60 Degree Days | 70 Degree Days | 80 Degree Days | 90 Degree Days | 32 Degree Days |
Average Monthly Highs | Average Monthly Lows | Monthly Rainfall | Monthly Rain Days |
Frequency of 60 Degree or Higher Days in Portland from 1981 to 2010 | |||||||||||||
Portland Airport Data --- Year vs Number of Days over 60 degrees | |||||||||||||
Year | Jan | Feb | Mar | Apr | May | June | July | Aug | Sept | Oct | Nov | Dec | Total |
2010 | 1 | 9 | 14 | 21 | 26 | 31 | 31 | 30 | 23 | 5 | 2 | 193 | |
2009 | 5 | 13 | 28 | 30 | 31 | 31 | 30 | 23 | 5 | 196 | |||
2008 | 5 | 3 | 7 | 24 | 24 | 30 | 31 | 30 | 23 | 5 | 182 | ||
2007 | 1 | 11 | 15 | 25 | 30 | 31 | 31 | 28 | 18 | 4 | 1 | 195 | |
2006 | 5 | 22 | 27 | 30 | 31 | 31 | 30 | 20 | 4 | 1 | 201 | ||
2005 | 1 | 6 | 15 | 11 | 29 | 30 | 31 | 31 | 30 | 22 | 1 | 1 | 208 |
2004 | 16 | 23 | 29 | 30 | 31 | 31 | 29 | 17 | 1 | 207 | |||
2003 | 2 | 1 | 7 | 12 | 24 | 30 | 31 | 31 | 30 | 25 | 2 | 195 | |
2002 | 1 | 2 | 4 | 15 | 21 | 30 | 31 | 31 | 29 | 23 | 5 | 1 | 193 |
2001 | 9 | 10 | 26 | 28 | 31 | 31 | 30 | 19 | 2 | 186 | |||
2000 | 5 | 19 | 24 | 28 | 31 | 31 | 30 | 20 | 1 | 189 | |||
1999 | 5 | 12 | 20 | 26 | 31 | 31 | 30 | 23 | 6 | 184 | |||
1998 | 9 | 11 | 19 | 30 | 31 | 31 | 30 | 18 | 2 | 181 | |||
1997 | 1 | 8 | 12 | 30 | 30 | 31 | 31 | 30 | 20 | 8 | 201 | ||
1996 | 5 | 4 | 16 | 24 | 29 | 31 | 31 | 30 | 14 | 2 | 186 | ||
1995 | 2 | 8 | 12 | 13 | 28 | 28 | 31 | 31 | 30 | 24 | 9 | 1 | 217 |
1994 | 17 | 23 | 30 | 30 | 31 | 31 | 30 | 24 | 216 | ||||
1993 | 12 | 16 | 29 | 30 | 31 | 31 | 30 | 30 | 1 | 2 | 212 | ||
1992 | 1 | 8 | 23 | 21 | 30 | 30 | 31 | 31 | 30 | 23 | 228 | ||
1991 | 2 | 10 | 6 | 12 | 18 | 29 | 31 | 31 | 30 | 21 | 3 | 193 | |
1990 | 1 | 5 | 16 | 22 | 26 | 30 | 31 | 31 | 30 | 23 | 4 | 219 | |
1989 | 1 | 5 | 24 | 26 | 30 | 31 | 31 | 30 | 22 | 6 | 1 | 207 | |
1988 | 5 | 8 | 13 | 25 | 30 | 31 | 31 | 30 | 31 | 2 | 1 | 207 | |
1987 | 1 | 9 | 21 | 29 | 30 | 31 | 31 | 30 | 31 | 6 | 1 | 220 | |
1986 | 1 | 6 | 17 | 12 | 20 | 30 | 31 | 31 | 26 | 28 | 4 | 206 | |
1985 | 1 | 5 | 20 | 28 | 29 | 31 | 31 | 30 | 21 | 3 | 199 | ||
1984 | 4 | 12 | 10 | 26 | 30 | 31 | 31 | 29 | 13 | 1 | 187 | ||
1983 | 1 | 10 | 19 | 27 | 30 | 31 | 31 | 30 | 26 | 4 | 209 | ||
1982 | 3 | 11 | 13 | 27 | 30 | 31 | 31 | 29 | 22 | 1 | 1 | 199 | |
1981 | 1 | 7 | 14 | 16 | 25 | 29 | 31 | 31 | 29 | 24 | 12 | 219 | |
Total | 17 | 77 | 292 | 467 | 765 | 876 | 929 | 930 | 889 | 671 | 108 | 14 | 6035 |
30 yr Avg | 0.6 | 2.6 | 9.7 | 15.6 | 25.5 | 29.2 | 31.0 | 31.0 | 29.6 | 22.4 | 3.6 | 0.5 | 201.2 |
Odds of 60 | 1.9% | 8.6% | 32.4% | 51.9% | 85.0% | 97.3% | 100.0% | 100.0% | 98.8% | 74.6% | 12.0% | 1.6% | 55.1% |
Frequency of 70 Degree or Higher Days in Portland from 1981 to 2010 | |||||||||||||
Portland Airport Data --- Year vs Number of Days over 70 degrees | |||||||||||||
Year | Jan | Feb | Mar | Apr | May | June | July | Aug | Sept | Oct | Nov | Dec | Total |
2010 | 1 | 1 | 7 | 13 | 26 | 28 | 21 | 5 | 102 | ||||
2009 | 6 | 18 | 24 | 29 | 27 | 25 | 2 | 131 | |||||
2008 | 3 | 12 | 16 | 29 | 27 | 22 | 3 | 112 | |||||
2007 | 2 | 2 | 14 | 16 | 31 | 28 | 16 | 1 | 110 | ||||
2006 | 6 | 14 | 25 | 29 | 27 | 23 | 7 | 131 | |||||
2005 | 4 | 2 | 11 | 15 | 30 | 31 | 24 | 2 | 119 | ||||
2004 | 4 | 11 | 11 | 18 | 31 | 28 | 20 | 10 | 133 | ||||
2003 | 2 | 13 | 20 | 31 | 30 | 22 | 13 | 131 | |||||
2002 | 3 | 9 | 22 | 30 | 30 | 25 | 6 | 125 | |||||
2001 | 3 | 15 | 16 | 25 | 30 | 24 | 6 | 119 | |||||
2000 | 1 | 9 | 10 | 23 | 28 | 28 | 21 | 5 | 125 | ||||
1999 | 1 | 6 | 7 | 13 | 25 | 25 | 24 | 11 | 1 | 113 | |||
1998 | 1 | 7 | 4 | 18 | 27 | 30 | 26 | 6 | 119 | ||||
1997 | 1 | 3 | 17 | 19 | 29 | 30 | 21 | 2 | 122 | ||||
1996 | 6 | 3 | 21 | 29 | 29 | 15 | 9 | 112 | |||||
1995 | 2 | 5 | 17 | 17 | 30 | 28 | 22 | 4 | 125 | ||||
1994 | 5 | 5 | 17 | 23 | 29 | 31 | 27 | 9 | 146 | ||||
1993 | 1 | 19 | 17 | 23 | 28 | 27 | 9 | 124 | |||||
1992 | 3 | 8 | 24 | 26 | 29 | 29 | 20 | 6 | 145 | ||||
1991 | 1 | 3 | 4 | 10 | 30 | 28 | 26 | 17 | 119 | ||||
1990 | 2 | 8 | 8 | 20 | 29 | 29 | 26 | 2 | 124 | ||||
1989 | 12 | 13 | 20 | 24 | 28 | 25 | 6 | 128 | |||||
1988 | 1 | 2 | 5 | 9 | 19 | 25 | 29 | 19 | 9 | 118 | |||
1987 | 2 | 9 | 16 | 24 | 24 | 31 | 23 | 16 | 145 | ||||
1986 | 1 | 4 | 12 | 23 | 24 | 31 | 16 | 11 | 122 | ||||
1985 | 9 | 12 | 24 | 30 | 29 | 17 | 3 | 124 | |||||
1984 | 1 | 7 | 16 | 30 | 31 | 21 | 6 | 112 | |||||
1983 | 7 | 13 | 16 | 26 | 30 | 21 | 2 | 115 | |||||
1982 | 1 | 2 | 16 | 21 | 25 | 29 | 19 | 6 | 119 | ||||
1981 | 5 | 10 | 15 | 29 | 29 | 21 | 3 | 112 | |||||
Total | 0 | 1 | 36 | 152 | 362 | 570 | 836 | 868 | 659 | 197 | 1 | 0 | 3682 |
30 yr Avg | 0 | 0.0 | 1.2 | 5.1 | 12.1 | 19.0 | 27.9 | 28.9 | 22.0 | 6.6 | 0.0 | 0.0 | 122.7 |
Odds of 70 | 0.1% | 4.0% | 16.9% | 40.2% | 63.3% | 92.9% | 96.4% | 73.2% | 21.9% | 0.1% |
Frequency of 80 Degree or Higher Days in Portland from 1981 to 2010 | ||||||||||||||||
Portland Airport Data --- Year vs Number of Days over 80 degrees | ||||||||||||||||
Year | Jan | Feb | Mar | Apr | May | June | July | Aug | Sept | Oct | Nov | Dec | Total | |||
2010 | 4 | 16 | 12 | 4 | 1 | 37 | ||||||||||
2009 | 2 | 7 | 7 | 22 | 16 | 10 | 64 | |||||||||
2008 | 5 | 7 | 20 | 16 | 13 | 61 | ||||||||||
2007 | 6 | 6 | 19 | 11 | 7 | 49 | ||||||||||
2006 | 1 | 5 | 9 | 18 | 16 | 16 | 65 | |||||||||
2005 | 3 | 3 | 18 | 22 | 4 | 50 | ||||||||||
2004 | 5 | 3 | 11 | 22 | 20 | 1 | 2 | 64 | ||||||||
2003 | 3 | 12 | 23 | 19 | 13 | 1 | 71 | *Latest 80 ever (Oct 21,2003) | ||||||||
2002 | 1 | 8 | 15 | 18 | 12 | 1 | 55 | |||||||||
2001 | 1 | 7 | 4 | 12 | 17 | 12 | 1 | 54 | ||||||||
2000 | 1 | 11 | 14 | 13 | 5 | 44 | ||||||||||
1999 | 2 | 5 | 18 | 16 | 12 | 53 | ||||||||||
1998 | 3 | 2 | 6 | 17 | 19 | 17 | 64 | |||||||||
1997 | 8 | 2 | 16 | 21 | 10 | 57 | ||||||||||
1996 | 6 | 21 | 17 | 5 | 1 | 50 | ||||||||||
1995 | 7 | 11 | 19 | 15 | 14 | 66 | ||||||||||
1994 | 6 | 8 | 23 | 23 | 15 | 75 | ||||||||||
1993 | 4 | 3 | 4 | 12 | 15 | 2 | 40 | |||||||||
1992 | 1 | 11 | 13 | 14 | 21 | 9 | 69 | |||||||||
1991 | 3 | 20 | 20 | 18 | 6 | 67 | ||||||||||
1990 | 1 | 2 | 4 | 21 | 18 | 10 | 56 | |||||||||
1989 | 2 | 1 | 9 | 7 | 7 | 16 | 42 | |||||||||
1988 | 1 | 2 | 6 | 17 | 14 | 11 | 1 | 52 | ||||||||
1987 | 2 | 7 | 16 | 10 | 20 | 14 | 5 | 74 | ||||||||
1986 | 6 | 14 | 7 | 25 | 6 | 58 | ||||||||||
1985 | 3 | 10 | 28 | 16 | 1 | 58 | ||||||||||
1984 | 2 | 4 | 15 | 16 | 8 | 1 | 46 | |||||||||
1983 | 7 | 4 | 8 | 15 | 2 | 36 | ||||||||||
1982 | 2 | 12 | 14 | 13 | 9 | 50 | ||||||||||
1981 | 1 | 3 | 9 | 20 | 12 | 45 | ||||||||||
Total | 0 | 0 | 0 | 19 | 114 | 221 | 487 | 508 | 301 | 22 | 0 | 0 | 1672 | |||
30 Yr Avg | 0.0 | 0.0 | 0.0 | 0.6 | 3.8 | 7.4 | 16.2 | 16.9 | 10.0 | 0.7 | 0.0 | 0.0 | 55.7 | |||
Odds of 80 | 0.0% | 0.0% | 0.0% | 2.1% | 12.3% | 24.6% | 52.4% | 54.6% | 33.4% | 2.4% | 0.0% | 0.0% |
Frequency of 90 Degree or Higher Days in Portland from 1981 to 2010 | |||||||||||||
Portland Airport Data --- Year vs Number of Days over 90 degrees | |||||||||||||
Year | Jan | Feb | Mar | Apr | May | June | July | Aug | Sept | Oct | Nov | Dec | Total |
2010 | 4 | 7 | 11 | ||||||||||
2009 | 1 | 14 | 7 | 2 | 24 | ||||||||
2008 | 2 | 1 | 5 | 5 | 2 | 15 | |||||||
2007 | 1 | 3 | 4 | 1 | 9 | ||||||||
2006 | 1 | 4 | 6 | 8 | 2 | 21 | |||||||
2005 | 1 | 7 | 7 | 15 | |||||||||
2004 | 3 | 4 | 5 | 12 | |||||||||
2003 | 6 | 8 | 3 | 5 | 22 | ||||||||
2002 | 4 | 4 | 4 | 12 | |||||||||
2001 | 2 | 1 | 3 | 6 | |||||||||
2000 | 3 | 2 | 5 | ||||||||||
1999 | 1 | 1 | 3 | 5 | |||||||||
1998 | 1 | 6 | 6 | 2 | 15 | ||||||||
1997 | 1 | 6 | 2 | 9 | |||||||||
1996 | 1 | 12 | 9 | 22 | |||||||||
1995 | 2 | 4 | 2 | 2 | 10 | ||||||||
1994 | 7 | 2 | 4 | 13 | |||||||||
1993 | 3 | 4 | 7 | ||||||||||
1992 | 2 | 4 | 5 | 6 | 17 | ||||||||
1991 | 4 | 5 | 7 | 16 | |||||||||
1990 | 1 | 9 | 7 | 3 | 20 | ||||||||
1989 | 1 | 4 | 5 | ||||||||||
1988 | 6 | 6 | 4 | 1 | 17 | ||||||||
1987 | 3 | 4 | 4 | 8 | 3 | 1 | 23 | ||||||
1986 | 2 | 1 | 12 | 2 | 17 | ||||||||
1985 | 2 | 11 | 6 | 19 | |||||||||
1984 | 4 | 3 | 7 | ||||||||||
1983 | 1 | 1 | 1 | 3 | |||||||||
1982 | 5 | 2 | 6 | 1 | 14 | ||||||||
1981 | 4 | 10 | 3 | 17 | |||||||||
Total | 0 | 0 | 0 | 1 | 15 | 43 | 139 | 152 | 56 | 2 | 0 | 0 | 408 |
30 yr Avg | 0.0 | 0.0 | 0.0 | 0.0 | 0.5 | 1.4 | 4.6 | 5.1 | 1.9 | 0.1 | 0.0 | 0.0 | 13.6 |
Odds of 90 | 0.1% | 1.6% | 4.8% | 14.9% | 14.9% | 6.2% | 0.2% |
Frequency of 32 Degree Low Temperatures in Portland from 1981 to 2010 | |||||||||||||
Portland Airport Data --- Year vs Number of Nights Below 32 degrees | |||||||||||||
Year | Jan | Feb | Mar | Apr | May | June | July | Aug | Sept | Oct | Nov | Dec | Total |
2010 | 4 | 1 | 5 | 2 | 12 | ||||||||
2009 | 16 | 17 | 3 | 1 | 19 | 56 | |||||||
2008 | 9 | 6 | 1 | 1 | 14 | 31 | |||||||
2007 | 16 | 3 | 2 | 2 | 5 | 6 | 34 | ||||||
2006 | 10 | 6 | 2 | 3 | 12 | 33 | |||||||
2005 | 10 | 14 | 8 | 11 | 43 | ||||||||
2004 | 11 | 2 | 5 | 3 | 21 | ||||||||
2003 | 4 | 11 | 1 | 1 | 6 | 3 | 26 | ||||||
2002 | 4 | 8 | 5 | 1 | 7 | 4 | 29 | ||||||
2001 | 6 | 11 | 1 | 3 | 6 | 27 | |||||||
2000 | 10 | 6 | 4 | 11 | 9 | 40 | |||||||
1999 | 6 | 2 | 2 | 1 | 6 | 17 | |||||||
1998 | 6 | 2 | 3 | 8 | 19 | ||||||||
1997 | 9 | 11 | 1 | 3 | 6 | 30 | |||||||
1996 | 4 | 9 | 3 | 3 | 9 | 28 | |||||||
1995 | 5 | 4 | 3 | 2 | 3 | 7 | 24 | ||||||
1994 | 5 | 9 | 3 | 6 | 9 | 32 | |||||||
1993 | 20 | 15 | 3 | 14 | 14 | 66 | |||||||
1992 | 7 | 3 | 1 | 2 | 10 | 23 | |||||||
1991 | 19 | 3 | 1 | 1 | 2 | 6 | 32 | ||||||
1990 | 7 | 8 | 3 | 1 | 14 | 33 | |||||||
1989 | 7 | 14 | 5 | 1 | 1 | 14 | 42 | ||||||
1988 | 13 | 7 | 5 | 1 | 1 | 5 | 32 | ||||||
1987 | 15 | 4 | 1 | 2 | 17 | 39 | |||||||
1986 | 5 | 9 | 3 | 9 | 26 | ||||||||
1985 | 25 | 11 | 5 | 2 | 16 | 25 | 84 | ||||||
1984 | 11 | 5 | 1 | 2 | 8 | 27 | |||||||
1983 | 9 | 3 | 1 | 12 | 25 | ||||||||
1982 | 7 | 7 | 4 | 1 | 9 | 9 | 37 | ||||||
1981 | 5 | 12 | 3 | 1 | 2 | 7 | 30 | ||||||
Total | 271 | 230 | 71 | 11 | 0 | 0 | 0 | 0 | 0 | 10 | 121 | 284 | 998 |
30 yr Avg | 9.0 | 7.7 | 2.4 | 0.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.3 | 4.0 | 9.5 | 33.3 |
Odds of 32 | 29.1% | 27.4% | 7.6% | 1.2% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 1.1% | 13.0% | 30.5% | 9.1% |
Average Monthly High Temperatures in Portland from 1981 to 2010 | |||||||||||||
Portland Airport Data --- Year vs Monthly Average High Temperatures | |||||||||||||
Year | Jan | Feb | Mar | Apr | May | June | July | Aug | Sept | Oct | Nov | Dec | Total |
2010 | 49.65 | 54.14 | 56.84 | 59.13 | 63.23 | 68.77 | 79.03 | 79.52 | 73.00 | 63.45 | 50.33 | 46.65 | 62.03 |
2009 | 46.19 | 50.25 | 52.52 | 62.33 | 71.48 | 74.83 | 86.23 | 80.55 | 77.20 | 62.32 | 54.07 | 41.65 | 63.37 |
2008 | 43.94 | 52.41 | 52.94 | 56.67 | 67.48 | 71.77 | 80.45 | 80.00 | 77.33 | 62.23 | 55.10 | 42.77 | 61.94 |
2007 | 44.39 | 50.43 | 57.71 | 60.37 | 69.55 | 72.13 | 81.55 | 78.58 | 72.80 | 61.10 | 52.00 | 45.48 | 62.25 |