ELTOPIA 8 WSW, WASHINGTON

Monthly Average 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 44.71 51.05 55.61 67.20 69.50 69.81 63.92 51.13 42.48 37.47 55.29
1975 32.39 34.32 42.02 46.12 56.63 62.30 73.34 66.40 63.33 51.73 40.12 34.79 b 50.29
1976 35.10 38.07 42.28 a 49.50 57.16 61.22 69.32 67.34 64.93 a 50.52 a 40.80 32.26 50.71
1977 25.45 41.20 43.97 54.35 54.81 67.60 68.14 b 72.76 58.80 51.32 39.32 35.08 51.07
1978 31.89 38.64 46.95 50.12 55.88 a 65.43 70.10 67.79 60.50 50.27 32.87 29.58 50.00
1979 14.44 35.43 46.44 51.12 60.19 65.88 70.95 69.94 65.18 55.00 35.35 37.11 50.59
1980 25.11 35.93 43.66 53.95 59.08 61.83 69.52 65.71 63.88 a 51.39 41.67 37.32 50.75
1981 37.45 39.07 46.89 51.20 57.50 61.92 68.58 72.87 62.93 50.61 42.37 d 32.89 52.02
1982 29.66 38.66 44.19 47.52 57.15 67.23 69.08 69.44 61.53 50.05 36.02 32.53 50.25
1983 38.56 41.75 48.26 49.90 60.18 62.45 67.73 71.23 58.82 51.94 44.68 23.44 51.58
1984 32.82 39.71 47.18 49.02 54.60 63.12 70.53 69.61 58.95 48.21 39.98 26.27 50.00
1985 25.61 30.77 42.98 52.30 58.84 64.20 73.76 66.42 57.18 49.34 24.97 20.50 47.24
1986 32.44 38.07 47.24 49.55 59.74 68.92 66.26 72.97 59.40 52.98 41.88 31.69 51.76
1987 29.58 39.14 46.71 ----- z 61.18 65.93 c 68.44 69.05 64.92 52.02 42.15 31.08 51.83
1988 30.87 39.76 43.97 53.20 58.13 64.58 70.23 69.08 61.82 57.65 43.57 31.15 52.00
1989 36.94 25.18 43.53 54.02 57.63 66.78 69.23 68.13 62.58 51.55 43.25 32.34 50.93
1990 39.60 37.04 45.65 53.92 57.10 64.67 72.58 69.77 66.50 49.65 44.53 25.06 52.17
1991 28.45 43.25 43.10 50.77 55.95 61.00 70.27 72.21 63.80 50.74 40.15 36.44 51.34
1992 37.66 41.40 48.48 52.95 61.24 69.33 70.16 69.52 59.93 52.71 39.83 30.13 52.78
1993 21.69 29.02 41.87 50.35 62.84 63.70 64.84 67.35 61.78 52.69 34.15 34.65 48.74
1994 38.21 35.71 47.18 54.58 60.29 63.58 72.32 69.58 64.95 51.40 38.75 34.45 52.58
1995 33.13 41.66 43.97 50.15 60.06 63.65 69.84 66.05 64.93 49.98 43.60 33.03 51.67
1996 29.89 31.95 43.65 52.53 54.53 63.03 71.74 69.13 60.18 50.53 37.47 29.76 49.53
1997 32.65 39.00 45.81 49.30 60.58 62.93 69.63 72.08 63.50 51.26 41.28 33.60 51.80
1998 35.31 41.86 45.98 50.45 58.63 65.02 74.98 72.11 66.43 50.58 45.13 33.05 53.29
1999 38.35 41.34 45.18 49.23 54.66 62.88 68.24 71.73 61.78 51.03 45.10 38.26 52.32
2000 34.00 38.95 44.27 54.00 58.34 64.73 69.27 68.92 60.65 50.92 33.88 29.42 50.61
2001 32.53 36.21 45.24 49.28 59.37 61.97 70.06 71.42 64.37 51.39 42.17 35.31 51.61
2002 37.47 38.86 41.74 51.07 56.52 65.63 72.37 69.05 62.18 49.10 40.25 37.89 51.84
2003 38.73 39.71 49.32 51.83 ----- z 66.75 73.05 71.10 e 65.53 55.94 37.70 33.84 53.05
2004 27.85 37.33 49.53 53.42 58.79 65.68 72.89 72.58 62.07 53.98 39.92 35.79 52.49
2005 30.61 37.70 48.44 52.17 61.15 64.13 71.94 70.68 60.88 53.71 38.68 27.89 51.50
2006 39.55 ----- z 44.05 51.92 59.82 66.65 74.03 70.35 63.25 51.40 40.30 30.18 53.77
2007 29.85 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 29.85
Period of Record Statistics
MEAN 32.24 37.63 45.29 51.28 58.26 64.60 70.39 69.76 62.47 51.60 39.83 32.25 51.15
S.D. 5.65 4.01 2.21 2.09 2.23 2.19 2.27 2.09 2.41 1.95 4.19 4.22 1.28
SKEW -0.99 -1.35 0.21 -0.27 -0.07 0.32 -0.07 -0.20 -0.26 1.21 -1.49 -0.87 -1.00
MAX 39.60 43.25 49.53 54.58 62.84 69.33 74.98 72.97 66.50 57.65 45.13 38.26 53.29
MIN 14.44 25.18 41.74 46.12 54.53 61.00 64.84 65.71 57.18 48.21 24.97 20.50 47.24
NO YRS 33 31 33 32 32 33 33 33 33 33 33 33 29