condition	mean	min	max
0 h after light	14.0375	13.5503	14.5247
4 h after light	14.7412	14.295	15.1874
8 h after light	18.6334	18.232	19.0348
4 h after dark	18.60215	18.2321	18.9722
8 h after dark	16.41555	16.1494	16.6817
12 h after dark	12.7846	12.4431	13.1261