Weekly Weather Summary
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February 16, 2018 - February 22, 2018Max. Rainfall AmountMax. Temperature
Thailand
The weak high pressure area covered upper Thailand and the South China Sea during early and middle period then the moderate high pressure area respectively extended its ridge to cover northeastern and upper Thailand. In addition, the easterly wind prevailed over Thailand during middle period and the southeasterly wind prevailed over upper Thailand on 20 Feb. These conditions caused cool weather remained in the morning in several areas of Thailand with cold weather in the northern part while hot weather occurred during daytime in several areas. Rainfall was observed in all parts of Thailand during the second half of the period.    
Northern Part
Generally cool weather in the morning almost the period with cold weather in several areas of the upper portion. Cold to very cold weather in the mountainous areas and mountain tops. Hot weather occurred in several areas during daytime. Isolated to scattered rain during the second half of the period with thunderstorm and heavy to very heavy rainfall in some areas on 20 and 22 Feb. 170.0 mm at Si Nakhon Sukhothai on 20 Feb.  37.7 º C at Mueang Phetchabun on 16,17 Feb. and at Mueang Tak on 17 Feb.  
Northeastern Part
Generally cool weather in the morning during early period then increasing in temperature with cool weather remained in several areas of the upper portion. Cool to cold weather in the mountainous areas and mountain tops. During daytime, hot weather nearly the whole areas except for hot weather in some areas on the last day of the period. Isolated to scattered rain during the second half of the period with thunderstorm and heavy to very heavy rainfall in some areas during 20 - 22 Feb 145.0 mm at Kuchinarai Kalasin on 21 Feb.  37.8 º C at Mueang Chaiyaphum on 16 Feb. 
Central Part
Cool weather in the morning nearly the whole area during early period then increasing in temperature with cool weather remained in some areas. During daytime, hot weather in several areas. Isolated to scattered rain during the second half of the period and heavy rainfall in some areas on 22 Feb. 81.7 mm at Khao Laem National Park Kanchanaburi on 22 Feb.  38.0 º C at Mueang Kanchanaburi on 16,17 Feb. 
Eastern Part
Cool weather in the morning nearly the whole areas on the first day of the period then cool weather in some areas. During daytime, hot weather in several areas of upper portion. Scattered rain during the second half of the period with heavy rainfall in some areas on 22 Feb. 51.2 mm at Huai Pong Agromet Stn. Rayong on 22 Feb.  36.8 º C at Aranya Prathet. Sa Kaew on 16 Feb. 
Southern Part (East Coast)
Cool weather in the morning nearly the whole areas. During daytime, hot weather in some areas. Scattered rain with heavy rainfall in some areas on 19 Feb. and isolated rain occurred during late period. 43.0 mm at Thung Tako Chumporn on 19 Feb.  36.3 º C at Chawang Nakhon Si Thammarat on 17 Feb. 
Southern Part (West Coast)
Cool weather in the morning occurred in several areas. During daytime, hot weather in some areas. Fairly widespread rain with heavy rainfall in some areas on 19 Feb. and isolate rain on 22 Feb. 72.8 mm at Thalang Phuket on 19 Feb.  36.4 º C at Mueang Trang on 16 Feb. 
Metropolitan
Cool weather in the morning occurred in some areas during the first half of the period. During daytime, hot weather in some areas. Isolate rain on 19 Feb. and scattered rain on 22 Feb. 25.1 mm at Wat Thong School Khet Taling Chan on 22 Feb. Vicinity (23.9 mm at Bang Len Nakhon Pathom on 19 Feb.)   35.7 º C at Bangkok Port Khet Khlong Toei on 18 Feb. Vicinity (37.0 º C at Khlong Luang Pathumthani on 16 Feb.)  
Issued Date February 23, 2018