condition	mean	min	max
4 h after light	11.9032	10.1279	13.6785
8 h after light	13.138850000000001	11.6247	14.653
12 h after light	13.81635	12.7394	14.8933
4 h after dark	19.104550000000003	17.6487	20.5604
8 h after dark	15.99655	15.3492	16.6439
12 h after dark	16.20725	14.5252	17.8893