Scientific Investigations Report 2006–5209

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5209

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Table 10. Results of analysis of variance (ANOVA) of the along-lake component of wind speed at the Klamath Falls Airport, Oregon, July and August, 1990–2004.

[Medians were calculated from hourly values obtained from the National Climatic Data Center after first selecting those that fell in the upper one-half of the distribution for the month, as determined by combining all 15 years of the record. The along-lake component was obtained by projecting the vector data onto a set of axes rotated 60° clockwise. Years that share a letter are not statistically distinguishable (p<0.05) from each other using this test. Years that do not share a letter are statistically distinguishable (p<0.05) using this test. Abbreviations: m/s, meter per second]

July August
Median wind
speed (m/s)		 Year Tukey
grouping		 Median wind
speed (m/s)		 Year Tukey
grouping
4.2 2001 A 2.7 2002 A
4 1994 A,B 3.4 1993 A,B
3.8 1993 A,B 2.9 2001 A,B,C
3.8 1991 A,B,C 2.5 1992 A,B,C
3.5 1992 B,C 2.4 2000 B,C,D
3.4 1990 C,D 2.5 1995 B,C,D
2.5 2002 D,E 2.3 1999 C,D,E
2.2 2003 E,F 2.2 1996 C,D,E
2.1 2000 E.F 1.8 1994 D,E,F
2.2 1996 F,G 1.2 1998 E,F,G
2 1999 F,G 1.2 2004 E,F,G
2 1997 F,G 1.3 1990 F,G
1.7 1995 F,G .9 1991 G
1.4 2004 F,G .9 1997 G,H
1.6 1998 G -1.3 2003 H

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