condition	mean	min	max
0 h after light	5.896695	5.49835	6.29504
4 h after light	3.478725	3.3559	3.60155
8 h after light	3.9398299999999997	3.86459	4.01507
4 h after dark	4.95947	4.77601	5.14293
8 h after dark	5.17797	4.94075	5.41519
12 h after dark	5.05034	4.34824	5.75244