Eugene, OR. Barometric Pressure Eugene, OR. Hourly Average Barometric Pressure For 2001 to 2010 Latitude: 44.05 degrees Longitude: 123.07 degrees Altitude: 150 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 999.5 999.4 999.6 999.5 999.3 999.3 999.3 999.5 999.8 1000.2 1000.5 1000.2 999.7 999.2 999.1 999.1 999.2 999.2 999.3 999.4 999.4 999.6 999.7 999.7 999.5 Feb 998.6 998.6 998.6 998.5 998.5 998.6 998.6 998.9 999.2 999.4 999.5 999.3 998.8 998.2 997.9 997.7 997.6 997.6 997.8 998.0 998.1 998.3 998.4 998.5 998.5 Mar 999.2 999.2 999.1 998.9 999.0 999.1 999.2 999.5 999.7 999.8 999.8 999.6 999.3 998.8 998.5 998.4 998.3 998.3 998.4 998.7 999.0 999.2 999.3 999.3 999.1 Apr 998.5 998.4 998.3 998.3 998.3 998.4 998.7 998.9 998.9 998.9 998.9 998.6 998.2 998.0 997.7 997.4 997.4 997.4 997.5 997.8 998.2 998.5 998.5 998.5 998.3 May 999.1 999.0 998.9 998.9 999.0 999.1 999.4 999.5 999.5 999.4 999.3 999.1 998.7 998.4 998.1 997.8 997.7 997.7 997.8 998.1 998.5 998.8 998.9 998.9 998.7 Jun 998.5 998.5 998.5 998.6 998.7 998.9 999.1 999.2 999.2 999.0 998.9 998.7 998.4 998.1 997.9 997.6 997.4 997.4 997.5 997.7 998.1 998.5 998.6 998.6 998.4 Jul 998.0 998.1 998.1 998.2 998.4 998.7 999.0 999.1 999.1 998.9 998.7 998.3 997.9 997.4 997.0 996.6 996.3 996.1 996.3 996.6 997.1 997.5 997.7 997.9 997.8 Aug 997.4 997.4 997.5 997.6 997.7 997.9 998.3 998.5 998.4 998.4 998.2 997.8 997.3 996.9 996.4 996.0 995.8 995.7 995.8 996.2 996.8 997.1 997.2 997.3 997.2 Sep 997.7 997.7 997.7 997.7 997.8 998.0 998.3 998.5 998.7 998.7 998.5 998.1 997.7 997.2 996.8 996.4 996.3 996.3 996.4 996.8 997.2 997.4 997.5 997.6 997.5 Oct 999.0 999.1 999.0 998.9 999.0 999.1 999.3 999.6 999.9 1000.0 999.9 1004.5 999.1 998.8 998.5 998.4 998.3 998.3 998.6 998.7 998.9 999.0 999.1 999.1 999.3 Nov 999.8 999.8 999.8 999.7 999.7 999.8 999.8 1000.0 1000.3 1000.5 1000.6 1000.3 999.8 999.4 999.2 999.1 999.0 999.1 999.2 999.2 999.3 999.5 999.6 999.7 999.7 Dec 997.0 997.0 997.2 997.1 997.0 997.0 997.1 997.3 997.6 997.9 998.1 997.7 997.2 996.8 996.7 996.7 996.7 996.7 996.7 996.8 996.8 996.9 997.0 997.0 997.1 Values in MilliBars Eugene, OR. Daily Average Barometric Pressure For 2001 to 2010 Latitude: 44.05 degrees Longitude: 123.07 degrees Altitude: 150 meters Year\Mth Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 2001 ---- ---- ---- 1000.1 1001.4 1000.5 999.0 998.5 997.4 1000.8 996.0 997.1 ---- 2002 1001.9 1003.7 1000.8 1000.0 1000.0 999.3 999.0 999.1 997.1 1000.8 1000.4 993.6 999.6 2003 1001.6 999.5 997.7 994.5 999.2 997.4 998.9 998.4 998.1 999.7 998.7 995.3 998.2 2004 998.8 996.6 1001.6 998.9 998.3 998.3 997.0 996.7 998.0 995.3 1004.0 998.3 998.5 2005 997.5 998.5 997.4 997.8 995.7 995.8 997.2 996.9 998.5 997.9 1000.8 996.9 997.6 2006 997.2 1001.5 992.0 995.9 998.1 999.0 998.0 997.5 997.8 999.9 996.6 1000.6 997.8 2007 1005.6 996.9 1001.4 999.1 999.1 998.5 996.9 996.2 997.5 998.5 1001.5 1000.4 999.3 2008 996.1 1000.1 1003.6 1001.2 999.1 1000.3 997.5 995.6 997.3 1001.5 1000.3 997.9 999.2 2009 1006.1 995.5 999.7 1000.3 998.0 996.0 997.2 997.7 997.7 998.0 999.0 998.2 998.6 2010 991.0 994.0 997.4 995.3 998.6 999.0 997.2 995.5 995.9 1000.2 999.5 992.6 996.4 Average 999.5 998.5 999.1 998.3 998.7 998.4 997.8 997.2 997.5 999.3 999.7 997.1 998.4 % SD 0 0 0 0 0 0 0 0 0 0 0 0 0 Values in average daily MilliBars * Less than 15 days of data in month. Univ. of Oregon Solar Radiation Monitoring Lab.