Rainfall analysis at Raikia block of Kandhamal district, Orissa.

摘要

The rainfall data for 23 years (1975-97) were analyzed. The average annual rainfall at Chakapada is 1,355.8 mm. Further 72.5% of annual rainfall is received from June to September (kharif). Frequency analysis for maximum annual rainfall data was done by using Weibull technique. Expected maximum annual daily total rainfall for different return periods was incorporated. Frequency analysis for monthly, seasonal and annual rainfall was carried out and values at 70% probability level was estimated. The kharif received 810.7 mm rainfall. June, July, August and September received 130.7, 172.7, 228.3 and 142.6 mm rainfall respectively. So cropping pattern may be planned accordingly.