condition	mean	min	max
4 h after light	5.941535	5.47611	6.40696
8 h after light	6.35375	5.96184	6.74566
12 h after light	6.769025	5.91153	7.62652
4 h after dark	5.248545	5.12044	5.37665
8 h after dark	4.435835	4.08775	4.78392
12 h after dark	5.9913050000000005	5.73832	6.24429