condition	mean	min	max
4 h after light	8.29401	7.49593	9.09209
8 h after light	13.272300000000001	13.0576	13.487
12 h after light	27.307949999999998	26.2366	28.3793
4 h after dark	23.144	22.5239	23.7641
8 h after dark	14.163350000000001	14.0241	14.3026
12 h after dark	12.9164	11.1822	14.6506