condition	mean	min	max
0 h after light	20.2339	18.9904	21.4774
4 h after light	13.92695	13.3026	14.5513
8 h after light	17.16245	16.9308	17.3941
4 h after dark	24.4981	23.3957	25.6005
8 h after dark	18.720100000000002	18.5014	18.9388
12 h after dark	16.82235	15.7801	17.8646