condition	mean	min	max
0 h after light	21.1166	20.3439	21.8893
4 h after light	9.30884	6.83428	11.7834
8 h after light	14.147849999999998	11.3561	16.9396
4 h after dark	20.7217	19.5999	21.8435
8 h after dark	16.48415	16.0475	16.9208
12 h after dark	13.195350000000001	10.4303	15.9604