condition	mean	min	max
4 h after light	247.9	247.9	247.9
8 h after light	229.5	214.6	244.4
12 h after light	204.9	183.8	226.0
4 h after dark	249.5	242.0	257.0
8 h after dark	266.4	216.0	316.8
12 h after dark	241.65	233.8	249.5