condition	mean	min	max
0 h after light	5.592885	5.48238	5.70339
4 h after light	4.833629999999999	4.43408	5.23318
8 h after light	4.90291	4.22843	5.57739
4 h after dark	6.035615	5.34243	6.7288
8 h after dark	7.17518	6.6886	7.66176
12 h after dark	5.221080000000001	4.77388	5.66828