Salem, OR. DC Current of PV Array on a 45³ Tilt Facing South Salem, OR. Hourly Average DC Current of PV Array on a 45³ Tilt Facing South For 2004 to 2013 Latitude: 44.94 degrees Longitude: 123.03 degrees Altitude: 60 meters Mon\Hr 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Total Jan -0.0 -0.0 -0.0 -0.0 -0.0 0.1 0.7 1.5 2.0 2.2 2.0 1.8 1.2 0.2 -0.0 -0.0 -0.0 -0.0 11.5 Feb -0.0 -0.0 -0.0 -0.0 0.0 0.3 1.2 2.3 2.8 3.0 3.1 2.6 2.0 1.1 0.1 -0.0 -0.0 -0.0 18.5 Mar -0.0 -0.0 -0.0 0.0 0.3 0.8 1.8 3.0 3.7 3.8 3.8 3.5 2.8 1.7 0.4 0.0 -0.0 -0.0 25.5 Apr -0.0 -0.0 0.0 0.2 0.7 1.5 2.2 3.3 4.2 4.4 4.1 3.9 3.3 2.4 0.9 0.1 0.0 0.0 31.3 May 0.0 0.0 0.1 0.4 0.8 1.9 2.3 3.1 4.3 4.5 4.5 4.1 3.5 2.5 1.2 0.3 0.0 0.0 33.6 Jun 0.0 0.0 0.1 0.4 0.8 2.0 2.5 3.1 4.6 5.0 5.0 4.6 3.9 2.9 1.4 0.4 0.1 0.0 36.9 Jul 0.0 0.0 0.1 0.3 0.6 2.0 2.4 3.3 5.5 6.2 6.4 6.0 5.3 3.8 1.8 0.5 0.1 0.0 44.2 Aug 0.0 0.0 0.0 0.2 0.7 1.7 2.1 3.8 6.4 7.1 7.2 6.8 5.7 4.1 1.3 0.3 0.0 0.0 47.5 Sep 0.0 0.0 0.0 0.1 0.5 1.0 2.4 4.5 6.2 6.8 6.6 6.0 4.6 2.3 0.3 0.0 0.0 0.0 41.5 Oct 0.0 0.0 0.0 0.0 0.2 1.0 2.1 3.7 4.4 4.7 4.5 4.0 2.6 0.6 0.0 0.0 0.0 0.0 28.0 Nov 0.0 -0.0 -0.0 -0.0 0.0 0.4 1.3 2.2 2.6 2.6 2.4 2.0 1.1 0.1 0.0 0.0 0.0 0.0 14.7 Dec -0.0 -0.0 -0.0 -0.0 -0.0 0.1 0.8 1.6 1.8 1.9 1.9 1.6 0.7 0.0 -0.0 -0.0 -0.0 -0.0 10.3 Values in AmpHours/Hour Salem, OR. Daily Average DC Current of PV Array on a 45³ Tilt Facing South For 2004 to 2013 Latitude: 44.94 degrees Longitude: 123.03 degrees Altitude: 60 meters Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Yearly 2004 8.6 23.6 37.7 40.4 39.4 45.2 52.6 48.5 37.0 29.4 15.8 5.8 32.0 2005 4.8 12.0 19.1 20.6 22.9 41.2 51.8 53.6 48.3 18.4 12.5 8.6 26.2 2006 8.1 9.7 17.9 25.0 40.1 45.9 51.7 52.9 48.5 38.1 12.4 14.0 30.4 2007 21.0 21.4 30.7 37.7 20.1 33.2 31.2 45.7 42.5 19.1 13.4 4.5 26.7 2008 5.5 7.6 12.4 13.2 4.7 -0.0 10.9 44.0 43.7 32.5 14.2 10.8 16.6 2009 18.1 23.7 28.1 37.7 48.2 43.3 49.8 45.0 43.2 29.2 20.2 18.0 33.8 2010 10.0 23.3 31.1 35.6 39.8 39.7 50.1 46.9 36.7 30.9 14.6 10.5 30.8 2011 14.8 23.0 21.9 34.3 37.2 38.2 45.2 47.8 40.5 21.6 13.3 12.7 29.2 2012 13.4 20.9 24.9 33.8 42.9 39.8 48.2 50.4 45.5 28.0 11.6 8.0 30.6 2013 9.3 18.8 31.1 35.8 42.6 44.1 52.1 42.1 30.8 33.3 18.8 9.0 30.7 Average 11.4 18.4 25.5 31.4 33.8 37.0 44.4 47.7 41.7 28.0 14.7 10.2 28.7 % SD 47 34 30 28 40 37 30 8 13 23 19 39 17 Values in average daily AmpHours/Hour * Less than 15 days of data in month. Univ. of Oregon Solar Radiation Monitoring Lab.