condition	mean	min	max
0 h after light	6.570685	5.92963	7.21174
4 h after light	2.99411	2.63427	3.35395
8 h after light	2.48796	2.21619	2.75973
4 h after dark	3.61564	3.47461	3.75667
8 h after dark	3.63387	3.55133	3.71641
12 h after dark	5.356405	4.0543	6.65851