condition mean min max 4 h after light 47.743611 39.025386 56.461836 8 h after light 59.9287355 45.382169 74.475302 12 h after light 53.637964499999995 51.775928 55.500001 4 h after dark 47.5023435 41.244672 53.760015 8 h after dark 42.297188500000004 42.003701 42.590676 12 h after dark 39.537294 39.537294 39.537294