condition	mean	min	max
4 h after light	5.39784	5.25708	5.61385
8 h after light	5.4588	5.23044	5.854
12 h after light	5.292393333333333	5.2532	5.34166
4 h after dark	5.43478	5.23585	5.72037
8 h after dark	5.32395	5.20096	5.48433
12 h after dark	5.2835600000000005	5.09363	5.4911