Climatic Variation at Thumba Equatorial Rocket Launching Station, India

Table 5

Climatology and Δ of wind speed (scalar), wind speed (resultant), and wind steadiness factor.

Month	Wind speed (scalar); (0830 IST) ms^−1			Wind speed (resultant); (0830 IST) ms^−1			Wind steadiness factor; (0830 IST) (%)
	1964–1993	1979–2008	Δ		1979–2008	Δ	1964–1993	1979–2008	Δ
JAN	1.04	0.75	−0.29	0.71	0.33	−0.38	68.89	44.48	−24.41
FEB	1.07	0.81	−0.26	0.73	0.38	−0.35	67.95	47.36	−20.59
MAR	1.21	1.00	−0.21	0.83	0.56	−0.27	68.49	56.15	−12.34
APR	1.29	1.00	−0.29	0.92	0.63	−0.29	71.46	63.15	−8.31
MAY	1.45	1.04	−0.41	1.14	0.75	−0.39	78.40	72.44	−5.96
JUN	1.49	1.09	−0.40	1.03	0.8	−0.23	68.97	73.65	+4.68
JUL	1.68	1.35	−0.33	1.15	0.94	−0.21	68.08	69.60	+1.52
AUG	1.61	1.31	−0.30	1.36	1.05	−0.31	84.68	79.99	−4.69
SEP	1.57	1.10	−0.47	1.17	0.81	−0.36	74.57	74.06	−0.51
OCT	1.10	0.82	−0.28	0.64	0.40	−0.24	58.69	49.26	−9.43
NOV	0.97	0.74	−0.23	0.49	0.23	−0.26	50.29	31.17	−19.12
DEC	1.01	0.75	−0.26	0.67	0.37	−0.30	66.44	48.88	−17.56

DEC, JAN, and FEB: winter; MAR, APR, and MAY: summer; JUN, JUL, AUG, and SEP: SW monsoon; OCT, NOV: NE monsoon.