condition	mean	min	max
0 h after light	11.059905	9.88241	12.2374
4 h after light	4.11842	3.43532	4.80152
8 h after light	7.253119999999999	6.30057	8.20567
4 h after dark	6.759695000000001	6.13196	7.38743
8 h after dark	6.365724999999999	5.04228	7.68917
12 h after dark	8.42006	5.36742	11.4727