PETERSONS RANCH, WASHINGTON

Monthly Average Temperature (Degrees Fahrenheit)

(451760)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1953 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1954 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1955 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1956 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1957 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1958 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1959 41.95 u 39.00 43.34 49.57 52.85 59.22 a 67.81 63.85 57.55 52.83 b 43.75 40.00 51.80
1960 34.56 40.52 42.56 46.85 52.06 61.22 69.68 62.92 a 60.82 53.79 42.68 40.05 50.64
1961 41.39 41.52 43.27 46.87 53.82 65.72 67.56 69.03 57.78 49.97 40.70 37.24 51.24
1962 36.05 41.36 40.53 50.17 49.84 59.60 64.02 63.37 61.73 53.29 45.68 40.69 50.53
1963 33.52 46.18 43.19 44.85 55.53 58.30 60.34 63.85 63.77 53.10 43.48 39.13 50.44
1964 37.56 40.97 40.95 45.93 51.76 57.80 64.02 61.65 57.20 53.84 40.92 34.94 48.96
1965 37.53 40.11 45.85 49.87 52.27 59.27 66.95 64.68 58.57 56.69 47.72 38.87 51.53
1966 37.34 39.64 42.84 50.26 a 56.47 58.68 63.18 64.31 62.22 51.84 44.70 40.56 51.00
1967 39.40 40.66 39.35 43.82 53.95 63.60 67.68 72.74 65.90 53.67 a 46.08 36.97 51.99
1968 37.10 45.19 46.97 48.95 55.55 61.12 67.73 64.55 60.93 51.37 45.83 35.10 51.70
1969 30.08 36.55 44.23 48.16 a 58.52 64.85 63.77 63.29 61.28 51.18 46.68 40.74 50.78
1970 37.53 45.02 45.03 44.22 54.29 64.95 67.11 65.68 57.62 51.56 45.17 37.21 51.28
1971 36.27 40.18 39.24 46.43 54.94 55.75 65.44 67.71 58.57 49.84 42.37 35.95 49.39
1972 34.60 38.64 44.37 43.71 a 56.94 60.78 67.10 67.69 56.87 52.23 44.77 33.68 50.11
1973 34.81 41.57 43.06 49.30 56.74 59.92 66.74 61.24 60.42 50.98 40.07 40.76 50.47
1974 33.76 38.16 41.16 46.35 50.42 60.33 64.34 c 66.26 64.62 54.68 45.23 39.89 50.43
1975 36.58 37.02 39.84 42.17 52.56 57.27 63.92 59.55 63.23 50.77 42.22 39.98 48.76
1976 39.52 38.57 39.55 46.92 55.05 56.97 62.18 61.27 61.07 52.77 46.95 39.53 50.03
1977 35.92 41.64 38.98 49.77 49.29 60.22 62.00 67.73 56.05 51.66 39.22 38.27 49.23
1978 37.89 40.50 45.84 45.80 50.63 61.22 64.48 63.15 56.20 54.31 38.52 32.69 49.27
1979 27.50 34.48 44.02 46.23 54.37 59.38 64.76 62.55 62.15 54.19 41.80 39.44 49.24
1980 31.85 38.50 39.98 49.00 53.68 n ----- z ----- z 60.22 d 59.31 c 54.39 d 44.07 40.23 46.40
1981 41.98 40.56 a 44.92 g 46.31 a 53.39 56.68 62.32 a 68.76 60.84 b 51.11 46.95 38.97 51.62
1982 34.87 38.21 b 42.90 a 44.98 55.13 63.03 a 65.10 65.45 61.63 52.79 41.13 38.32 50.30
1983 42.23 43.62 47.87 50.40 59.06 58.73 63.00 66.34 59.40 53.02 45.62 32.85 51.85
1984 40.42 42.86 46.58 46.05 51.84 57.12 65.81 64.94 59.72 48.94 42.42 34.66 50.11
1985 36.45 36.14 41.69 48.80 54.68 60.00 70.42 64.13 57.18 50.06 33.50 35.79 49.07
1986 42.11 40.16 48.69 45.97 54.71 63.12 60.82 70.47 58.68 57.21 45.72 40.24 52.33
1987 37.58 44.50 45.97 53.33 58.05 63.43 64.45 67.74 65.62 58.85 48.28 37.31 53.76
1988 37.81 43.05 44.47 50.57 54.05 59.90 66.50 65.95 62.43 58.56 43.70 40.27 52.27
1989 37.90 33.98 42.00 52.40 54.73 62.52 a 62.53 64.13 65.38 52.89 46.45 41.52 51.37
1990 40.45 36.73 46.68 52.82 54.31 60.32 69.40 67.60 64.42 49.85 44.22 32.73 51.63
1991 37.65 47.59 42.85 47.60 51.97 56.73 67.05 67.24 65.25 55.13 42.61 u 41.97 52.82
1992 42.71 48.28 52.63 53.42 62.42 65.73 68.40 69.00 61.33 55.65 44.40 36.23 55.02
1993 34.29 39.20 47.02 48.33 59.74 59.33 61.15 66.45 65.10 57.10 40.78 39.95 51.54
1994 43.11 38.54 47.65 52.28 57.97 59.75 68.44 66.50 65.63 51.73 38.30 38.73 52.38
1995 41.95 ----- z 45.73 48.53 ----- z 60.75 ----- z 64.05 ----- z 52.77 48.57 ----- z 51.76
1996 ----- z ----- z 45.45 50.12 52.06 60.52 71.28 a 68.11 59.45 52.56 44.55 a 38.15 54.23
1997 38.77 41.98 43.58 48.27 59.98 60.47 66.10 69.23 64.38 51.56 48.65 39.89 52.74
1998 39.90 43.82 46.37 50.88 54.18 62.30 69.85 68.87 65.93 54.21 45.65 37.24 53.27
1999 40.38 a 39.50 43.56 49.85 c 53.34 c 58.71 a 66.13 68.31 64.23 54.57 b 48.05 41.77 52.37
2000 37.85 a 42.84 44.59 c 53.57 55.53 b 63.12 66.37 a 65.53 61.89 b 53.82 41.95 40.03 52.26
2001 41.05 40.95 46.25 a 47.53 57.58 59.24 a 65.13 66.58 a 63.33 52.50 47.35 39.13 52.22
2002 38.90 42.07 42.00 49.43 54.02 63.38 67.95 66.77 64.20 53.71 49.12 41.92 52.79
2003 44.71 ----- z 45.06 48.47 56.10 64.72 69.71 67.94 64.45 ----- z 42.33 39.95 54.34
2004 38.06 43.10 48.26 52.45 55.52 62.65 69.47 69.18 60.77 54.85 45.90 41.92 53.51
2005 40.76 45.68 49.34 50.17 58.82 58.92 67.31 69.35 60.50 54.24 43.77 38.52 53.11
2006 41.31 40.30 43.02 50.75 ----- z 63.75 69.32 67.44 63.92 52.05 43.42 40.05 52.30
2007 37.00 41.84 47.31 49.80 57.23 61.27 68.61 66.19 60.43 51.23 43.80 ----- z 53.15
2008 35.21 40.47 42.11 44.12 56.10 58.62 a 66.44 67.68 63.22 53.44 48.33 35.56 50.94
2009 37.15 e 40.80 40.39 48.43 57.40 62.63 72.03 67.35 64.70 50.87 43.67 36.05 51.79
2010 43.55 45.00 46.56 47.80 52.68 59.02 66.66 66.87 62.23 55.11 43.47 41.13 52.51
2011 39.77 39.00 42.68 44.50 52.61 59.37 63.94 67.66 b 66.86 a 54.20 a 43.52 40.21 51.19
2012 39.67 b 42.60 41.74 49.74 g 55.16 l 58.62 f 66.86 j 69.89 h 64.22 g 53.98 b 47.48 c 34.11 43.27
2013 37.33 e 31.09 46.36 c 60.50 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 38.26
Period of Record Statistics
MEAN 37.99 40.78 44.10 48.36 54.86 60.61 66.13 66.02 61.67 53.16 44.14 38.41 51.30
S.D. 3.39 3.34 2.93 2.76 2.79 2.48 2.79 2.72 2.92 2.16 3.07 2.58 1.43
SKEW -0.56 -0.24 0.30 -0.05 0.33 0.25 -0.09 -0.29 -0.18 0.51 -0.83 -0.71 0.17
MAX 44.71 48.28 52.63 53.57 62.42 65.73 72.03 72.74 66.86 58.85 49.12 41.97 55.02
MIN 27.50 31.09 38.98 42.17 49.29 55.75 60.34 59.55 56.05 48.94 33.50 32.69 48.76
NO YRS 53 52 54 53 50 52 51 53 52 53 53 52 44