condition	mean	min	max
4 h after light	538.0	538.0	538.0
8 h after light	417.45000000000005	392.6	442.3
12 h after light	482.5	450.8	514.2
4 h after dark	568.45	567.2	569.7
8 h after dark	618.3	577.8	658.8
12 h after dark	417.6	373.2	462.0