condition	mean	min	max
4 h after light	1017.2	1017.2	1017.2
8 h after light	1113.0500000000002	1027.4	1198.7
12 h after light	1101.65	1083.0	1120.3
4 h after dark	908.85	654.0	1163.7
8 h after dark	746.8499999999999	727.3	766.4
12 h after dark	745.35	741.2	749.5