condition	mean	min	max
0 h after light	14.0511	12.7812	15.321
4 h after light	21.5729	21.218	21.9278
8 h after light	21.9506	20.0161	23.8851
4 h after dark	22.7346	21.8657	23.6035
8 h after dark	17.8767	16.9253	18.8281
12 h after dark	15.948	13.6472	18.2488