Delhi recorded 39.8mm rainfall in the past 48 hours (25mm + 14.8mm) to break 20 years record since 2000 of the highest rainfall in the month of January. The normal rainfall for the month based on the last 30 years data is 19.3mm. This month also happens to be 3rd consecutive month to record above-normal rainfall for Delhi. Prior to this, January 2020 recorded 34.4mm and 2019 measured 37.8mm rainfall for Delhi.
The special inference of January 2021 being the normal threshold getting achieved in a single day on 03rd January. The following day, 4th January added another 14.8mm to score the highest in the last 2 decades. All is not yet over and more rain is expected today and tomorrow over Delhi and a sprinkle on 06th January also. Break of 24 hours and light rain may visit Delhi region even on 08th January.
An active western disturbance is parked over Jammu and Kashmir and neighbourhood with a support circulation over North Rajasthan. The duo will act in tandem to have fairly widespread moderate rain and thundershower accompanied with lightning and hail over plains of North India. Delhi is positioned on the fringes of this coupled weather system and therefore may escape the direct impact. However light rain with few moderate spells are expected from January 4th night till January 5th forenoon hours. The remnant of the system will have a residual effect and may cause isolated light rain in some areas lasting till 06th January. The minimum temperature is expected to stay in double-digit on 5th January and 6th January for Delhi thereby abating cold wave condition. Subsequently, the temperature is likely to dip and hover around 7-8°C till the end of this week for Delhi. The day maximum will record below normal to hover around 16-18°C.