condition	mean	min	max
4 h after light	1496.2	1496.2	1496.2
8 h after light	1203.15	1157.8	1248.5
12 h after light	1327.7	1124.5	1530.9
4 h after dark	1089.3	911.5	1267.1
8 h after dark	946.2	788.2	1104.2
12 h after dark	910.45	865.7	955.2