condition	mean	min	max
4 h after light	8.10714	8.05133	8.1603
8 h after light	7.790076666666667	7.691789999999999	7.942260000000001
12 h after light	7.78561	7.7359800000000005	7.82897
4 h after dark	7.78635	7.54075	7.92973
8 h after dark	7.952236666666667	7.69158	8.08446
12 h after dark	8.309063333333333	8.0228	8.50005