condition	mean	min	max
0 h after light	18.83495	18.4778	19.1921
4 h after light	14.012550000000001	13.7587	14.2664
8 h after light	16.3386	15.0692	17.608
4 h after dark	21.122	20.6783	21.5657
8 h after dark	14.9981	13.9608	16.0354
12 h after dark	17.0746	15.1717	18.9775