condition	mean	min	max
0 h after light	11.91785	11.7615	12.0742
4 h after light	10.027355	9.13641	10.9183
8 h after light	12.9072	12.5652	13.2492
4 h after dark	16.161	14.5821	17.7399
8 h after dark	15.5799	14.8523	16.3075
12 h after dark	11.28175	10.6186	11.9449