They can appear in any of the snow months but are most commonly seen on warm days when the temperature climbs above freezing.
(They; can appear; L:in any of the snow months) (They; are most commonly seen; T:on warm days) (the temperature; climbs; above freezing; T:warm days)
They They the temperature
can appear are most commonly seen climbs
L:in any of the snow months
T:on warm days
above freezing T:warm days