The minimum was teo degrees higher than yesterday's minimum of 2.6 degrees which was lowest of the season so far.
The dense fog badly affected train operation in the northern zone. According a northern Railway official, 98 trains were running late by several hours. Almost all north-bound trains including Mahananda Express, north-east Express, Vikramshila Express, Magadh Express, Punjab Mail, Poorva Express are running more than ten hours late.
23 flights, mostly international, have also been delayed due to foggy conditions.
The visibility according to MeT departments officials was 50 meters at 5.30 AM which increased to 100 meters at 8.30 AM.
MeT has predicted a clear day ahead.
"The maximum is expected to hover at 19 degrees Celsius," said the weatherman.
