N WILLAMETTE EXP STN,

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(356151)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200708
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
1963 55.00 a 69.00 66.00 ----- z 95.00 92.00 88.00 93.00 92.00 75.00 61.00 a 64.00 a 95.00
1964 58.00 60.00 76.00 70.00 84.00 82.00 92.00 93.00 82.00 b 82.00 61.00 60.00 93.00
1965 55.00 60.00 a 71.00 79.00 78.00 85.00 102.00 102.00 94.00 80.00 62.00 60.00 102.00
1966 55.00 63.00 72.00 81.00 88.00 95.00 87.00 a 92.00 92.00 84.00 69.00 59.00 95.00
1967 55.00 61.00 63.00 65.00 86.00 92.00 97.00 102.00 98.00 72.00 64.00 58.00 102.00
1968 61.00 72.00 69.00 80.00 79.00 92.00 93.00 98.00 92.00 b 75.00 a 62.00 51.00 d 98.00
1969 57.00 56.00 c 73.00 72.00 90.00 b 96.00 a 90.00 a 87.00 c 90.00 a 71.00 72.00 b 57.00 a 96.00
1970 60.00 a 65.00 62.00 64.00 87.00 96.00 97.00 95.00 86.00 91.00 70.00 58.00 97.00
1971 59.00 61.00 63.00 75.00 90.00 81.00 95.00 98.00 b 82.00 85.00 57.00 54.00 a 98.00
1972 53.00 60.00 71.00 72.00 92.00 85.00 96.00 102.00 93.00 78.00 61.00 61.00 102.00
1973 59.00 63.00 66.00 d 72.00 92.00 92.00 98.00 90.00 95.00 67.00 60.00 56.00 98.00
1974 59.00 54.00 68.00 74.00 79.00 92.00 a 94.00 96.00 97.00 81.00 65.00 59.00 97.00
1975 59.00 63.00 62.00 b 68.00 84.00 88.00 96.00 89.00 92.00 90.00 71.00 a 58.00 96.00
1976 60.00 62.00 67.00 75.00 83.00 88.00 94.00 86.00 87.00 a 85.00 a 69.00 59.00 94.00
1977 59.00 69.00 61.00 78.00 75.00 86.00 92.00 105.00 86.00 73.00 64.00 c 60.00 a 105.00
1978 55.00 b 63.00 71.00 73.00 84.00 92.00 b 98.00 b 102.00 78.00 81.00 62.00 54.00 c 102.00
1979 53.00 55.00 74.00 77.00 85.00 92.00 103.00 92.00 93.00 87.00 64.00 60.00 103.00
1980 56.00 59.00 65.00 81.00 78.00 80.00 102.00 90.00 92.00 90.00 64.00 65.00 102.00
1981 63.00 62.00 68.00 81.00 c 83.00 87.00 99.00 105.00 100.00 73.00 67.00 a 59.00 105.00
1982 55.00 62.00 69.00 78.00 88.00 100.00 91.00 97.00 91.00 80.00 64.00 59.00 100.00
1983 58.00 62.00 64.00 79.00 101.00 88.00 92.00 92.00 81.00 73.00 62.00 a 53.00 101.00
1984 62.00 63.00 68.00 80.00 88.00 85.00 96.00 93.00 86.00 82.00 61.00 50.00 96.00
1985 54.00 62.00 63.00 80.00 84.00 98.00 100.00 93.00 83.00 78.00 65.00 50.00 100.00
1986 62.00 70.00 70.00 79.00 93.00 94.00 88.00 98.00 92.00 78.00 64.00 56.00 98.00
1987 57.00 62.00 70.00 86.00 96.00 96.00 95.00 100.00 101.00 91.00 63.00 60.00 101.00
1988 58.00 68.00 70.00 80.00 90.00 91.00 101.00 101.00 105.00 95.00 65.00 58.00 105.00
1989 58.00 58.00 63.00 80.00 81.00 95.00 86.00 90.00 95.00 77.00 65.00 62.00 95.00
1990 60.00 66.00 72.00 83.00 88.00 95.00 100.00 102.00 95.00 75.00 63.00 53.00 102.00
1991 60.00 71.00 72.00 75.00 75.00 ----- z 100.00 92.00 95.00 87.00 63.00 55.00 100.00
1992 62.00 67.00 72.00 79.00 93.00 104.00 101.00 103.00 86.00 81.00 60.00 50.00 104.00
1993 62.00 62.00 64.00 70.00 87.00 89.00 85.00 99.00 92.00 88.00 61.00 67.00 99.00
1994 57.00 56.00 78.00 75.00 85.00 85.00 102.00 92.00 95.00 76.00 56.00 62.00 102.00
1995 62.00 63.00 a 73.00 78.00 89.00 93.00 100.00 90.00 92.00 72.00 68.00 65.00 100.00
1996 58.00 66.00 72.00 78.00 80.00 89.00 101.00 100.00 89.00 86.00 63.00 56.00 101.00
1997 61.00 64.00 71.00 74.00 91.00 83.00 94.00 95.00 92.00 73.00 65.00 56.00 95.00
1998 57.00 70.00 72.00 86.00 90.00 88.00 102.00 97.00 100.00 82.00 62.00 49.00 a 102.00
1999 56.00 b 55.00 71.00 82.00 92.00 85.00 91.00 90.00 94.00 79.00 70.00 58.00 94.00
2000 53.00 57.00 70.00 76.00 78.00 97.00 94.00 91.00 ----- z 79.00 62.00 57.00 97.00
2001 57.00 60.00 73.00 78.00 94.00 87.00 92.00 97.00 87.00 83.00 ----- z ----- z 97.00
2002 ----- z ----- z 63.00 76.00 83.00 93.00 98.00 104.00 90.00 ----- z 68.00 61.00 104.00
2003 62.00 61.00 74.00 67.00 87.00 98.00 100.00 94.00 94.00 80.00 59.00 55.00 100.00
2004 55.00 59.00 77.00 87.00 80.00 90.00 103.00 99.00 89.00 79.00 59.00 59.00 103.00
2005 65.00 67.00 77.00 77.00 94.00 83.00 96.00 96.00 87.00 72.00 59.00 62.00 96.00
2006 57.00 61.00 66.00 82.00 97.00 101.00 104.00 95.00 95.00 77.00 68.00 59.00 104.00
2007 56.00 62.00 71.00 77.00 90.00 88.00 103.00 95.00 ----- z ----- z ----- z ----- z 103.00
Period of Record Statistics
MEAN 58.07 62.52 69.18 76.80 86.80 90.64 96.18 95.82 91.33 80.07 63.72 57.77 99.64
S.D. 2.98 4.43 4.47 5.24 6.10 5.60 5.09 5.01 5.63 6.39 3.74 4.21 3.49
SKEW 0.19 0.23 -0.10 -0.47 -0.02 0.18 -0.41 0.11 -0.12 0.29 0.33 -0.20 -0.23
MAX 65.00 72.00 78.00 87.00 101.00 104.00 104.00 105.00 105.00 95.00 72.00 67.00 105.00
MIN 53.00 54.00 61.00 64.00 75.00 80.00 85.00 86.00 78.00 67.00 56.00 49.00 93.00
NO YRS 44 44 45 44 45 44 45 45 43 43 43 43 36