condition	mean	min	max
0 h after light	7.41177	7.28555	7.53799
4 h after light	6.352475	6.05798	6.64697
8 h after light	5.008115	4.93678	5.07945
4 h after dark	10.02985	10.0101	10.0496
8 h after dark	14.6217	14.5866	14.6568
12 h after dark	7.83482	7.52787	8.14177