condition	mean	min	max
4 h after light	3.787315	2.87031	4.70432
8 h after light	2.82308	2.66329	2.98287
12 h after light	2.5159599999999998	1.64912	3.3828
4 h after dark	2.7536199999999997	1.64074	3.8665
8 h after dark	2.135415	1.76031	2.51052
12 h after dark	2.827265	2.56836	3.08617