Comparison of Weibull Estimation Methods for Diverse Winds

Table 4

Directional wind speed statistics of the top-mounted cup anemometer, WS101, based on the closest wind vane, WD98.

Direction		Rec.	Fre.	Mean	Median	Min	Max	Std. dev.
Sector	Range	(%)	(%)	(m/s)	(m/s)	(m/s)	(m/s)	(m/s)
1	345°–15°	99.75	45.65	7.564	7.511	0.403	23.628	3.696
2	15°–45°	98.9	11.21	5.921	4.629	0.403	23.611	4.871
3	45°–75°	95.83	1.95	1.614	1.355	0.405	13.227	1.127
4	75°–105°	95.19	1.41	1.772	1.369	0.418	7.588	1.15
5	105°–135°	93.11	1.3	1.442	1.138	0.403	8.046	1.022
6	135°–165°	97.12	3.7	4.074	2.542	0.401	19.775	3.912
7	165°–195°	98.94	12.59	6.057	5.992	0.404	19.2	3.684
8	195°–225°	98.28	7.59	5.163	5.161	0.402	16.151	2.836
9	225°–255°	96.03	2.75	4.693	4.817	0.405	13.211	2.541
10	255°–285°	95.26	2.09	4.756	4.784	0.412	13.536	2.601
11	285°–315°	98.17	4.66	5.52	5.316	0.401	14.8	2.804
12	315°–345°	97.52	5.07	4.648	4.04	0.403	16.122	3.122
Total		98.71	100	6.22	5.857	0.401	23.628	3.919