Portland, OR. Wind Direction Portland, OR. Hourly Average Wind Direction For 1980 to 1983 Latitude: 45.65 degrees Longitude: 122.67 degrees Altitude: 135 meters Mon\Hr 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Avg Jan 133.6 127.4 139.2 133.3 129.1 132.7 128.3 128.9 137.8 151.0 163.9 168.9 171.7 168.8 167.2 159.2 156.9 142.5 141.5 140.1 139.8 134.2 129.9 135.4 144.2 Feb 138.6 131.9 126.5 129.3 142.3 145.0 142.0 136.8 151.6 157.1 163.0 161.8 169.7 161.5 158.1 157.0 150.5 140.9 132.7 127.3 137.9 139.4 142.7 135.9 145.0 Mar 133.8 137.6 139.2 132.6 132.3 133.5 139.1 143.6 160.3 165.3 170.8 174.4 170.2 169.3 173.5 169.8 167.8 161.1 142.1 125.8 132.6 131.0 137.0 135.9 149.1 Apr 133.9 130.5 125.5 125.3 122.1 117.6 128.2 156.8 159.5 168.0 170.6 179.5 174.2 177.4 174.0 177.3 175.2 169.1 157.8 136.4 133.8 138.1 138.3 137.4 150.3 May 121.7 122.6 123.5 129.7 128.8 130.7 147.4 155.0 161.7 171.6 179.1 183.5 180.0 181.4 179.0 174.7 172.8 167.3 152.7 137.2 132.6 135.7 135.2 136.7 151.7 Jun 126.0 122.9 120.6 114.0 116.0 132.8 138.0 151.2 162.2 170.3 173.7 176.6 181.5 180.8 178.2 177.8 168.0 172.5 158.0 146.7 144.4 140.8 136.8 126.5 150.7 Jul 126.8 129.5 116.8 116.1 114.8 127.6 133.6 147.5 157.0 167.1 174.3 185.1 189.2 181.6 177.2 175.1 171.3 162.8 148.1 136.3 126.9 133.2 132.9 130.9 148.4 Aug 109.6 106.7 104.6 101.1 108.4 115.9 124.3 139.2 152.0 169.8 176.1 176.0 174.9 176.6 172.0 175.4 171.8 169.0 146.7 128.5 127.0 125.4 129.9 126.6 142.0 Sep 124.1 118.4 118.8 112.9 109.5 108.3 117.5 142.0 152.1 160.4 166.7 168.0 173.2 175.3 170.9 171.4 160.9 147.2 132.3 131.1 133.1 133.1 128.5 130.8 141.1 Oct 117.6 118.1 113.2 117.1 117.3 120.0 118.3 126.3 152.1 160.5 157.5 162.6 159.4 165.1 166.2 166.3 162.5 131.8 132.2 130.8 128.1 126.6 121.3 117.3 137.0 Nov 125.0 125.4 122.9 128.6 126.1 131.6 133.8 133.7 138.4 151.8 152.8 153.8 152.5 151.6 152.0 147.5 142.5 124.9 127.3 126.7 126.8 126.6 121.7 129.3 135.6 Dec 143.7 147.2 146.9 143.2 140.5 144.0 129.4 132.8 135.7 149.0 161.8 163.4 167.0 163.2 155.3 161.0 149.5 141.9 146.8 134.2 137.4 137.9 133.5 141.8 146.1 Values in Degrees Portland, OR. Daily Average Wind Direction For 1980 to 1983 Latitude: 45.65 degrees Longitude: 122.67 degrees Altitude: 135 meters Year\Mth Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 1980 ---- ---- ---- ---- ---- ---- ---- 147.47 142.76 133.13 139.76 144.85 ---- 1981 140.81 147.14 146.94 158.55 148.26 154.75 147.19 139.20 144.06 139.02 133.41 152.22 145.98 1982 148.34 144.05 151.66 144.89 158.10 142.19 146.88 143.37 142.25 141.01 133.52 141.35 144.77 1983 143.53 143.98 147.96 147.39 148.76 155.42 152.26 138.42 135.92 107.40* ---- ---- ---- Average 144.23 145.05 148.85 150.27 151.71 150.79 148.78 142.12 141.25 130.14 135.56 146.14 144.58 % SD 3 1 2 5 4 5 2 3 3 12 3 4 1 Values in average daily De