Frost days (18Z D-1 to 06Z D) for May 2021 (stations with >= 06 observations).
(03xxx stations, 90 sites).

Top 10
Bealach Na Ba No. 2 (773 m)6 days
Cairnwell (933 m)6 days
Great Dun Fell No. 2 (847 m)6 days
Eskdalemuir (242 m)5 days
Redesdale Camp (211 m)5 days
Shap (255 m)5 days
Warcop Range (227 m)5 days
Altnaharra No. 2 (81 m)4 days
Hurn (10 m)4 days
Bala (163 m)3 days


Data courtesy of MetOffice, OGIMET, Environment Agency and Scottish Environment Protection Agency

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