condition	mean	min	max
4 h after light	15.808768500000001	12.666429	18.951108
8 h after light	14.2771455	13.876284	14.678007
12 h after light	14.6409415	12.908117	16.373766
4 h after dark	13.8863115	13.722067	14.050556
8 h after dark	14.053224499999999	12.523151	15.583298
12 h after dark	14.496518	14.496518	14.496518