condition	mean	min	max
4 h after light	19.90205	18.8632	20.9409
8 h after light	19.6833	19.5277	19.8389
12 h after light	24.0559	22.712	25.3998
4 h after dark	26.4568	24.2766	28.637
8 h after dark	26.2299	25.6095	26.8503
12 h after dark	24.8398	24.1925	25.4871