10 - DAY AGROMET BULLETIN

WEATHER REVIEW FOR AGRICULTURAL USERS
OF MALAYSIA

1ST. - 10TH. JANUARY 2004

RAINFALL

Generally, during this first 10-day period of the year 2004, most parts of Malaysia recorded normal to below normal rainfall except for west Pahang, Selangor, east Terengganu and central coastal Sarawak which had above normal rainfall (as shown on map in Figure 2).  Map of Rainfall Total (mm) shown in Figure 1 below, Sarawak were comparatively wetter than the Peninsula and Sabah, with most parts had rainfall amount ranging from 70 to 200mm.  However, northeast & southwest Sarawak recorded rainfall amount of between 30 to 70mm.  In general, most places in the Peninsula recorded rainfall amount less than 70mm.  There were some areas in most parts of Selangor and a part of coastal Terengganu that had rainfall amount ranging from 70 to 170mm.  While Sabah were dry with most parts had total of rainfall of less than 30mm (except southwest Sabah which had 30 to 70mm of rainfall). The highest total rainfall of 206mm was recorded at Kuching, Sarawak where 9 out of the 10-day period were raining. On the average, most areas in Malaysia recorded 2 to 6 raindays.  The wet areas recorded 7 to 9 raindays whereas the dry areas areas had 1 or less raindays.    

Figure 2 : Rainfall Percentage from Normal (%)

Figure 3 : Extreme Weather Conditions

EVAPORATION

Most places of Malaysia recorded normal evaporation rates except for (southern Selangor, western Negeri Sembilan, Malacca and a part of southeast Sabah) had above normal evaporation rates and central coastal Sarawak which recorded below normal evaporation rates.  In Figure 4 shown below, the daily evaporation rates of between 3 to 5mm were recorded over most places in Malaysia.  Higher evaporation rates of between 5 to 6.5mm per day were recorded over northern Kedah, Langkawi Island, south Perlis, Malacca, south Negeri Sembilan and part of northwest Sabah. On the other hand, lower evaporation rates of between 2 and 3mm per day were recorded over parts of northeast Kelantan, part of northwest Pahang, a part of southeast Terengganu and western-tips of Sarawak.

Figure 4: Mean Daily Evaporation (mm)

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