condition	mean	min	max
4 h after light	8.513175	6.62565	10.4007
8 h after light	4.493445	3.67867	5.30822
12 h after light	4.071485	3.77283	4.37014
4 h after dark	4.795193333333334	4.5237	5.22999
8 h after dark	6.978303333333334	6.73418	7.24884
12 h after dark	6.75948	5.79052	7.60452