condition	mean	min	max
4 h after light	6454.7	6454.7	6454.7
8 h after light	6517.950000000001	6118.3	6917.6
12 h after light	5243.8	4356.5	6131.1
4 h after dark	4235.05	3784.9	4685.2
8 h after dark	4600.55	4015.3	5185.8
12 h after dark	5112.35	4777.2	5447.5