condition	mean	min	max
4 h after light	3736.8	3736.8	3736.8
8 h after light	4341.25	3569.8	5112.7
12 h after light	4779.7	4604.0	4955.4
4 h after dark	3885.1	3780.5	3989.7
8 h after dark	3760.4	3437.0	4083.8
12 h after dark	3342.15	3279.4	3404.9