Journal of Climatology

Research Article

Climatic Variation at Thumba Equatorial Rocket Launching Station, India

Table 3

Climatology and Δ of dry-bulb temperature, wet bulb temperature, dew point temperature, relative humidity, and soil temperature.


Month	Dry-bulb temperature (0830 IST) °C			Wet-bulb temperature (0830 IST) °C			Dew point temperature (0830 IST) °C			Relative humidity (%) (0830 IST)			Soil temperature (0830 IST) °C
Month	1964–1993	1979–2008	Δ	1964–1993	1979–2008	Δ	1964–1993	1979–2008	Δ	1964–1993	1979–2008	Δ	1964–1993	1979–2008	Δ

JAN	26.06	27.07	+1.01	22.33	22.90	+0.57	20.35	20.69	+0.34	71.36	68.85	−2.51	29.03	31.38	+2.35
FEB	26.77	27.71	+0.94	23.04	23.55	+0.51	21.12	21.43	+0.31	71.76	69.41	−2.35	30.41	32.54	+2.13
MAR	28.31	29.20	+0.89	24.58	24.94	+0.36	22.81	22.94	+0.13	72.55	69.53	−3.02	32.80	34.25	+1.45
APR	29.29	30.00	+0.71	26.09	26.30	+0.21	24.71	24.72	+0.01	76.56	73.61	−2.95	33.73	35.11	+1.38
MAY	28.70	29.43	+0.73	26.12	26.43	+0.31	25.02	25.17	+0.15	80.94	78.33	−2.61	32.46	34.16	+1.70
JUN	26.61	27.33	+0.72	25.20	25.57	+0.37	24.55	24.81	+0.26	88.51	86.43	−2.08	29.55	30.99	+1.44
JUL	25.76	26.36	+0.60	24.55	24.88	+0.33	23.95	24.21	+0.26	89.80	88.03	−1.77	29.01	30.00	+0.99
AUG	25.90	26.60	+0.70	24.60	24.96	+0.36	23.97	24.22	+0.25	89.40	86.98	−2.42	29.60	30.96	+1.36
SEP	26.62	27.37	+0.75	24.84	25.21	+0.37	24.02	24.25	+0.23	85.77	83.45	−2.32	31.10	32.23	+1.13
OCT	26.81	27.59	+0.78	24.90	25.33	+0.43	24.02	24.32	+0.30	85.01	82.61	−2.40	31.40	32.45	+1.05
NOV	26.90	27.63	+0.73	24.40	24.86	+0.46	23.27	23.58	+0.31	80.84	79.35	−1.49	30.99	32.02	+1.03
DEC	26.70	27.59	+0.89	23.35	23.72	+0.37	21.61	21.74	+0.13	74.48	71.39	−3.09	30.52	32.09	+1.57

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