condition	mean	min	max
4 h after light	4.403325	3.16815	5.6385
8 h after light	6.5846599999999995	5.72415	7.44517
12 h after light	9.566385	9.18405	9.94872
4 h after dark	8.963304999999998	8.70216	9.22445
8 h after dark	9.41092	9.10548	9.71636
12 h after dark	6.88147	6.78297	6.97997