Seasonality, Interannual Variability, and Linear Tendency of Wind Speeds in the Northeast Brazil from 1986 to 2011

Table 1

Descriptive statistical analysis for each group of the time series.

Group	Period	Minimum (m/s)	Maximum (m/s)	Median (m/s)	Mean (m/s)	Standard deviation (m/s)
G1	1986–2011	0.60	5.89	3.47	3.37	0.97
G2	1986–2011	1.29	7.71	4.07	4.11	0.84
G3	1986–2011	0.10	3.65	1.27	1.35	0.55
G4	1986–2011	0.30	4.50	2.06	2.14	0.64
G5	1986–2011	1.17	6.63	2.78	2.83	0.72