condition	mean	min	max
0 h after light	18.16375	17.8858	18.4417
4 h after light	24.493949999999998	23.1268	25.8611
8 h after light	29.5283	27.0086	32.048
4 h after dark	22.878	20.0745	25.6815
8 h after dark	16.80655	15.9978	17.6153
12 h after dark	19.51565	18.6975	20.3338