condition	mean	min	max
4 h after light	7.397130000000001	5.82205	8.97221
8 h after light	7.08723	6.77428	7.40018
12 h after light	15.1578	13.108	17.2076
4 h after dark	15.799966666666666	14.9891	16.5846
8 h after dark	14.014066666666666	13.6867	14.3584
12 h after dark	10.2702	9.7436	11.1555