PORTLAND WB CITY, OREGON

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(356749)

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
1973 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 76.00 74.93 61.77 48.50 49.29 62.10
1974 42.77 47.79 54.77 59.20 63.77 75.67 78.45 80.39 82.27 67.26 54.57 49.10 63.00
1975 47.13 47.61 52.39 56.43 69.03 71.37 79.94 74.42 79.63 59.45 51.37 48.45 61.43
1976 48.23 48.93 52.71 60.73 68.32 71.00 79.03 74.74 74.60 64.65 56.57 46.61 62.18
1977 45.03 53.64 52.61 66.47 62.39 76.63 77.81 84.35 69.97 64.06 50.23 ----- z 63.93
1978 46.58 52.82 61.03 60.50 b 67.03 78.50 81.61 78.87 a 69.83 67.39 48.40 42.71 62.94
1979 36.26 47.57 60.32 61.60 70.35 76.40 82.77 ----- z ----- z ----- z 50.83 50.33 d 59.61
1980 41.45 50.14 53.65 65.07 66.48 68.50 80.42 77.03 74.57 65.68 53.77 50.10 62.24
1981 50.65 52.11 57.97 61.23 66.42 71.17 79.10 85.13 75.30 62.00 55.87 47.32 63.69
1982 44.35 49.39 55.58 58.93 69.10 76.37 76.84 79.48 73.20 62.94 50.07 46.29 61.88
1983 49.84 52.61 57.45 63.37 71.45 70.30 75.13 78.71 72.07 63.23 52.53 39.97 62.22
1984 49.13 52.69 58.77 57.77 64.45 70.40 79.90 79.13 72.27 58.32 51.03 41.65 61.29
1985 42.71 ----- z 52.61 62.17 66.55 73.93 85.35 78.19 68.93 60.45 ----- z 40.19 63.11
1986 50.42 50.64 60.52 58.53 66.13 a 76.50 73.65 84.32 68.50 66.26 52.47 46.10 62.84
1987 46.16 52.57 56.45 64.80 69.97 77.60 75.19 82.06 77.03 70.10 54.87 43.35 64.18
1988 44.39 53.03 55.94 60.97 65.26 72.33 79.90 79.13 75.80 65.87 51.33 46.81 62.56
1989 47.00 42.36 52.19 66.33 67.16 74.70 74.06 74.71 78.20 62.77 53.80 45.52 61.57
1990 47.77 47.39 58.58 63.93 ----- z 72.07 82.26 80.71 76.77 60.39 53.37 39.61 62.08
1991 46.58 57.43 53.26 58.33 61.65 67.67 ----- z 79.61 79.27 65.32 52.37 47.00 60.77
1992 50.06 55.59 63.61 63.27 75.84 77.73 81.71 82.71 73.23 64.65 51.93 42.90 65.27
1993 41.55 46.79 56.42 58.67 70.94 70.63 71.23 78.26 77.60 65.87 46.77 46.61 60.94
1994 49.68 47.43 59.52 61.93 69.10 70.97 82.29 79.03 76.87 62.26 46.50 47.65 62.77
1995 48.19 54.50 56.68 59.53 70.58 72.80 79.58 76.55 75.53 61.65 56.70 47.29 63.30
1996 45.55 49.00 56.16 61.57 62.26 73.40 83.16 80.61 70.53 61.42 51.40 46.68 61.81
1997 45.81 50.93 54.48 59.27 72.87 71.53 79.16 82.16 75.20 60.06 56.00 45.81 62.77
1998 48.00 52.46 56.29 61.97 62.45 72.40 80.39 81.74 78.40 62.00 52.67 45.42 62.85
1999 47.39 48.96 52.84 60.33 63.48 69.27 77.42 78.19 77.27 64.81 56.27 55.06 62.61
2000 45.03 50.28 54.10 64.60 66.00 76.10 78.10 78.26 73.33 62.42 49.20 46.00 61.95
2001 47.35 49.86 56.19 57.80 71.58 70.70 76.35 80.13 75.37 62.13 53.87 46.03 62.28
2002 45.68 52.29 51.71 60.93 64.81 74.43 81.94 80.81 76.53 62.58 55.13 48.39 62.94
2003 51.29 50.79 55.26 57.83 66.97 77.33 83.97 81.19 77.47 65.03 50.33 46.45 63.66
2004 42.97 51.41 60.03 66.60 67.45 75.70 82.42 81.90 70.73 63.84 51.90 47.77 63.56
2005 49.48 53.82 60.26 60.13 68.29 69.57 80.58 82.58 73.20 61.65 50.57 44.52 62.89
2006 49.58 49.57 53.55 62.53 ----- z 75.67 81.94 80.58 77.07 ----- z 51.60 ----- z 64.68
2007 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2008 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2009 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 76.37 61.32 53.80 42.77 58.57
2010 50.87 54.50 56.77 58.97 63.58 69.07 78.55 81.44 f 72.73 63.52 50.30 47.06 60.54
2011 46.84 45.96 52.06 55.20 61.87 69.90 75.68 79.47 a 77.87 60.26 50.50 45.20 a 60.07
2012 47.39 48.38 51.19 61.10 66.65 69.17 76.84 81.29 76.31 a 62.77 53.23 46.13 61.70
2013 42.48 49.61 67.20 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 46.05
Period of Record Statistics
MEAN 46.53 50.58 55.94 61.07 67.07 72.99 79.22 79.78 74.99 63.23 52.18 46.06 62.53
S.D. 3.22 3.03 3.15 2.83 3.43 3.09 3.18 2.65 3.19 2.50 2.60 3.09 1.04
SKEW -0.90 -0.18 0.44 0.24 0.36 0.16 -0.42 -0.16 -0.23 0.48 -0.13 0.07 0.09
MAX 51.29 57.43 63.61 66.60 75.84 78.50 85.35 85.13 82.27 70.10 56.70 55.06 65.27
MIN 36.26 42.36 51.19 55.20 61.65 67.67 71.23 74.42 68.50 58.32 46.50 39.61 60.07
NO YRS 37 36 36 36 34 36 35 35 37 36 37 36 29