Wind Climatology--Atlanta Hartsfield Airport (ATL)
 

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	.5	1.3	1.1	.3	*	*	0	*	0	0	0	3.2	6.2
NNE	.3	.7	.4	.1	*	*	0	0	0	0	0	1.5	6.2
NE	.5	.3	1.4	.4	*	*	0	0	0	0	0	3.7	7.4
ENE	.5	2.0	3.1	1.5	.2	*	*	0	0	0	0	7.6	8.4
E	.6	2.5	4.1	2.1	.3	*	*	0	0	0	0	9.2	8.3
ESE	.4	1.8	2.5	.8	.1	*	*	*	0	0	0	5.8	7.7
SE	.6	1.8	1.9	.5	.1	*	*	0	0	0	0	5.0	7.4
SSE	.4	1.4	1.3	.4	.1	*	*	0	0	0	0	3.6	7.3
S	.6	1.9	1.8	.7	.1	*	*	*	*	0	0	5.0	7.1
SSW	.3	1.2	1.4	.6	.1	*	*	*	0	0	0	3.7	7.9
SW	.5	1.7	2.1	1.0	.2	*	*	*	0	0	0	5.6	8.4
WSW	.4	1.8	2.2	.9	.1	*	*	*	0	0	0	5.5	8.1
W	.5	2.5	3.4	1.2	.2	*	*	0	0	0	0	7.6	7.9
WNW	.4	2.4	3.8	2.0	.5	.1	*	*	0	0	0	9.4	9.0
NW	.6	2.9	5.0	3.0	.7	.1	*	0	*	0	0	12.9	9.4
NNW	.4	1.9	2.7	1.7	.3	.1	*	0	0	0	0	7.1	8.8
Calm												3.8
All	7.7	29.3	38.3	17.4	3.0	.5	.1	*	*	0	0	100	7.9

 

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	NW	NW	NW	WNW	NW	W	W	E	E	E	NW	NW	NW
Average	speed	10	11	11	10	9	8	8	7	8	9	9	10	9
Peak	Gust	55	68	61	61	72	60	77	63	45	56	56	47	77

Extreme wind statistics

From Extreme Wind Speeds at 129 Stations in the Contiguous United States, National Bureau of Standards Building Science Series 118
 
 

Return Period	Predicted Extreme Wind at 10 meters
(in years)
2	46
10	60
50	73
100	78