condition	mean	min	max
4 h after light	11.09805	10.0768	12.1193
8 h after light	10.22266	9.67682	10.7685
12 h after light	11.6235	11.0363	12.2107
4 h after dark	17.669433333333334	16.2797	18.6624
8 h after dark	19.3095	17.9417	20.0013
12 h after dark	20.06436666666667	19.5626	20.7265