condition	mean	min	max
4 h after light	503.1	503.1	503.1
8 h after light	489.35	424.1	554.6
12 h after light	403.85	356.9	450.8
4 h after dark	266.15	238.6	293.7
8 h after dark	224.65	157.0	292.3
12 h after dark	238.9	236.5	241.3