condition	mean	min	max
4 h after light	16.848229	16.186493	17.509965
8 h after light	23.363629000000003	18.748346	27.978912
12 h after light	17.771576500000002	16.922445	18.620708
4 h after dark	18.449751	16.880436	20.019066
8 h after dark	18.8108365	15.833713	21.78796
12 h after dark	15.737185	15.737185	15.737185