ELTOPIA 8 WSW, WASHINGTON

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(452542)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 200701
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
1974 ----- z ----- z 56.19 63.10 68.65 82.60 84.71 86.19 80.60 64.00 49.67 45.23 68.09
1975 39.32 42.50 52.94 59.83 71.68 76.33 88.74 81.29 80.60 63.32 49.97 42.62 b 62.43
1976 43.03 48.62 54.90 a 62.47 72.58 76.10 85.19 81.45 80.38 a 64.03 a 49.93 39.58 63.19
1977 29.52 51.25 55.81 69.60 67.61 82.80 83.79 b 88.45 71.23 64.74 48.37 41.97 62.93
1978 37.94 45.89 59.55 62.47 69.80 a 80.70 85.84 82.16 73.93 65.10 41.83 37.10 61.86
1979 21.71 43.39 59.87 64.47 75.10 81.07 87.58 84.97 80.30 67.55 41.27 43.81 62.59
1980 31.19 41.97 55.29 68.30 71.74 74.70 85.45 82.06 78.24 a 63.52 49.17 42.87 62.04
1981 42.26 47.43 60.06 65.20 71.13 75.90 84.81 90.29 78.03 63.52 51.85 c 39.48 64.16
1982 37.71 48.89 56.68 62.47 72.26 82.03 85.45 85.03 75.17 62.00 44.43 38.97 62.59
1983 46.23 51.46 59.00 64.97 75.97 76.13 82.48 85.84 73.13 63.90 52.07 29.06 63.35
1984 38.94 47.55 58.61 61.43 68.35 76.47 86.87 85.03 72.73 61.19 47.23 33.61 61.50
1985 29.19 40.75 56.55 67.63 74.16 80.13 91.39 81.84 70.13 62.19 33.70 24.90 59.38
1986 39.29 46.46 59.55 63.80 73.61 83.70 80.58 88.61 71.60 66.29 48.23 35.94 63.14
1987 35.87 48.36 58.10 ----- z 75.42 81.82 b 82.65 84.71 80.73 66.19 50.93 37.23 63.82
1988 37.48 52.14 56.81 66.43 72.81 78.20 86.06 84.68 76.30 69.81 51.40 36.52 64.05
1989 44.87 34.36 53.48 67.60 70.74 80.40 84.58 81.52 77.50 63.19 51.43 36.61 62.19
1990 47.35 46.79 58.94 67.40 69.65 78.53 86.94 82.61 82.07 60.71 53.77 33.13 63.99
1991 35.19 52.93 54.52 63.80 67.68 73.17 85.06 85.94 78.53 62.97 46.00 42.42 62.35
1992 43.58 48.45 61.58 64.70 76.87 84.10 83.52 84.23 73.10 64.35 46.17 36.29 63.91
1993 28.13 35.68 51.10 62.30 76.23 76.70 77.32 81.16 77.17 65.00 44.77 38.32 59.49
1994 46.19 43.54 60.81 67.07 73.32 77.50 88.55 84.65 79.63 63.23 46.93 41.13 64.38
1995 39.68 50.79 55.97 62.60 73.77 75.77 84.19 80.35 78.67 60.94 51.80 37.16 62.64
1996 36.06 40.62 54.94 64.53 66.84 77.13 87.16 84.52 74.17 61.29 45.37 35.90 60.71
1997 39.29 47.04 56.45 61.57 73.74 75.60 83.68 85.74 75.70 62.61 48.60 39.52 62.46
1998 42.48 50.61 57.32 64.17 70.84 78.37 89.03 86.97 80.03 62.87 52.47 41.10 64.69
1999 46.13 50.50 56.84 63.30 68.94 76.43 83.03 85.13 77.47 63.03 53.13 44.10 64.00
2000 40.48 47.10 55.81 67.40 71.00 78.80 84.61 83.77 72.70 61.77 40.43 33.23 61.43
2001 37.23 44.79 57.71 61.07 75.00 75.23 84.71 86.35 79.43 62.23 49.37 41.61 62.89
2002 44.87 49.21 53.55 64.10 69.45 78.70 87.13 83.23 76.37 62.45 48.67 42.94 63.39
2003 44.13 49.82 60.52 63.87 ----- z 81.47 89.26 85.81 e 80.13 67.58 46.87 39.10 64.41
2004 32.35 45.28 62.97 68.17 71.29 79.53 87.81 86.48 75.40 64.68 48.63 42.13 63.73
2005 36.26 50.18 62.23 64.50 74.13 78.27 87.29 87.23 75.40 63.87 45.87 33.65 63.24
2006 46.84 ----- z 56.06 65.33 74.13 81.30 90.42 86.55 77.83 63.42 47.73 34.94 65.87
2007 36.71 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 36.71
Period of Record Statistics
MEAN 38.71 46.59 57.29 64.55 72.01 78.66 85.63 84.69 76.80 63.74 47.82 38.25 62.71
S.D. 6.13 4.53 2.80 2.41 2.75 2.84 2.84 2.39 3.22 2.03 4.19 4.50 1.31
SKEW -0.71 -1.02 0.05 0.23 -0.12 0.20 -0.46 0.10 -0.35 1.03 -1.29 -0.84 -0.99
MAX 47.35 52.93 62.97 69.60 76.87 84.10 91.39 90.29 82.07 69.81 53.77 45.23 64.69
MIN 21.71 34.36 51.10 59.83 66.84 73.17 77.32 80.35 70.13 60.71 33.70 24.90 59.38
NO YRS 33 31 33 32 32 33 33 33 33 33 33 33 29