Statistical Analysis of Rainfall Pattern and Trend of Chhattisgarh State, India

To analyze, the present rainfall status and trend, long term weather data (1980-2020) viz., gridded annual was analysed which obtained from department of Agrometeorology, Indira Gandhi Krishi Vishwavidyalaya Raipur, Using linear long-term change in has been evaluated. It is obsered that state receives maximum amount southwest monsoon, around 87 percent June to September, 15 29,26 16 Month July, August respectively. Long rainfall, it seen September less consistent since coefficient variation 33 30 percent, respectively; we would conclude more variability than monsoon months, SW rainfall. Average Monsoon Annual are months. District-wise minimum June, August, 37 (Kanker) 22 (Jashpur). Kabirdham district a 25 September. District Kanker Raigarh varied 14 for As regression Chhattisgarh increasing order, but 1980 2020 shows fluctuation trend line, then if system developed agrometeorology station at cluster level or block forecasting, will be able account these changes.From this, farmers receive timely information about allowing them conduct agricultural activities appropriate time.