condition	mean	min	max
4 h after light	8.352465	7.44383	9.2611
8 h after light	9.763584999999999	9.70788	9.81929
12 h after light	13.3483	13.2356	13.461
4 h after dark	16.324033333333333	15.5904	16.8064
8 h after dark	14.7615	13.4283	16.3075
12 h after dark	10.292233333333332	9.9675	10.5476