Dry sunny cold. Heavy frost. Underlane somewhat icy all day. Sun melted frost where it reached, but still white in afternoon on top strip shaded by hedge for about 20ft out, and also on north side of many tussocks. Only a flying visit.
Outside shed: max 5.8 current 5.8 minimum -5.8 @14:00, in tunnel 14deg @ 14:30, min -5.5deg.