Chandigarh, Jan 13 (Agencies): Punjab and Haryana got some respite from intense cold conditions as the minimum temperature dropped by three degrees Celsius even as most parts of the region remained engulfed under a thick blanket of fog on Thursday.

There was a marginal increase in minimum temperature in the region with the mercury hovering between one to three degrees Celsius below normal, the MeT office said.

In the plains of two neighbouring states, Ludhiana was coldest with a low of 2.8 degrees Celsius, which was three notches below normal.

While Amritsar braved a low of 3.4 degrees Celsius, the minimum temperature at Patiala was 3.9 degrees Celsius, two notches below normal.

Among other places, Karnal settled at a low of 4.6 degrees Celsius, two notches below normal, followed by 4.9 degrees Celsius at Rohtak and 5.2 degrees Celsius at Chandigarh.

Ambala had a low of 6.2 degrees Celsius whereas Hisar settled at a low of 6.3 degrees Celsius.

However, a thick blanket of fog reduced visibility at  several places in the region, including Ambala, Karnal, Rohtak, Bathinda, Jalandhar, Ludhiana, Amristar and Pathankot.

In view of reduced visibility, several trains were running late, officials said here.

The MeT forecast dry weather during the next two days with foggy conditions in the region.