condition	mean	min	max
4 h after light	8.777360000000002	8.21319	9.34153
8 h after light	9.300709999999999	7.95172	10.6497
12 h after light	11.8281	11.0195	12.6367
4 h after dark	22.970950000000002	22.8061	23.1358
8 h after dark	19.6181	19.5263	19.7099
12 h after dark	12.703	12.4894	12.9166