condition	mean	min	max
0 h after light	15.671199999999999	14.7294	16.613
4 h after light	13.15705	13.1142	13.1999
8 h after light	16.3337	16.101	16.5664
4 h after dark	22.29965	21.244	23.3553
8 h after dark	18.848100000000002	18.3615	19.3347
12 h after dark	16.372950000000003	15.8411	16.9048