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

I. AGROCLIMATIC SUMMARY::

Fair weather will be experienced during the month of March. Light rains (5.3) will be experienced and a total evaporation of 177.7 mm is the normal value for the month.

Atmospheric and soil condition are dry hence, good drying condition for agricultural harvest prevails. Normal relative humidity in the morning is 81 %. Daylight duration is 12 hours and 5 minutes with 62 % total bright sunshine. This situation gives an amount of 20.5 MJ/m2 of solar radiation during most days of the month. Leaf wetness duration is up to 6 hours. Northerly to easterly winds will prevail.

The normal maximum air temperature is 32.7 °C. An extreme temperature of 36.5 °C was recorded on March 18, 1994. Minimum air temperature is 20.5 °C with an extreme coolness of 12.5°C as what was recorded on March 6, 1977.

II. AGROCLIMATIC DATA (AVERAGE)::

Decade Rainfall Rainy Tot AIR TEMPERATURE RH Solar Wind
(10 Day) (mm) days evap. Max. Min. (%) Rad. Speed
      (mm) (°C) (°C)   MJ/m2 (kpd)
March                
1-10 1.3 0 57.4 32.2 19.5 81 20.3 49.7
11-20 0.8 0 54.9 32.9 20.6 82 20.6 44.2
21-31 3.2 1 65.4 33.2 21.6 80 20.5 44.6

III. TROPICAL CYCLONE

Normal tropical cyclone track is far from the area and no single disturbance was recorded during the year 1948-2006.