condition	mean	min	max
4 h after light	2.22365	0.0	4.4473
8 h after light	4.504005	0.0	9.00801
12 h after light	6.93741	2.20032	11.6745
4 h after dark	7.706645	1.95099	13.4623
8 h after dark	9.09636	4.81882	13.3739
12 h after dark	6.041895	5.69294	6.39085