condition	mean	min	max
4 h after light	3678.9	3678.9	3678.9
8 h after light	3361.15	2878.5	3843.8
12 h after light	1881.0	1203.8	2558.2
4 h after dark	1137.2	1022.1	1252.3
8 h after dark	1369.15	1163.7	1574.6
12 h after dark	1880.75	1616.1	2145.4