AGROCLIMATIC INFORMATION FOR AGRICULTURAL PLANNING AND OPERATION IN ILOCOS NORTE PARTICULARLY BATAC AND SURROUNDING AREAS FOR THE MONTH OF FEBRUARY

I. AGROCLIMATIC SUMMARY::

Partly cloudy to cloudy skies is prevalent sky condition of the area. Dry atmosphere is experience during February. Rainfall amount of 2.3 mm and a total evaporation of 146.5 mm are normal values for the month.

Normal relative humidity in the morning is 82%. Daylight duration is 11 hours and 34 minutes with 68% total bright sunshine. This situation gives an amount of 19.8 MJ/m² of solar radiation during most days of the month. Leaf wetness duration is up to 6 hours. Light northerly to northeasterly winds prevail.

The maximum and minimum air temperature are 31.7°C and 19.1°C with an extreme coolness of 11.6 as what was recorded on February 5, 1977..

II. AGROCLIMATIC DATA (AVERAGE)::

Decade	Rainfall	Tot	AIR TEMPERATURE		RH	Solar	Wind
(10 Day)	(mm)	evap.	Max.	Min.	(%)	Rad.	Speed
		(mm)	(°C)	(°C)		MJ/m2	(kpd)
February
1-10	1.0	48.7	31.2	18.7	82	19.5	39.4
11-20	0.6	50.4	31.6	19.1	83	19.9	39.2
21-31	0.7	47.4	32.1	19.4	82	20.4	36.7

III. TROPICAL CYCLONE

The area is outside the Normal Tropical Cyclone Track. No trace of tropical disturbance during February.