condition	mean	min	max
4 h after light	12.2903	11.1928	13.3878
8 h after light	7.8530500000000005	7.51562	8.19048
12 h after light	6.670095	6.1901	7.15009
4 h after dark	9.040103333333333	7.70845	10.0003
8 h after dark	13.516433333333334	12.3502	14.8774
12 h after dark	12.250433333333334	10.0668	14.8064