condition	mean	min	max
0 h after light	11.13533	9.88826	12.3824
4 h after light	16.4934	15.1131	17.8737
8 h after light	20.42465	17.6149	23.2344
4 h after dark	22.90015	19.0936	26.7067
8 h after dark	21.58325	18.414	24.7525
12 h after dark	12.40155	11.5208	13.2823