WHITMAN MISSION, WASHINGTON

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(459200)

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
1962 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 64.45 54.73 47.29 55.49
1963 38.03 48.46 58.94 60.53 73.32 81.33 84.90 89.84 84.43 70.10 53.60 37.77 65.11
1964 49.03 52.93 54.45 62.40 70.81 79.93 88.97 84.06 77.50 64.90 47.17 40.48 64.39
1965 42.45 51.89 54.45 66.77 71.87 80.57 90.32 87.65 75.80 71.03 53.00 a 44.40 a 65.85
1966 43.87 48.43 57.19 66.30 76.29 78.37 86.03 88.16 82.73 67.52 53.41 a 48.77 66.42
1967 52.03 a 53.39 55.87 58.00 71.68 83.93 92.58 96.61 86.40 68.48 51.83 44.77 67.97
1968 47.23 51.38 60.55 61.73 72.42 81.07 93.13 83.94 78.53 63.55 50.90 41.00 65.45
1969 28.58 41.57 56.65 62.93 76.45 84.87 88.10 86.52 79.03 62.13 52.83 41.58 63.44
1970 40.13 48.61 55.13 58.93 73.42 85.13 91.61 91.03 73.27 63.26 50.52 a 44.90 64.66
1971 49.70 a 51.11 53.23 63.00 73.58 75.03 91.74 93.48 73.73 63.48 52.67 45.94 65.56
1972 41.71 45.28 59.16 60.40 74.83 a 81.43 88.10 90.81 72.92 d 64.77 50.20 36.52 63.84
1973 40.42 45.89 58.29 65.47 75.97 80.63 90.71 88.06 77.57 65.29 47.73 47.90 65.33
1974 36.74 53.04 57.03 b 61.13 68.48 84.57 87.42 89.00 82.77 67.68 52.83 47.52 65.68
1975 42.35 44.11 52.45 58.10 70.45 77.37 91.32 84.29 81.83 63.81 52.73 44.74 63.63
1976 45.26 48.79 53.94 60.63 74.00 77.03 88.55 82.42 83.37 66.94 50.47 42.52 64.49
1977 30.03 50.50 55.19 70.20 67.97 85.90 87.32 93.00 74.17 64.94 50.73 43.97 64.49
1978 38.52 47.21 58.87 61.90 69.97 83.07 88.81 84.10 74.67 68.13 44.07 40.19 63.29
1979 22.39 45.86 58.39 62.90 74.19 83.13 90.84 88.10 83.64 b 68.32 42.37 46.74 63.91
1980 33.35 42.41 53.48 67.57 70.61 75.47 88.77 84.29 78.40 64.24 b 50.00 45.87 a 62.87
1981 40.82 c 47.79 58.19 63.43 70.42 75.57 86.42 93.27 a 80.70 63.39 53.34 a 44.26 64.80
1982 42.81 48.57 56.16 61.20 71.61 83.97 88.68 87.84 74.70 61.90 43.83 41.52 63.57
1983 47.65 50.25 57.42 63.00 75.61 78.37 85.35 90.26 75.33 64.77 55.20 30.84 64.50
1984 41.12 n 46.86 57.55 60.87 67.74 77.47 91.71 88.90 77.50 j 62.84 50.83 36.94 64.17
1985 30.90 43.14 57.42 68.90 75.23 83.13 97.39 85.35 72.63 ----- z 36.20 26.23 61.50
1986 41.13 47.43 60.19 63.33 71.77 87.30 85.74 94.42 73.93 68.42 51.33 37.06 65.17
1987 36.97 47.39 58.23 69.33 76.90 83.97 85.45 87.74 84.17 70.16 53.82 b 42.42 66.38
1988 40.74 51.97 57.94 65.83 71.65 78.80 89.71 88.16 79.23 72.48 54.53 39.97 65.92
1989 45.23 31.96 51.77 66.53 70.03 82.77 87.65 84.94 81.10 66.03 54.73 39.65 63.53
1990 47.00 45.93 58.16 69.40 69.71 78.27 92.52 88.19 85.93 64.29 55.83 34.48 65.81
1991 37.45 55.43 54.00 64.53 68.13 74.17 88.52 91.61 83.00 67.71 47.37 43.13 64.59
1992 46.26 51.07 61.39 67.77 78.42 86.60 86.06 90.06 75.70 66.65 47.53 41.10 66.55
1993 30.81 35.75 51.00 63.33 75.48 76.60 79.94 84.52 81.27 68.77 46.90 42.35 61.39
1994 48.06 44.57 61.32 68.23 74.68 80.73 93.77 89.26 83.60 64.94 49.13 43.74 66.84
1995 38.29 53.00 57.39 62.73 73.00 77.03 88.03 84.52 82.53 61.90 53.43 40.55 64.37
1996 41.97 41.79 54.74 65.83 67.61 79.20 92.42 89.35 76.70 65.00 48.19 i 39.90 a 64.96
1997 38.94 o 48.57 58.03 62.57 75.16 77.80 87.03 91.03 79.80 65.35 49.33 42.58 67.02
1998 45.17 b 51.96 57.39 63.57 ----- z 79.93 ----- z ----- z 84.20 ----- z ----- z 44.80 a 61.00
1999 48.87 52.29 57.13 63.20 69.77 79.30 87.58 89.03 79.90 65.23 55.97 45.52 66.15
2000 42.16 47.79 56.03 68.00 71.94 79.87 88.39 88.55 75.97 62.87 41.87 36.58 63.33
2001 37.58 45.07 57.81 61.77 75.42 76.93 87.55 90.97 83.30 64.71 50.47 43.81 64.61
2002 44.90 49.79 51.32 64.60 70.55 81.60 92.06 85.74 79.20 63.77 49.13 45.03 64.81
2003 45.87 49.21 60.32 62.90 70.97 83.37 93.26 90.55 81.77 70.48 48.43 41.13 66.52
2004 32.45 46.79 63.06 66.73 70.61 81.50 91.71 90.03 77.70 66.90 50.87 44.45 65.23
2005 40.06 50.57 61.55 64.80 73.87 78.10 91.55 91.55 78.90 66.58 47.40 35.74 65.06
2006 51.55 46.46 56.00 64.03 74.03 80.83 94.45 89.35 80.40 65.48 51.37 37.23 65.93
2007 38.90 46.14 59.03 64.07 74.77 81.07 93.39 87.68 79.03 63.35 50.17 43.13 65.06
2008 40.39 49.17 54.97 61.33 72.68 78.83 89.87 88.74 79.30 64.94 51.57 35.19 63.91
2009 40.90 43.21 52.16 63.47 73.55 81.57 92.84 89.39 83.13 60.06 53.77 33.42 63.96
2010 44.90 49.82 59.39 63.57 67.81 76.37 88.84 87.42 77.27 65.10 46.60 39.97 63.92
2011 45.33 a 46.18 57.30 a 57.97 66.23 75.33 84.48 90.55 83.20 64.16 51.96 b 39.67 a 63.53
2012 46.11 c 45.38 55.65 66.00 71.58 75.63 89.84 92.00 81.76 a 65.29 51.04 b 38.03 64.86
2013 33.00 a 51.25 h 58.80 f 73.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 33.00
Period of Record Statistics
MEAN 41.14 47.64 56.87 63.83 72.31 80.22 89.42 88.70 79.51 65.64 50.32 41.24 64.82
S.D. 6.31 4.33 2.79 3.04 2.83 3.31 3.16 3.05 3.73 2.61 3.92 4.55 1.23
SKEW -0.70 -1.20 -0.17 0.13 -0.09 0.17 -0.20 0.08 -0.19 0.55 -1.28 -0.89 0.00
MAX 52.03 55.43 63.06 70.20 78.42 87.30 97.39 96.61 86.40 72.48 55.97 48.77 67.97
MIN 22.39 31.96 51.00 57.97 66.23 74.17 79.94 82.42 72.63 60.06 36.20 26.23 61.39
NO YRS 49 50 50 50 49 50 49 49 49 49 49 51 45