condition	mean	min	max
4 h after light	994.0	994.0	994.0
8 h after light	891.6	888.7	894.5
12 h after light	891.8	762.2	1021.4
4 h after dark	845.55	721.8	969.3
8 h after dark	875.15	848.0	902.3
12 h after dark	867.3	840.7	893.9