Mr Grisenthwaite's first cut of the year was 13 days earlier in 2004 than in 1984, while his last cut was 17 days later, thus providing evidence for an earlier onset of spring and a warmer climate in general.
Mr. Grisenthwaite's early start in 2004 compared to 1984, along with a later finish, indicates an earlier onset of spring and a more temperate climate overall.