Temperatures drop to -50C during the long winters, when blazing Northern Lights are more common than the three daily hours of sunlight.
(when blazing Northern Lights; are; more common than the three daily hours of sunlight) Context(when blazing Northern Lights are,List([51, 83))):(Temperatures; drop; T:during the long winters)
when blazing Northern Lights are,List([51, 83))
when blazing Northern Lights Temperatures
are drop
more common than the three daily hours of sunlight
T:during the long winters