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ABSTRACT
The temporal variation in maximum (Tmax), mean (Tmean) and minimum (Tmin) temperature for 63 years (1951–2013) were analysed over the Wainganga sub-basin, part of the Godawari basin using Mann–Kendall (MK) test and Sen’s Slope Estimator (SSE). The shifting in temperature pattern was analysed using Pettitt’s test, Standard Normal Homogeneity Test (SNHT) and Buishand’s test. Results of the MK test and SSE for monthly temperatures show both upward and downward trends. Seasonal analysis shows the positive trend of all temperatures. It has been found that Tmax, Tmean and Tmin are rising by 0.5 ºC, 0.37ºC and 0.25ºC, respectively, during the study period. Spatial analysis using inverse distance weighted interpolation method (IDW) shows maximum variation in Tmin. The annual mean temperature in the southern parts of the basin shows a significant positive trend.
Disclosure statement
No potential conflict of interest was reported by the authors.