condition	mean	min	max
4 h after light	2.56677	2.05733	3.07621
8 h after light	3.447285	3.29092	3.60365
12 h after light	5.21	4.62073	5.79927
4 h after dark	8.13658	7.1119	9.31507
8 h after dark	5.7182933333333335	5.19082	6.44599
12 h after dark	3.6891233333333333	2.74712	5.21967