condition	mean	min	max
4 h after light	15.7631295	12.969846	18.556413
8 h after light	19.345613	18.634238	20.056988
12 h after light	15.957716	14.028198	17.887234
4 h after dark	12.355187	11.764477	12.945897
8 h after dark	10.4358215	8.853105	12.018538
12 h after dark	13.648225	13.648225	13.648225