condition	mean	min	max
4 h after light	4.340043333333333	4.1429599999999995	4.5936
8 h after light	4.257846666666667	4.21815	4.3055699999999995
12 h after light	4.2725800000000005	4.23883	4.2942800000000005
4 h after dark	4.254303333333333	4.17137	4.3322199999999995
8 h after dark	4.219609999999999	4.166119999999999	4.3169699999999995
12 h after dark	4.206423333333333	4.17264	4.27348