condition	mean	min	max
4 h after light	12.9167495	11.957246	13.876253
8 h after light	15.681107999999998	14.425526	16.93669
12 h after light	13.038174	12.915941	13.160407
4 h after dark	16.493886	16.193862	16.79391
8 h after dark	15.620429	13.744426	17.496432
12 h after dark	14.540879	14.540879	14.540879