condition	mean	min	max
0 h after light	7.04313	6.96002	7.12624
4 h after light	4.32272	3.65016	4.99528
8 h after light	5.743155	5.15738	6.32893
4 h after dark	6.39598	6.33301	6.45895
8 h after dark	5.6457999999999995	5.09066	6.20094
12 h after dark	4.62349	4.49749	4.74949