condition	mean	min	max
4 h after light	4205.6	4205.6	4205.6
8 h after light	4737.9	4551.1	4924.7
12 h after light	4500.4	4393.4	4607.4
4 h after dark	4705.35	4348.6	5062.1
8 h after dark	4078.3	3796.0	4360.6
12 h after dark	3436.95	3069.2	3804.7