Spring evenings are often cold and raw, and though this had been a fine day, warm even in the morning and meridian sunshine, the air chilled at sunset, the ground crisped, and ere dusk a hoar frost was insidiously stealing over growing grass and unfolding bud. 
Though this had been a fine day, the air chilled at sunset, the ground crisped, and by dusk frost was insidiously stealing over the grass. 