condition	mean	min	max
4 h after light	14.967013999999999	13.69965	16.234378
8 h after light	16.5663445	15.736319	17.39637
12 h after light	18.172381	16.984568	19.360194
4 h after dark	16.857001	13.180656	20.533346
8 h after dark	16.9768485	16.234378	17.719319
12 h after dark	14.148939	14.148939	14.148939