Association of Agrometeorologists

Trends in temperature and rainfall extremes during recent years at different stations of Himachal Pradesh

RAJENDRA PRASAD, JYOTI PATIALandANUPAM SHARMA

Daily maximum and minimum temperatures of 4 stations and rainfall of 22 stations of Himachal Pradesh for the period of 1970 to 2014 have been used to work out extreme climate indices and trends. The temperature and rainfall indices for different stations studied showed no uniform trend. The results indicated the increasing trend in minimum of maximum and minimum of minimum temperature. The increased frequency of warm nights and warm spell but decrease in the number of hot days and hot nights were observed at Bajaura and Shimla. The maximum one day rainfall amount, maximum 5-day rainfall during the month and very wet days were found to decrease at most of the stations in the state. Consecutive wet days (CW D) and annual total rainy days (PRCPTOT) showed statistically mixed trends at various stations in the state.

Extremes, climate indices, precipitation, temperature, rainfall, trend