ICE HARBOR DAM, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(453883)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201301
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
1957 ----- z ----- z 67.00 u 91.00 c 96.00 103.00 102.00 96.00 96.00 81.00 b 60.00 62.00 103.00
1958 64.00 65.00 66.00 76.00 100.00 108.00 109.00 106.00 99.00 89.00 67.00 62.00 109.00
1959 64.00 61.00 69.00 80.00 92.00 99.00 110.00 103.00 95.00 80.00 71.00 66.00 110.00
1960 55.00 61.00 81.00 81.00 90.00 98.00 112.00 105.00 94.00 86.00 70.00 52.00 112.00
1961 59.00 64.00 a 71.00 76.00 94.00 110.00 108.00 118.00 88.00 82.00 57.00 59.00 118.00
1962 59.00 59.00 64.00 a 84.00 a 80.00 97.00 103.00 101.00 95.00 79.00 66.00 55.00 103.00
1963 56.00 60.00 71.00 74.00 88.00 101.00 96.00 102.00 97.00 85.00 62.00 53.00 102.00
1964 54.00 64.00 77.00 74.00 84.00 92.00 105.00 97.00 90.00 77.00 63.00 57.00 105.00
1965 63.00 68.00 70.00 85.00 90.00 92.00 101.00 105.00 89.00 84.00 68.00 54.00 105.00
1966 55.00 61.00 75.00 78.00 98.00 92.00 97.00 100.00 98.00 83.00 65.00 58.00 100.00
1967 66.00 62.00 65.00 70.00 90.00 99.00 103.00 105.00 100.00 79.00 75.00 61.00 105.00
1968 65.00 67.00 67.00 88.00 87.00 99.00 108.00 99.00 94.00 84.00 60.00 61.00 108.00
1969 50.00 53.00 73.00 80.00 94.00 98.00 100.00 98.00 95.00 73.00 67.00 55.00 100.00
1970 53.00 59.00 65.00 69.00 90.00 102.00 102.00 101.00 93.00 85.00 64.00 61.00 102.00
1971 65.00 68.00 66.00 77.00 90.00 93.00 105.00 105.00 89.00 83.00 60.00 58.00 105.00
1972 63.00 70.00 73.00 80.00 92.00 97.00 99.00 ----- z 94.00 80.00 65.00 67.00 99.00
1973 56.00 63.00 68.00 77.00 94.00 100.00 103.00 102.00 94.00 77.00 65.00 58.00 103.00
1974 61.00 59.00 70.00 76.00 83.00 98.00 101.00 102.00 93.00 83.00 71.00 61.00 102.00
1975 57.00 65.00 64.00 70.00 84.00 93.00 106.00 95.00 93.00 83.00 76.00 a 65.00 106.00
1976 63.00 64.00 70.00 77.00 90.00 95.00 97.00 94.00 98.00 86.00 70.00 58.00 98.00
1977 58.00 65.00 71.00 94.00 78.00 97.00 100.00 105.00 87.00 80.00 69.00 61.00 105.00
1978 52.00 60.00 74.00 a 73.00 85.00 98.00 103.00 102.00 a 87.00 78.00 69.00 55.00 103.00
1979 39.00 d 60.00 73.00 78.00 ----- z 96.00 ----- z 96.00 93.00 84.00 60.00 a 59.00 a 96.00
1980 ----- z ----- z 63.00 86.00 86.00 86.00 100.00 95.00 91.00 88.00 68.00 65.00 100.00
1981 55.00 65.00 68.00 85.00 86.00 89.00 98.00 104.00 97.00 a 78.00 a 72.00 60.00 104.00
1982 54.00 69.00 70.00 78.00 84.00 96.00 102.00 104.00 91.00 74.00 68.00 65.00 104.00
1983 61.00 66.00 67.00 77.00 98.00 c 89.00 99.00 97.00 92.00 74.00 72.00 59.00 99.00
1984 62.00 61.00 69.00 78.00 ----- z 94.00 102.00 100.00 92.00 83.00 62.00 53.00 102.00
1985 40.00 62.00 68.00 81.00 92.00 98.00 102.00 ----- z 84.00 76.00 ----- z 45.00 a 102.00
1986 60.00 74.00 74.00 85.00 94.00 98.00 97.00 99.00 o 76.00 q 87.00 66.00 53.00 99.00
1987 56.00 62.00 74.00 90.00 97.00 100.00 102.00 102.00 100.00 85.00 65.00 65.00 102.00
1988 61.00 70.00 70.00 79.00 94.00 94.00 100.00 98.00 94.00 87.00 70.00 60.00 100.00
1989 62.00 53.00 70.00 79.00 84.00 93.00 95.00 100.00 92.00 79.00 73.00 60.00 100.00
1990 67.00 62.00 72.00 j 78.00 85.00 92.00 106.00 102.00 98.00 81.00 68.00 58.00 106.00
1991 59.00 63.00 67.00 78.00 77.00 91.00 101.00 98.00 ----- z 87.00 65.00 57.00 101.00
1992 63.00 62.00 ----- z 82.00 95.00 105.00 100.00 102.00 87.00 85.00 62.00 54.00 105.00
1993 53.00 50.00 63.00 k 74.00 95.00 ----- z 93.00 97.00 95.00 84.00 65.00 67.00 97.00
1994 62.00 65.00 76.00 84.00 ----- z 93.00 105.00 103.00 90.00 79.00 63.00 62.00 105.00
1995 63.00 71.00 69.00 75.00 90.00 91.00 100.00 96.00 92.00 73.00 69.00 60.00 100.00
1996 58.00 67.00 65.00 78.00 79.00 90.00 99.00 100.00 88.00 85.00 65.00 51.00 100.00
1997 55.00 64.00 73.00 73.00 87.00 89.00 98.00 100.00 90.00 77.00 64.00 62.00 100.00
1998 57.00 57.00 71.00 80.00 88.00 91.00 104.00 107.00 99.00 81.00 67.00 61.00 107.00
1999 61.00 64.00 69.00 79.00 90.00 96.00 100.00 97.00 90.00 79.00 78.00 61.00 100.00
2000 57.00 59.00 65.00 78.00 87.00 94.00 100.00 100.00 89.00 76.00 59.00 48.00 100.00
2001 57.00 56.00 72.00 83.00 96.00 93.00 99.00 100.00 92.00 83.00 69.00 59.00 100.00
2002 66.00 64.00 64.00 75.00 83.00 100.00 105.00 98.00 91.00 78.00 63.00 67.00 105.00
2003 64.00 62.00 77.00 78.00 90.00 96.00 106.00 99.00 97.00 85.00 68.00 50.00 106.00
2004 60.00 59.00 77.00 83.00 84.00 100.00 99.00 100.00 91.00 82.00 65.00 63.00 100.00
2005 64.00 62.00 75.00 ----- z 94.00 93.00 100.00 101.00 88.00 77.00 58.00 50.00 101.00
2006 60.00 i 59.00 66.00 82.00 95.00 102.00 106.00 97.00 92.00 81.00 72.00 57.00 106.00
2007 60.00 66.00 75.00 77.00 87.00 96.00 99.00 101.00 93.00 75.00 69.00 65.00 101.00
2008 57.00 64.00 64.00 77.00 95.00 100.00 99.00 99.00 88.00 82.00 70.00 55.00 100.00
2009 62.00 59.00 69.00 84.00 93.00 90.00 99.00 104.00 93.00 69.00 67.00 56.00 104.00
2010 62.00 61.00 69.00 79.00 85.00 87.00 100.00 100.00 87.00 83.00 69.00 55.00 100.00
2011 62.00 62.00 66.00 72.00 81.00 89.00 94.00 95.00 93.00 78.00 68.00 60.00 95.00
2012 60.00 61.00 72.00 87.00 89.00 86.00 104.00 101.00 ----- z 81.00 ----- z ----- z 104.00
2013 59.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 59.00
Period of Record Statistics
MEAN 58.81 62.57 69.94 79.31 89.23 95.60 101.51 100.64 92.58 80.95 66.65 58.56 103.12
S.D. 5.52 4.47 4.15 5.22 5.51 5.18 3.93 4.01 3.78 4.29 4.52 5.00 4.20
SKEW -1.53 -0.16 0.37 0.52 -0.23 0.40 0.40 1.44 0.09 -0.43 0.06 -0.40 1.23
MAX 67.00 74.00 81.00 94.00 100.00 110.00 112.00 118.00 100.00 89.00 78.00 67.00 118.00
MIN 39.00 50.00 63.00 69.00 77.00 86.00 93.00 94.00 84.00 69.00 57.00 45.00 95.00
NO YRS 54 54 52 55 53 55 55 53 53 56 54 55 41