130 hours of sub-zero temperatures this month, so far!

The thermometer climbed a little higher yesterday, to a maximum of 6.0C at 14.26. It was another day of very light winds, maximum of 10mph and hours without any movement of the air. The sun was a little hazy at times but sill logged 5.26 hours of strong sunshine. Not surprisingly, with a clear sky, the thermometer then began a steady decline until a minimum of -3.8C was reached at 00.30 this morning when there was an about turn and the temperature gradually recovered to a low of -0.7C at 08.00
There have been 130 hours of sub-zero temperatures this month with the last two days recording 18 and 16 hours respectively below freezing. Freezing fog developed late evening with visibility down to around 200m. By dawn this freezing fog had developed into moving banks that varied in visibility from 200m to 1000m.