PETERSONS RANCH, WASHINGTON

Monthly Average Minimum 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 37.73 t 34.61 36.97 40.30 43.87 50.52 a 54.39 50.94 49.50 44.77 a 35.93 35.13 43.36
1960 29.87 34.48 34.65 38.57 43.87 48.63 54.10 51.47 a 50.07 45.06 36.47 33.97 41.77
1961 35.13 36.75 36.84 38.63 44.97 52.30 53.61 54.65 45.93 40.45 32.80 32.00 42.01
1962 30.23 34.29 33.58 39.93 41.94 46.97 50.39 52.10 50.03 44.06 39.30 35.39 41.52
1963 26.90 38.43 35.42 38.30 44.35 48.63 49.16 52.26 52.10 44.52 37.37 33.77 41.77
1964 32.55 33.41 34.03 37.53 41.58 47.90 52.87 50.48 46.80 43.94 35.07 29.71 40.49
1965 32.55 34.36 35.42 39.67 41.90 46.30 52.29 52.87 45.53 47.84 42.80 34.68 42.18
1966 33.52 33.82 35.10 40.14 a 42.55 46.87 50.55 49.90 50.37 41.55 38.00 35.71 41.51
1967 33.94 32.61 31.77 34.17 40.68 50.83 52.68 55.81 50.90 46.13 a 39.77 31.87 41.76
1968 32.16 36.69 38.42 38.03 44.90 49.90 54.35 53.32 51.43 43.32 39.70 30.29 42.71
1969 25.87 31.32 34.03 39.00 a 46.35 55.27 49.97 50.45 50.23 42.48 40.03 36.45 41.79
1970 32.90 36.71 35.97 36.23 41.48 52.03 52.13 51.06 47.30 42.84 39.90 33.55 41.84
1971 31.52 34.61 32.26 37.03 43.61 46.57 52.58 53.68 47.63 41.61 37.60 32.68 40.95
1972 29.97 32.52 36.84 35.97 a 45.10 50.83 52.65 52.97 45.33 42.06 38.80 28.13 40.93
1973 29.52 34.25 35.48 38.07 45.35 49.33 52.61 48.10 49.30 43.42 34.60 36.35 41.37
1974 28.58 33.57 34.06 38.53 41.42 49.97 53.46 c 54.74 53.57 45.32 40.83 36.48 42.55
1975 32.87 31.64 33.16 33.80 41.90 47.43 53.03 50.52 52.40 44.16 36.73 34.74 41.03
1976 34.87 32.59 31.74 37.30 43.32 46.93 50.81 53.06 51.67 44.23 41.00 35.10 41.88
1977 30.29 35.50 33.10 38.87 41.48 49.30 50.23 55.61 47.63 43.74 34.70 35.06 41.29
1978 34.84 36.14 37.68 38.17 42.42 51.07 53.58 53.23 49.83 44.90 32.63 28.32 41.90
1979 23.39 29.86 35.61 39.23 44.52 47.17 53.10 52.13 52.07 47.06 37.13 36.23 41.46
1980 27.03 34.24 34.81 39.90 43.18 n ----- z ----- z 50.36 c 49.74 c 46.04 c 40.07 36.39 39.84
1981 38.03 35.33 a 38.50 g 39.72 a 46.52 49.13 51.63 a 56.16 52.00 b 44.19 42.50 35.97 44.65
1982 32.29 34.04 b 37.00 a 37.47 46.52 54.45 a 56.74 56.35 53.37 46.84 36.87 34.84 43.90
1983 37.45 38.93 42.00 40.80 48.06 49.93 54.00 55.26 48.57 43.52 41.00 28.42 43.99
1984 35.03 36.76 39.65 38.03 42.77 46.77 51.10 50.19 48.87 41.68 37.50 29.81 41.51
1985 30.39 29.25 32.42 38.83 43.39 47.20 53.71 50.90 46.90 41.03 27.40 28.84 39.19
1986 36.23 33.50 38.74 36.30 44.42 49.60 49.10 55.00 48.70 47.19 40.13 35.58 42.87
1987 32.48 37.89 39.13 42.73 46.81 50.30 53.10 53.26 52.70 45.52 42.80 32.55 44.11
1988 33.03 35.45 35.87 41.47 44.48 48.40 52.90 51.84 49.97 49.77 38.97 34.61 43.06
1989 33.03 27.71 36.03 41.50 43.68 50.17 a 50.77 52.74 50.77 43.55 40.83 35.42 42.18
1990 35.61 30.75 37.16 42.63 44.84 49.90 54.90 54.13 51.70 40.26 37.90 27.32 42.26
1991 32.06 39.32 34.68 38.93 43.10 46.57 52.65 52.81 50.53 42.81 37.78 u 38.52 42.91
1992 38.32 41.59 41.42 44.80 48.81 52.10 55.52 54.06 49.93 46.87 39.27 31.94 45.39
1993 29.94 32.54 38.55 41.23 49.29 49.30 52.35 53.84 50.47 47.58 33.70 34.39 42.76
1994 37.39 32.39 37.74 43.90 46.55 47.70 52.87 52.19 53.20 42.19 32.87 33.97 42.75
1995 36.65 ----- z 36.52 39.00 ----- z 49.37 ----- z 51.77 ----- z 44.84 43.17 35.94 42.16
1996 34.23 32.93 36.52 41.57 43.23 48.23 56.80 a 54.48 49.07 45.03 39.03 33.81 42.91
1997 34.03 34.46 36.35 39.73 48.42 49.97 53.19 56.29 53.70 44.19 42.63 35.39 44.03
1998 35.19 38.04 38.68 41.13 46.84 51.63 58.29 54.81 52.20 46.39 41.70 32.42 44.78
1999 35.63 a 34.25 36.71 37.93 c 42.21 c 49.14 a 52.71 56.87 50.53 45.38 b 42.10 36.52 43.33
2000 33.57 a 37.10 36.21 c 42.17 45.62 b 49.87 52.47 a 50.71 51.43 b 45.94 35.90 35.55 43.04
2001 35.77 33.93 37.63 a 38.90 44.65 48.31 a 53.19 54.43 a 51.00 44.23 41.97 34.42 43.20
2002 35.00 35.39 33.94 39.83 43.61 52.10 54.06 52.10 50.13 44.00 42.60 37.03 43.32
2003 39.65 ----- z 38.81 40.37 46.61 51.97 53.90 52.77 50.97 ----- z 36.23 35.84 44.71
2004 33.52 37.03 39.00 39.83 45.16 51.00 55.77 57.55 51.63 46.97 39.57 37.39 44.54
2005 35.48 35.82 39.81 42.13 50.06 49.87 54.71 55.26 47.60 47.42 38.50 34.06 44.23
2006 37.10 33.21 36.65 40.27 ----- z 52.47 55.58 53.32 51.33 42.94 38.43 35.68 43.36
2007 31.26 36.46 39.48 41.20 45.19 49.53 56.23 53.61 48.67 43.55 37.67 ----- z 43.90
2008 30.84 34.31 34.45 36.30 45.77 47.93 a 52.87 55.71 50.40 44.26 42.63 30.77 42.19
2009 32.12 e 34.79 33.16 36.97 44.52 51.93 57.55 54.74 52.90 43.39 38.53 30.65 42.60
2010 38.65 37.79 37.42 38.83 43.97 49.07 54.10 53.90 53.60 46.94 38.40 37.10 44.15
2011 35.32 33.39 37.61 36.57 43.13 49.63 52.23 54.86 b 55.52 a 47.80 a 37.97 34.61 43.22
2012 34.69 b 37.31 35.23 41.17 g 44.16 l 49.42 f 55.67 j 55.96 h 51.13 g 45.72 b 42.56 c 30.48 37.66
2013 32.19 e 26.89 37.96 c 43.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 32.35
Period of Record Statistics
MEAN 33.16 34.55 36.29 39.22 44.52 49.58 53.21 53.24 50.34 44.56 38.54 33.81 42.49
S.D. 3.32 2.81 2.37 2.23 2.19 2.01 2.01 2.06 2.23 2.07 3.22 2.74 1.25
SKEW -0.55 -0.32 0.10 0.03 0.51 0.50 0.26 -0.13 -0.27 0.09 -0.90 -0.76 0.07
MAX 39.65 41.59 42.00 44.80 50.06 55.27 58.29 57.55 55.52 49.77 43.17 38.52 45.39
MIN 23.39 26.89 31.74 33.80 40.68 46.30 49.10 48.10 45.33 40.26 27.40 27.32 39.19
NO YRS 54 53 54 53 50 52 51 53 52 53 53 53 45