condition	mean	min	max
4 h after light	4194.0	4194.0	4194.0
8 h after light	4471.65	3809.9	5133.4
12 h after light	4551.75	4347.7	4755.8
4 h after dark	4385.15	4351.2	4419.1
8 h after dark	3848.35	3716.6	3980.1
12 h after dark	3264.05	3234.3	3293.8