Forest Grove, OR.																			Wind Speed

Forest Grove, OR.							Hourly Average Wind Speed										 For 1997 to 2006

Latitude: 45.55 degrees								Longitude: 123.08 degrees								Altitude:   55 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	   1.0	   1.0	   0.9	   1.0	   0.9	   0.9	   1.0	   1.0	   1.0	   1.2	   1.3	   1.4	   1.5	   1.5	   1.4	   1.3	   1.1	   1.0	   1.1	   1.0	   1.1	   1.0	   1.0	   1.0	    1.1
Feb	   1.1	   1.1	   1.0	   1.0	   1.0	   1.0	   1.1	   1.0	   1.2	   1.4	   1.6	   1.7	   1.8	   1.9	   1.8	   1.8	   1.6	   1.3	   1.1	   1.2	   1.2	   1.1	   1.2	   1.1	    1.3
Mar	   1.0	   1.0	   1.0	   1.0	   1.0	   1.0	   0.9	   1.1	   1.3	   1.5	   1.6	   1.8	   1.8	   1.9	   1.7	   1.7	   1.6	   1.4	   1.2	   1.1	   1.2	   1.1	   1.1	   1.1	    1.3
Apr	   0.9	   0.9	   0.9	   0.8	   0.8	   0.7	   0.8	   1.0	   1.2	   1.5	   1.6	   1.7	   1.7	   1.8	   1.8	   1.7	   1.7	   1.2	   1.4	   1.2	   1.2	   1.2	   1.1	   1.0	    1.2
May	   1.0	   0.9	   0.8	   0.8	   0.7	   0.8	   1.0	   1.2	   1.3	   1.4	   1.5	   1.5	   1.6	   1.6	   1.7	   1.7	   1.7	   1.7	   1.6	   1.4	   1.4	   1.4	   1.3	   1.1	    1.3
Jun	   1.2	   1.1	   0.9	   0.9	   0.8	   0.9	   1.3	   1.3	   1.4	   1.4	   1.5	   1.6	   1.7	   1.7	   1.8	   1.9	   2.1	   2.2	   2.1	   1.9	   1.7	   1.6	   1.5	   1.4	    1.5
Jul	   1.5	   1.3	   1.2	   1.0	   0.9	   0.9	   1.2	   1.5	   1.5	   1.4	   1.5	   1.6	   1.7	   1.9	   2.0	   2.3	   2.6	   2.8	   2.7	   2.4	   2.3	   2.2	   2.0	   1.8	    1.8
Aug	   1.5	   1.2	   1.0	   0.9	   0.7	   0.7	   1.0	   1.2	   1.3	   1.3	   1.4	   1.6	   1.7	   1.9	   2.1	   2.2	   2.5	   2.6	   2.5	   2.3	   2.2	   2.0	   1.9	   1.6	    1.6
Sep	   1.0	   0.9	   0.8	   0.7	   0.6	   0.6	   0.9	   0.8	   1.1	   1.3	   1.4	   1.6	   1.6	   1.7	   1.8	   2.0	   1.9	   1.8	   1.6	   1.5	   1.5	   1.4	   1.3	   1.1	    1.3
Oct	   0.8	   0.8	   0.8	   0.8	   0.8	   0.8	   0.8	   0.9	   1.1	   1.2	   1.4	   1.6	   1.6	   1.6	   1.6	   1.5	   1.3	   1.0	   1.0	   1.0	   1.0	   0.9	   0.9	   0.9	    1.1
Nov	   1.0	   0.9	   0.9	   0.9	   0.9	   0.9	   0.9	   0.9	   1.0	   1.2	   1.3	   1.4	   1.4	   1.4	   1.4	   1.2	   1.1	   1.0	   1.1	   1.0	   1.0	   1.0	   1.0	   0.9	    1.1
Dec	   1.0	   1.0	   1.0	   1.3	   0.9	   0.9	   1.0	   1.6	   2.0	   1.7	   1.3	   1.3	   1.5	   1.4	   1.6	   1.2	   1.1	   1.0	   1.0	   2.1	   1.6	   1.3	   1.7	   1.4	    1.3

Values in Meters/second

Forest Grove, OR.							Daily Average Wind Speed										 For 1997 to 2006

Latitude: 45.55 degrees								Longitude: 123.08 degrees								Altitude:   55 meters

Year\Mth	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Yearly

1997	   1.4	   1.5	   1.7	   1.6	   1.5	   1.6	   2.7	   1.6	   1.5	   1.6	   1.5	   1.2	     1.6
1998	   1.5	   1.9	   1.5	   1.3	   1.6	   1.7	   1.7	   2.1	   1.7	   1.2	   1.7	   4.6	     1.9
1999	   1.5	   1.8	   1.5	   1.6	   1.6	   1.2	   1.5	   1.5	   1.7	   1.2	   1.2	   1.4	     1.5
2000	   1.1	   1.2	   1.1	   1.2	   1.3	   1.8	   1.6	   1.7	   1.3	   1.1	   0.7	   0.7	     1.2
2001	   0.8	   0.9	   1.1	   1.1	   1.4	   1.4	   1.9	   1.4	   1.3	   0.9	   1.1	   1.2	     1.2
2002	   1.2	   1.2	   1.4	   1.5	   1.2	   1.5	   1.9	   1.8	   1.2	   1.2	   0.9	   1.0	     1.3
2003	   0.9	   1.2	   1.3	   1.3	   1.2	   1.8	   2.0	   1.6	   1.4	   1.2	   1.2	   1.0	     1.3
2004	   0.9	   1.0	   1.2	   1.2	   1.1	   1.5	   1.7	   1.7	   1.1	   1.0	   0.8	   1.0	     1.2
2005	   1.0	   0.9	   1.1	   1.1	   1.2	   1.4	   1.9	   1.8	   1.5	   0.8	   0.8	   1.0	     1.2
2006	   1.3	   1.5	   1.5	   1.4	   1.4	   1.8	   1.9	   1.8	   1.2	   1.0	   1.4	   0.9	     1.4

Average	   1.2	   1.3	   1.3	   1.3	   1.3	   1.6	   1.9	   1.7	   1.4	   1.1	   1.1	   1.4	     1.4
% SD	    24	    27	    15	    15	    13	    13	    17	    12	    14	    18	    30	    82	      16

Values in average daily Meters/second
* Less than 15 days of data in month.									Univ. of Oregon Solar Monitoring Lab.