SEATTLE SAND PT WSFO, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(457470)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200601
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
1986 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 71.00 57.00 55.00 a 71.00
1987 61.00 63.00 68.00 83.00 82.00 87.00 83.00 87.00 87.00 87.00 64.00 56.00 87.00
1988 54.00 60.00 66.00 75.00 85.00 82.00 89.00 88.00 93.00 75.00 61.00 57.00 93.00
1989 53.00 ----- z ----- z 77.00 76.00 84.00 81.00 82.00 87.00 73.00 63.00 58.00 87.00
1990 55.00 66.00 67.00 74.00 78.00 81.00 ----- z 93.00 92.00 66.00 65.00 52.00 93.00
1991 56.00 64.00 63.00 ----- z 67.00 76.00 93.00 86.00 84.00 81.00 60.00 53.00 93.00
1992 59.00 66.00 68.00 78.00 82.00 87.00 87.00 90.00 81.00 74.00 58.00 53.00 90.00
1993 56.00 64.00 65.00 71.00 82.00 80.00 78.00 90.00 90.00 80.00 60.00 a 62.00 90.00
1994 55.00 58.00 73.00 71.00 77.00 78.00 96.00 88.00 86.00 72.00 53.00 57.00 96.00
1995 62.00 59.00 71.00 72.00 84.00 92.00 88.00 82.00 81.00 71.00 66.00 60.00 92.00
1996 55.00 62.00 67.00 76.00 70.00 77.00 90.00 91.00 76.00 76.00 ----- z 53.00 91.00
1997 56.00 58.00 64.00 71.00 77.00 76.00 88.00 87.00 87.00 ----- z 66.00 58.00 88.00
1998 63.00 61.00 70.00 74.00 77.00 79.00 ----- z ----- z ----- z ----- z ----- z 55.00 79.00
1999 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 82.00 85.00 70.00 63.00 55.00 85.00
2000 55.00 60.00 63.00 68.00 73.00 89.00 85.00 84.00 86.00 78.00 60.00 56.00 89.00
2001 59.00 59.00 67.00 72.00 84.00 78.00 82.00 87.00 79.00 74.00 a 60.00 a 54.00 87.00
2002 58.00 64.00 58.00 66.00 82.00 92.00 88.00 91.00 81.00 71.00 64.00 57.00 92.00
2003 58.00 53.00 66.00 65.00 77.00 88.00 92.00 85.00 88.00 73.00 57.00 56.00 92.00
2004 55.00 64.00 78.00 82.00 78.00 87.00 93.00 91.00 76.00 73.00 61.00 57.00 93.00
2005 64.00 62.00 69.00 74.00 89.00 78.00 86.00 87.00 ----- z 71.00 56.00 56.00 89.00
2006 55.00 ----- z ----- z 72.00 82.00 87.00 c 83.00 j ----- z ----- z ----- z ----- z ----- z 87.00
Period of Record Statistics
MEAN 57.32 61.35 67.24 73.39 79.05 83.05 87.44 87.28 84.65 74.22 60.78 56.00 91.00
S.D. 3.22 3.37 4.44 4.78 5.37 5.41 4.86 3.36 5.04 4.83 3.64 2.45 2.72
SKEW 0.77 -0.69 0.39 0.27 -0.45 0.22 -0.17 -0.18 -0.20 1.00 -0.33 0.53 0.03
MAX 64.00 66.00 78.00 83.00 89.00 92.00 96.00 93.00 93.00 87.00 66.00 62.00 96.00
MIN 53.00 53.00 58.00 65.00 67.00 76.00 78.00 82.00 76.00 66.00 53.00 52.00 87.00
NO YRS 19 17 17 18 19 19 16 18 17 18 18 20 11