Fig.6 Trends in frequency of days with maximum temperature above 33/32°C in dry zone area for the period 1975-2015. Fig.7 Trends in frequency of days with maximum temperature above the 90th percentile (warm days) in dry zone area for the period 1975-2015. Table 3 shows in detail the calculated values used to determine the direction and s igni f icance of the t rends in ext r eme temperature for each of the five stations in dry zone area. The stations which showed a statistically significant trend at the 95% significance level are highlighted grey. In dry zone area, four of five stations showed statistically significant increase in maximum temperature, summer days, and warm nights while increase in minimum temperature and warm days. Only one station, Minbu, shows decreasing trend in maximum temperature with 0.02°C/decade. This could be considered as the effect from data missing during 1975 to 1980. (See Section II, B). Table 3 Trends in extreme temperature for the period 1975-2015 Tmaxmean Tminmean SU33/SU32 TX10P TN10P TX90P TN90P ( ̊ C/decade) ( ̊ C/decade) (Days/decade) (Days/decade) (Days/decade) (Days/decade) (Days/decade) Mandalay 0.35 0.27 12.04 -2.11 -2.76 3.34 2.13 Monywa 0.48 0.12 14.26 -2.53 -0.09 4.51 1.07 Meikthila 0.25 0.13 13.26 -0.72 -1.23 2.99 2.25 Minbu -0.02 0.14 0.30 0.98 0.88 0.91 3.52 Pyinmana 0.30 0.04 19.15 -1.12 0.17 3.85 0.58 Proceedings of the International Conference on Climate Change, Biodiversity and Ecosystem Services for the 299 Sustainable Development Goals (SDGs): Policy and Practice 27-29 June 2016, Cha-am, Phetchaburi, Thailand Station Temperature Indicies ̊̊ Note: Tmaxmean = mean maximum temperature, Tminmean = mean minimum temperature, SU33/SU22 = annual number of days when daily maximum temperature >33 C or 32 C, TX10P = Number of cool days, TN10P = Numer of cool nights, TX90P = Number of warm days, TN90P = Number of warm nights, (-) is decreasing trend, Stastically significance trend are set grey color at the 95% significance level
Proceedings of International Conference on Climate Change, Biodiversity and Ecosystem Services for the Sustainable Development Goals : Policy and Practice 27-29 June 2016 at the Sirindhorn International Environmental Park, Cha-am, Phetchaburi, Thailand
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