Department of Physics

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Trends Of Surface Air Temperature And Precipitation Over Tororo-Uganda
(Busitema University, 2024) Chebet Difas
Surface air temperature (SAT) and precipitation are important variables, the coupling of which is crucial in understanding the variation in the Earth’s climate under the effects of global warming. It is known that these two variables vary differently overtime in different regions of the world. This research is aimed at determining the diurnal and seasonal trend of surface air temperature and precipitation, and also the correlation that exists between the two climatic variables. Climate data from the meteorological station in Tororo were collected and the data set consisted of average values of surface air temperature and precipitation for two years, 2017 and 2018. The results show that the surface air temperature has a clear diurnal trend with a maximum at 29.3 C and a minimum at 17.1 C. similarly the precipitation over Tororo has a diurnal pattern characterized by a maximum at 3.6mm and a minimum at 0.02mm. The seasonal pattern reveals that Tororo has two seasons, the dry season which stretches from around November to March while the wet season extends from April to around October. With focus on 2018, the correlation between surface air temperature and precipitation was calculated using the spearman’s rank correlation method with the help of the JASP software. A strong negative correlation between the two variables was obtained.