condition	mean	min	max
0 h after light	6.79921	6.65296	6.94546
4 h after light	7.489129999999999	7.31405	7.66421
8 h after light	7.98631	7.48519	8.48743
4 h after dark	8.286365	7.9409	8.63183
8 h after dark	7.824350000000001	7.30309	8.34561
12 h after dark	6.499825	6.32931	6.67034