condition	mean	min	max
0 h after light	22.1411	21.0919	23.1903
4 h after light	18.4893	17.7996	19.179
8 h after light	18.13425	17.6271	18.6414
4 h after dark	22.75055	20.3035	25.1976
8 h after dark	21.4215	20.2288	22.6142
12 h after dark	22.09635	20.1955	23.9972