condition	mean	min	max
4 h after light	501.3	501.3	501.3
8 h after light	575.3	460.2	690.4
12 h after light	691.7	631.3	752.1
4 h after dark	493.95	376.4	611.5
8 h after dark	581.75	523.8	639.7
12 h after dark	517.05	504.9	529.2