condition	mean	min	max
4 h after light	18.05565	13.5862	22.5251
8 h after light	19.612299999999998	18.5098	20.7148
12 h after light	11.597169999999998	9.23904	13.9553
4 h after dark	11.213386666666667	8.90416	14.0787
8 h after dark	11.310133333333333	10.4301	12.8183
12 h after dark	14.430066666666667	11.9601	16.2505