condition	mean	min	max
0 h after light	7.40726	7.16172	7.6528
4 h after light	12.67135	12.1621	13.1806
8 h after light	21.7928	21.3846	22.201
4 h after dark	16.21185	15.0053	17.4184
8 h after dark	13.231750000000002	10.8152	15.6483
12 h after dark	4.700559999999999	3.33765	6.06347