condition	mean	min	max
0 h after light	19.016350000000003	18.2361	19.7966
4 h after light	15.22345	14.7315	15.7154
8 h after light	23.05165	21.784	24.3193
4 h after dark	21.769	21.0056	22.5324
8 h after dark	18.81375	17.4688	20.1587
12 h after dark	17.2085	15.0673	19.3497