Precipitation falls mostly between January and mid-May, but thunderstorms, rain and even snow can occur at any time of year.
(Precipitation; falls mostly; T:between January and mid-May) (thunderstorms, rain and even snow; can occur; T:at any time of year)
Precipitation thunderstorms, rain and even snow
falls mostly can occur
T:between January and mid-May
T:at any time of year