condition	mean	min	max
4 h after light	14.49155	12.5679	16.4152
8 h after light	16.0609	15.157	16.9648
12 h after light	13.94205	13.6006	14.2835
4 h after dark	19.8585	19.2618	20.2586
8 h after dark	24.157999999999998	22.554	25.0388
12 h after dark	20.082	17.5939	24.9658