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 147.2 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 19.1 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 31.8°C and 18.8°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 0.9 49.3 31.5 18.5 82 18.8 48.7
11-20 0.7 50.5 31.9 19.0 83 19.1 47.5
21-31 0.7 47.4 32.1 19.0 82 19.3 44.3

III. TROPICAL CYCLONE

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