condition	mean	min	max
4 h after light	4.913655	4.21944	5.60787
8 h after light	5.87793	5.77135	5.98451
12 h after light	8.311875	7.97239	8.65136
4 h after dark	9.457683333333334	8.78828	9.82051
8 h after dark	7.535293333333333	7.11241	8.18549
12 h after dark	6.140736666666667	6.0498	6.3003