condition	mean	min	max
0 h after light	18.4698	16.823	20.1166
4 h after light	17.78825	17.4673	18.1092
8 h after light	14.1192	13.3549	14.8835
4 h after dark	19.9713	18.3827	21.5599
8 h after dark	20.749299999999998	18.0683	23.4303
12 h after dark	20.2297	18.7976	21.6618