condition	mean	min	max
0 h after light	6.571070000000001	6.50081	6.64133
4 h after light	4.54134	4.18419	4.89849
8 h after light	7.917275	6.60565	9.2289
4 h after dark	8.826705	6.94831	10.7051
8 h after dark	6.568655	6.49095	6.64636
12 h after dark	6.133135	6.07549	6.19078