The people of the country are now realizing the meaning of the proverb 'tiger escapes in winter'. At least 40 districts of the country are trembling due to severe and moderate cold wave. Public life has been disrupted. On Saturday, only Kurigram and Srimangal had mild cold spells. It spread to at least 40 districts in a day's time on Sunday. The night temperature in different districts has dropped by 4-5 degrees Celsius. The lowest temperature recorded in the country was 5.5 degrees Celsius at Rajarhat in Kurigram, which is the lowest temperature this winter.