condition	mean	min	max
4 h after light	5.521933333333333	5.47791	5.5595
8 h after light	5.53817	5.31806	5.74942
12 h after light	5.67386	5.5281400000000005	5.94382
4 h after dark	5.81748	5.71235	5.8867
8 h after dark	5.919006666666667	5.68355	6.29788
12 h after dark	5.958943333333333	5.95677	5.9629199999999996