condition	mean	min	max
0 h after light	5.55046	5.16462	5.9363
4 h after light	4.55004	4.50243	4.59765
8 h after light	13.22635	13.0602	13.3925
4 h after dark	7.061885	6.99446	7.12931
8 h after dark	6.504555	6.20925	6.79986
12 h after dark	4.51791	3.82384	5.21198