condition	mean	min	max
0 h after light	4.30436	4.29063	4.31809
4 h after light	5.496895	4.98428	6.00951
8 h after light	8.016565	7.84953	8.1836
4 h after dark	5.527475	5.50383	5.55112
8 h after dark	6.665595	6.48524	6.84595
12 h after dark	3.77488	3.36569	4.18407