condition	mean	min	max
4 h after light	277.0	277.0	277.0
8 h after light	274.35	257.3	291.4
12 h after light	269.7	230.1	309.3
4 h after dark	450.85	310.1	591.6
8 h after dark	540.15	461.4	618.9
12 h after dark	476.6	323.5	629.7