condition	mean	min	max
4 h after light	15.5672155	15.374591	15.75984
8 h after light	14.8695655	14.389069	15.350062
12 h after light	15.8870105	15.557261	16.21676
4 h after dark	15.311857499999999	14.807704	15.816011
8 h after dark	15.336281	14.902757	15.769805
12 h after dark	15.374591	15.374591	15.374591