condition	mean	min	max
4 h after light	9.7411	8.7667	10.7155
8 h after light	16.488950000000003	16.4034	16.5745
12 h after light	20.746000000000002	20.1839	21.3081
4 h after dark	21.886400000000002	21.6508	22.122
8 h after dark	14.81465	14.5356	15.0937
12 h after dark	11.844850000000001	11.8263	11.8634