On 18 Feb, 09:24, Ian wrote:
0900z Calm, 100m, +FZFG, OBSC, -4.5/-5.0, 1035.0 (F)

09-09z Tx +7.6, Tn -6.3, Tg -9.6, rain Tr (x)

RMK: Moderate hoar, light rime on trees. Ground frozen.
Fog has thickened in past hour, visibility was 400m at 08z
with the suns disc visible. Stunning white morning.

1210z ENE F1-2, 3000m BR, SKC, +3.1/+0.9, 1034.2 (F)

RMK: Out of fog limits by 1030z, hoar melted in sun at 11z.
Still have 3 nights worth of hoar in shaded areas. Sky a very
pale milky blue.

Ian,

Raunds, East Northants. 63m amsl. NGR SP9972.