New Delhi, Dec. 29 -- The Capital recorded 41.2mm of rain in the 24 hours till 8.30am on Saturday, marking the highest single day December rainfall in 101 years since 1923 and the second highest in recorded history since 1901. The exceptional rainfall comes as the India Meteorological Department (IMD) forecasts "cold wave" conditions likely to commence over north India from Sunday.

The weather department has issued an orange alert for Sunday and yellow alert for the subsequent two days in Delhi NCR, predicting spells of fog for which it advised citizens to be on watch.

"A spell of very light rain or drizzle was observed in some isolated places. An orange alert has been issued for Sunday, warning people of the possibility of a dense fog in...