condition	mean	min	max
4 h after light	2991.7	2991.7	2991.7
8 h after light	3064.65	2889.5	3239.8
12 h after light	3243.15	3070.5	3415.8
4 h after dark	3146.45	2802.8	3490.1
8 h after dark	3341.3	3281.0	3401.6
12 h after dark	3288.6	3090.7	3486.5