condition	mean	min	max
4 h after light	1311.7	1311.7	1311.7
8 h after light	1104.9	1046.1	1163.7
12 h after light	1121.8	1084.0	1159.6
4 h after dark	1347.65	1232.3	1463.0
8 h after dark	1407.3	1251.6	1563.0
12 h after dark	1416.25	1347.9	1484.6