00
1982 57.00 63.00 70.00 77.00 84.00 97.00 103.00 97.00 90.00 74.00 61.00 61.00 103.00
1983 61.00 61.00 63.00 77.00 101.00 91.00 99.00 96.00 82.00 75.00 64.00 39.00 101.00
1984 57.00 57.00 67.00 77.00 90.00 90.00 99.00 98.00 91.00 81.00 55.00 48.00 99.00
1985 36.00 60.00 65.00 78.00 90.00 99.00 101.00 95.00 83.00 74.00 65.00 38.00 101.00
1986 53.00 68.00 72.00 83.00 102.00 99.00 95.00 99.00 91.00 83.00 66.00 46.00 102.00
1987 47.00 56.00 67.00 89.00 93.00 100.00 100.00 98.00 98.00 83.00 64.00 53.00 100.00
1988 50.00 68.00 71.00 81.00 91.00 92.00 100.00 96.00 100.00 87.00 65.00 54.00 100.00
1989 64.00 51.00 62.00 80.00 86.00 93.00 95.00 98.00 88.00 77.00 73.00 52.00 98.00
1990 57.00 62.00 75.00 79.00 89.00 92.00 103.00 102.00 93.00 78.00 69.00 56.00 103.00
1991 59.00 66.00 70.00 79.00 79.00 90.00 100.00 98.00 91.00 85.00 59.00 58.00 100.00
1992 56.00 59.00 76.00 81.00 93.00 105.00 102.00 102.00 88.00 88.00 59.00 49.00 105.00
1993 50.00 50.00 63.00 70.00 96.00 92.00 89.00 97.00 92.00 83.00 60.00 54.00 97.00
1994 61.00 55.00 77.00 84.00 90.00 95.00 103.00 99.00 90.00 79.00 59.00 61.00 103.00
1995 59.00 63.00 67.00 77.00 89.00 92.00 98.00 96.00 94.00 72.00 70.00 54.00 98.00
1996 54.00 58.00 66.00 79.00 82.00 92.00 101.00 100.00 91.00 79.00 60.00 49.00 101.00
1997 49.00 56.00 70.00 70.00 89.00 92.00 95.00 101.00 90.00 72.00 60.00 50.00 101.00
1998 54.00 54.00 68.00 87.00 88.00 93.00 106.00 104.00 98.00 78.00 65.00 59.00 106.00
1999 60.00 57.00 73.00 81.00 94.00 96.00 99.00 97.00 88.00 74.00 72.00 62.00 99.00
2000 53.00 52.00 67.00 78.00 83.00 96.00 101.00 97.00 92.00 74.00 56.00 46.00 101.00
2001 52.00 53.00 69.00 82.00 98.00 95.00 100.00 101.00 92.00 81.00 66.00 55.00 101.00
2002 56.00 67.00 69.00 78.00 78.00 99.00 105.00 99.00 91.00 77.00 63.00 52.00 105.00
2003 58.00 60.00 78.00 71.00 87.00 95.00 104.00 99.00 97.00 85.00 67.00 49.00 104.00
2004 56.00 56.00 72.00 81.00 82.00 98.00 99.00 101.00 87.00 78.00 61.00 60.00 101.00
2005 57.00 61.00 72.00 81.00 95.00 95.00 101.00 100.00 87.00 72.00 57.00 44.00 101.00
2006 57.00 58.00 65.00 82.00 97.00 101.00 98.00 j ----- z ----- z ----- z ----- z ----- z 101.00
Period of Record Statistics
MEAN 54.45 59.35 68.52 78.75 89.12 94.53 100.05 98.54 90.82 77.93 62.83 54.52 101.32
S.D. 6.27 5.11 4.46 5.40 5.64 4.27 3.58 3.67 4.30 4.79 4.39 5.84 2.96
SKEW -0.38 -0.59 0.59 0.01 0.07 -0.05 -0.52 0.59 0.02 0.13 0.41 -0.34 0.40
MAX 68.00 69.00 80.00 92.00 102.00 105.00 108.00 110.00 100.00 88.00 73.00 67.00 110.00
MIN 36.00 42.00 61.00 68.00 77.00 83.00 89.00 91.00 82.00 70.00 55.00 38.00 95.00
NO YRS 60 60 60 60 60 60 59 59 60 60 60 60 59