condition	mean	min	max
4 h after light	2.75906	2.71773	2.80039
8 h after light	9.338425	8.46885	10.208
12 h after light	24.5073	22.2259	26.7887
4 h after dark	30.5062	30.0141	30.9983
8 h after dark	25.66105	25.0078	26.3143
12 h after dark	12.86045	12.5777	13.1432