Powell/Knoxville Weather Station

75°F

Knoxville, Tennessee

Updated: Sun, 19-May-2013 11:25am EDT

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Yearly Wind Summary

Data last updated 05/19/13 11:25 AM.

Other Summary Reports TEMP RAIN

Maximum Wind Speed (mph)
Date	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2013	17.3	18.4	18.4*	18.4	11.5*	---	---	---	---	---	---	---	18.4*
2012	21.9	24.2	25.3*	12.7	15.0	9.2	9.2	9.2	10.4	12.7	11.5	21.9	25.3*
2011	15.0*	21.9	15.0*	21.9*	13.8*	11.5*	10.4*	11.5*	8.1*	15.0	---	16.1	21.9*
2010	18.4	16.1	16.1	15.0	15.0	12.7	12.7	10.4	11.5	16.1	15.0	13.8	18.4
2009	19.6	26.5	18.4*	16.1	17.3*	11.5*	11.5*	11.5	13.8*	12.7	15.0	19.6	26.5*
2008	21.9*	24.2*	21.9	17.3*	16.1	13.8*	13.8	9.2	13.8*	11.5	13.8	19.6*	24.2*
2007	17.3	19.6	20.7	15.0*	15.0	13.8	15.0	12.7*	9.2*	12.7	15.0*	19.6	20.7*
2006	19.6	16.1	19.6	19.6*	12.7*	11.5	16.1*	16.1*	11.5*	15.0*	15.0*	24.2*	24.2*
2005	18.4*	18.4	23.0*	17.3	11.5*	11.5*	12.7	12.7*	12.7	16.1	20.7*	19.6*	23.0*
Max	21.9	26.5	25.3	21.9	17.3	13.8	16.1	16.1	13.8	16.1	20.7	24.2	26.5

Average Maximum Wind Speed (mph)
Date	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2013	8.6	9.9	10.2*	9.9	6.3*	---	---	---	---	---	---	---	9.1*
2012	10.7	9.9	10.6*	7.0	5.4	5.5	5.5	5.4	5.2	6.1	6.7	9.5	7.3*
2011	9.4*	11.8	10.6*	13.0*	8.3*	6.9*	6.8*	6.9*	5.2*	5.8	---	8.0	8.4*
2010	9.4	8.9	10.0	9.4	8.0	8.0	7.3	6.9	6.5	8.0	8.0	9.0	8.3
2009	10.1	12.3	10.7*	10.9	7.9*	7.1*	7.6*	6.8	5.9*	7.0	7.8	9.0	8.6*
2008	10.6*	11.3*	12.2	9.6*	9.1	7.6*	7.8	6.7	7.2*	7.1	8.1	11.2*	8.9*
2007	11.0	11.3	11.4	10.1*	7.9	8.1	8.4	7.5*	5.9*	7.3	8.9*	9.5	9.0*
2006	12.2	11.1	11.8	11.1*	8.4*	7.6	8.5*	7.5*	6.9*	7.6*	7.5*	9.0*	9.1*
2005	10.6*	9.4	12.2*	9.9	5.6*	7.6*	7.6	6.3*	7.8	7.8	10.2*	9.6*	8.7*
Avg	10.3	10.6	11.1	10.0	7.5	7.3	7.4	6.7	6.4	7.1	8.2	9.2	8.6

Average Wind Speed (mph)
Date	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
2013	1.3	1.6	1.6*	1.3	0.4*	---	---	---	---	---	---	---	1.3*
2012	1.4	1.4	1.3*	0.7	0.2	0.4	0.4	0.3	0.3	0.4	0.6	1.2	0.7*
2011	1.2*	1.8	1.8*	2.1*	0.5*	0.3*	0.3*	0.4*	0.4*	0.5	---	1.0	0.9*
2010	1.3	1.5	1.4	1.2	0.5	0.4	0.3	0.3	0.2	0.5	1.0	1.3	0.8
2009	1.6	2.2	2.1*	1.8	0.5*	0.4*	0.4*	0.4	0.3*	0.4	0.8	1.3	1.0*
2008	1.9*	2.2*	2.7	1.9*	1.0	0.7*	0.6	0.6	0.5*	0.6	0.9	2.0*	1.3*
2007	1.9	2.2	2.0	1.4*	0.6	0.5	0.5	0.6*	0.3*	0.6	0.8*	1.4	1.1*
2006	1.9	2.1	2.3	1.8*	0.6*	0.4	0.4*	0.3*	0.3*	0.4*	0.8*	1.3*	1.1*
2005	2.1*	1.5	2.5*	1.4	0.4*	0.5*	0.4	0.2*	0.5	0.4	1.2*	1.4*	1.0*
Avg	1.6	1.8	2.0	1.5	0.5	0.4	0.4	0.4	0.4	0.5	0.9	1.3	1.0

* denotes incomplete data for the month/year.

WIND COLOR CODING CHART

Beaufort number	Description	Wind speed
Beaufort number	Description	mph	km/h	kts	m/s
0	Calm	< 1	< 1	< 1	< 0.3
1	Light air	1 – 3	1.1 – 5.5	1 – 2	0.3 – 1.5
2	Light breeze	4 – 7	5.6 – 11	3 – 6	1.6 – 3.4
3	Gentle breeze	8 – 12	12 – 19	7 – 10	3.4 – 5.4
4	Moderate breeze	13 – 17	20 – 28	11 – 15	5.5 – 7.9
5	Fresh breeze	18 – 24	29 – 38	16 – 20	8.0 – 10.7
6	Strong breeze	25 – 30	39 – 49	21 – 26	10.8 – 13.8
7	High wind, Moderate gale, Near gale	31 – 38	50 – 61	27 – 33	13.9 – 17.1
8	Gale, Fresh gale	39 – 46	62 – 74	34 – 40	17.2 – 20.7
9	Strong gale	47 – 54	75 – 88	41 – 47	20.8 – 24.4
10	Storm, Whole gale	55 – 63	89 – 102	48 – 55	24.5 – 28.4
11	Violent storm	64 – 72	103 – 117	56 – 63	28.5 – 32.6
12	Hurricane-force	> 73	> 118	> 64	> 32.7

Script developed by Murry Conarroe of Wildwood Weather.