Wind Climatology--Chattanooga WSO Airport (CHA)
 

Annual wind statistics from the International Station Meteorological Climate Summary CD-ROM, NCDC
 

Direction	1-3	4-6	7-10	11-16	17-21	22-27	28-33	34-40	41-47	48-55	>55	Percent of all speeds	Mean wind speed
N	1.4	2.6	2.8	1.1	.1	*	0	0	*	0	0	7.6	6.8
NNE	1.2	2.4	2.4	.9	*	*	0	0	0	0	0	7.1	6.9
NE	1.2	2.3	1.7	.5	*	*	*	0	0	0	0	5.9	6.4
ENE	.8	1.3	.6	.1	*	*	0	0	0	0	0	2.7	5.2
E	.7	.8	.2	*	0	0	0	0	0	0	0	1.7	4.1
ESE	.5	.5	.1	*	*	0	0	0	0	0	0	1.2	4.5
SE	.8	1.1	.4	.1	*	0	0	0	0	0	0	2.4	5.6
SSE	.9	2.0	1.3	.5	*	*	*	0	0	0	0	4.9	6.5
S	2.0	4.2	3.8	1.6	.2	*	*	0	0	0	0	11.3	6.8
SSW	1.2	2.7	2.3	.9	.1	*	*	0	0	0	0	7.6	6.9
SW	1.5	1.8	1.4	.5	.1	*	*	0	0	0	0	5.0	6.8
WSW	.7	1.1	.9	.5	.1	*	*	*	0	0	0	3.4	7.1
W	.8	.9	1.0	.5	.1	*	*	*	0	0	0	3.2	6.8
WNW	.7	.9	1.1	.6	.1	*	*	0	0	0	0	3.5	7.7
NW	.9	1.2	1.3	.8	.1	*	*	0	0	0	0	4.4	7.8
NNW	.9	1.4	1.7	1.0	.1	*	0	0	0	0	0	5.3	7.8
Calm												22.7
All	15.9	27.4	23.1	9.8	1.0	.1	*	*	*	0	0	100	5.2

 

Monthly wind statistics

From the NCDC web site based on 1930-1996 data.
 

Station		Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Prevailing	direction	N	N	S	S	S	S	S	S	S	N	S	S	S
Average	speed	7	7	8	7	6	5	5	4	5	5	6	6	6
Peak	Gust	41	48	45	53	54	56	46	1	51	43	54	41	56