condition	mean	min	max
4 h after light	23.372476499999998	20.934459	25.810494
8 h after light	15.527147	15.496277	15.558017
12 h after light	12.674381499999999	11.460729	13.888034
4 h after dark	11.412658	10.389746	12.43557
8 h after dark	11.899839	11.533945	12.265733
12 h after dark	20.359231	20.359231	20.359231