condition	mean	min	max
0 h after light	5.31738	4.50451	6.13025
4 h after light	4.36603	4.3155	4.41656
8 h after light	4.877675	4.54206	5.21329
4 h after dark	6.042705	6.03371	6.0517
8 h after dark	6.15734	6.11049	6.20419
12 h after dark	5.252555	4.69107	5.81404