condition	mean	min	max
4 h after light	4.4431400000000005	4.2777400000000005	4.59125
8 h after light	4.485733333333333	4.25571	4.75136
12 h after light	4.51234	4.31885	4.77497
4 h after dark	4.50952	4.40792	4.56689
8 h after dark	4.394796666666667	4.18267	4.582380000000001
12 h after dark	4.4639766666666665	4.28776	4.8014