condition	mean	min	max
0 h after light	17.3522	16.6028	18.1016
4 h after light	12.56315	12.5569	12.5694
8 h after light	12.79505	12.6128	12.9773
4 h after dark	14.0112	12.9381	15.0843
8 h after dark	17.86675	16.7411	18.9924
12 h after dark	22.27045	19.9267	24.6142