The national capital, Delhi, experienced pleasant day on Tuesday with the temperature hovering few degrees below normal. The minimum temperature this morning was four notches below average at 15.4 degrees Celsius. At 31.8 degrees Celsius, the maximum temperature on Monday was also a degree below normal. The met department predicts the sky to turn partly cloudy towards the Tuesday evening with the mercury likely to oscillate between 33 and 15 degrees Celsius.