condition	mean	min	max
4 h after light	5.01227	4.35051	5.67403
8 h after light	4.818455	4.45772	5.17919
12 h after light	7.4187650000000005	7.18139	7.65614
4 h after dark	7.6607199999999995	7.40277	7.91867
8 h after dark	6.645315	6.61111	6.67952
12 h after dark	5.95904	5.89549	6.02259