condition	mean	min	max
4 h after light	1097.8	1097.8	1097.8
8 h after light	979.75	757.8	1201.7
12 h after light	929.4	895.4	963.4
4 h after dark	706.15	701.3	711.0
8 h after dark	670.85	606.6	735.1
12 h after dark	680.35	531.6	829.1