SISTERS, OREGON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(357857)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1958 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 97.00 u 95.00 89.00 63.00 64.00 97.00
1959 60.00 61.00 a 72.00 74.00 81.00 a 90.00 100.00 92.00 a 90.00 a 82.00 73.00 60.00 a 100.00
1960 54.00 57.00 b 76.00 79.00 82.00 88.00 99.00 a 94.00 88.00 82.00 61.00 54.00 99.00
1961 56.00 57.00 a 66.00 f 75.00 a 78.00 96.00 98.00 97.00 a 85.00 c 86.00 a 67.00 54.00 c 98.00
1962 61.00 63.00 69.00 81.00 68.00 87.00 95.00 94.00 90.00 77.00 66.00 60.00 95.00
1963 62.00 65.00 63.00 b 66.00 81.00 90.00 89.00 93.00 94.00 85.00 63.00 a 52.00 94.00
1964 60.00 64.00 f 74.00 74.00 79.00 90.00 99.00 c 93.00 a 91.00 81.00 56.00 b 57.00 99.00
1965 58.00 68.00 64.00 a 76.00 83.00 85.00 92.00 91.00 83.00 83.00 70.00 60.00 92.00
1966 54.00 54.00 78.00 76.00 88.00 87.00 94.00 95.00 93.00 c 83.00 65.00 52.00 95.00
1967 56.00 61.00 61.00 60.00 87.00 91.00 96.00 100.00 93.00 80.00 66.00 61.00 100.00
1968 59.00 69.00 64.00 82.00 80.00 95.00 98.00 95.00 90.00 81.00 59.00 51.00 i 98.00
1969 58.00 50.00 74.00 73.00 85.00 95.00 95.00 96.00 ----- z 81.00 68.00 56.00 96.00
1970 62.00 60.00 63.00 69.00 86.00 98.00 95.00 95.00 87.00 90.00 60.00 59.00 98.00
1971 65.00 67.00 b 61.00 75.00 82.00 85.00 98.00 101.00 84.00 87.00 65.00 53.00 101.00
1972 54.00 63.00 72.00 77.00 88.00 90.00 95.00 106.00 87.00 79.00 65.00 61.00 106.00
1973 55.00 57.00 64.00 76.00 88.00 92.00 98.00 95.00 92.00 77.00 59.00 53.00 98.00
1974 50.00 56.00 62.00 73.00 76.00 93.00 96.00 97.00 91.00 83.00 65.00 55.00 97.00
1975 58.00 68.00 a 60.00 65.00 86.00 d 85.00 95.00 96.00 91.00 82.00 68.00 57.00 96.00
1976 59.00 59.00 64.00 71.00 83.00 103.00 109.00 90.00 91.00 83.00 62.00 56.00 109.00
1977 56.00 66.00 d 67.00 83.00 79.00 90.00 95.00 103.00 90.00 79.00 b 61.00 56.00 103.00
1978 50.00 a 57.00 69.00 76.00 72.00 90.00 102.00 97.00 86.00 81.00 b 62.00 e 50.00 h 102.00
1979 ----- z 50.00 f 64.00 66.00 ----- z 88.00 d 101.00 94.00 a 92.00 88.00 e 60.00 f 59.00 c 101.00
1980 55.00 i ----- z ----- z ----- z ----- z 86.00 k 99.00 a 94.00 b 94.00 e 92.00 h 72.00 m 64.00 m 99.00
1981 57.00 l 62.00 j 68.00 k 84.00 g 85.00 e 90.00 c 98.00 d 102.00 e 97.00 e 78.00 j 71.00 l 54.00 i 102.00
1982 51.00 l 57.00 j 65.00 79.00 82.00 j 90.00 99.00 95.00 91.00 72.00 58.00 56.00 99.00
1983 56.00 53.00 58.00 72.00 b 89.00 m 84.00 98.00 98.00 86.00 81.00 63.00 47.00 p 98.00
1984 55.00 k 45.00 i 54.00 66.00 83.00 90.00 a 96.00 96.00 94.00 82.00 55.00 52.00 96.00
1985 60.00 60.00 66.00 81.00 84.00 95.00 100.00 93.00 86.00 82.00 b 65.00 51.00 100.00
1986 58.00 a 70.00 73.00 86.00 a 98.00 98.00 95.00 99.00 93.00 82.00 67.00 a 51.00 99.00
1987 57.00 k 56.00 j 68.00 i 87.00 i ----- z 99.00 e 104.00 95.00 94.00 88.00 j 64.00 n 55.00 k 104.00
1988 51.00 b 65.00 65.00 85.00 85.00 l 92.00 i 101.00 k 96.00 h 91.00 i 86.00 k 73.00 63.00 101.00
1989 62.00 51.00 62.00 78.00 80.00 90.00 92.00 93.00 91.00 82.00 68.00 62.00 93.00
1990 53.00 65.00 69.00 81.00 85.00 90.00 99.00 99.00 95.00 83.00 72.00 58.00 99.00
1991 60.00 63.00 71.00 69.00 74.00 91.00 100.00 95.00 90.00 90.00 62.00 56.00 a 100.00
1992 59.00 62.00 68.00 81.00 89.00 ----- z 98.00 99.00 93.00 85.00 63.00 48.00 99.00
1993 49.00 46.00 64.00 64.00 85.00 89.00 90.00 94.00 96.00 85.00 66.00 53.00 96.00
1994 63.00 55.00 77.00 80.00 87.00 94.00 103.00 94.00 93.00 78.00 63.00 55.00 103.00
1995 58.00 72.00 69.00 76.00 86.00 90.00 96.00 95.00 96.00 75.00 65.00 52.00 96.00
1996 57.00 65.00 64.00 79.00 80.00 89.00 103.00 103.00 91.00 84.00 65.00 51.00 103.00
1997 56.00 59.00 71.00 73.00 89.00 86.00 96.00 96.00 88.00 78.00 66.00 60.00 96.00
1998 57.00 50.00 66.00 86.00 81.00 86.00 100.00 105.00 103.00 79.00 62.00 57.00 105.00
1999 59.00 53.00 59.00 75.00 83.00 89.00 100.00 93.00 90.00 78.00 71.00 58.00 100.00
2000 45.00 53.00 65.00 79.00 77.00 94.00 97.00 97.00 93.00 80.00 59.00 51.00 97.00
2001 53.00 53.00 70.00 82.00 95.00 90.00 94.00 98.00 88.00 87.00 66.00 53.00 98.00
2002 57.00 64.00 66.00 74.00 79.00 95.00 104.00 96.00 92.00 77.00 62.00 i 57.00 104.00
2003 58.00 52.00 73.00 73.00 86.00 96.00 104.00 97.00 98.00 83.00 62.00 a 50.00 h 104.00
2004 51.00 49.00 71.00 g 82.00 80.00 n 94.00 102.00 98.00 88.00 78.00 63.00 56.00 102.00
2005 56.00 63.00 73.00 71.00 87.00 84.00 100.00 97.00 86.00 71.00 60.00 50.00 100.00
2006 51.00 59.00 l 57.00 78.00 92.00 98.00 102.00 95.00 91.00 74.00 67.00 58.00 102.00
2007 56.00 65.00 74.00 76.00 88.00 90.00 99.00 94.00 90.00 72.00 64.00 54.00 99.00
2008 51.00 57.00 62.00 77.00 93.00 96.00 95.00 103.00 92.00 83.00 63.00 58.00 103.00
2009 59.00 58.00 59.00 84.00 89.00 a 89.00 98.00 101.00 92.00 73.00 60.00 50.00 101.00
2010 54.00 53.00 e 67.00 71.00 e 75.00 86.00 96.00 m 97.00 86.00 84.00 64.00 56.00 97.00
2011 57.00 c 63.00 59.00 69.00 b 73.00 88.00 94.00 94.00 92.00 79.00 59.00 57.00 94.00
2012 63.00 61.00 67.00 83.00 87.00 84.00 j 95.00 b 97.00 88.00 b 81.00 71.00 b 53.00 97.00
2013 53.00 59.00 b 68.00 b 67.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 19.00 z 68.00
Period of Record Statistics
MEAN 56.51 59.51 66.44 75.63 83.45 90.96 97.87 96.53 90.94 81.12 64.12 55.73 98.85
S.D. 4.14 6.18 5.53 6.03 6.00 4.28 3.79 3.47 3.76 4.44 4.13 3.74 3.79
SKEW -0.40 -0.10 0.09 -0.41 -0.18 0.56 0.24 0.83 0.36 -0.24 0.19 0.14 0.53
MAX 65.00 72.00 78.00 86.00 98.00 103.00 109.00 106.00 103.00 90.00 73.00 64.00 109.00
MIN 45.00 46.00 54.00 60.00 68.00 84.00 89.00 90.00 83.00 71.00 55.00 48.00 92.00
NO YRS 49 47 50 51 47 50 52 53 53 51 50 48 33