condition	mean	min	max
0 h after light	7.335735	6.89966	7.77181
4 h after light	11.058900000000001	10.7104	11.4074
8 h after light	12.90905	11.2948	14.5233
4 h after dark	18.549950000000003	16.9993	20.1006
8 h after dark	16.2905	16.2446	16.3364
12 h after dark	9.680779999999999	8.54426	10.8173