condition	mean	min	max
0 h after light	17.1665	16.5375	17.7955
4 h after light	7.47603	6.99773	7.95433
8 h after light	10.277455	8.46131	12.0936
4 h after dark	22.008200000000002	19.5255	24.4909
8 h after dark	21.991799999999998	19.9103	24.0733
12 h after dark	12.35005	10.6355	14.0646