condition	mean	min	max
0 h after light	18.951050000000002	16.4317	21.4704
2 h after light	18.4161	17.9041	18.9281
4 h after light	20.0509	19.5499	20.5519
8 h after light	14.81385	14.2178	15.4099
12 h after light	19.1892	18.3879	19.9905
2 h after dark	20.17655	18.5733	21.7798
4 h after dark	17.9185	17.1512	18.6858
8 h after dark	17.4665	16.8598	18.0732
12 h after dark	20.2514	18.6605	21.8423