condition	mean	min	max
4 h after light	4.89805	4.47097	5.32513
8 h after light	6.96779	6.90721	7.02837
12 h after light	9.60609	9.50965	9.70253
4 h after dark	8.955285	7.59227	10.3183
8 h after dark	7.396105	7.36892	7.42329
12 h after dark	6.79753	6.29227	7.30279