condition	mean	min	max
0 h after light	15.0039	14.7469	15.2609
4 h after light	16.7017	15.8937	17.5097
8 h after light	23.7783	23.4394	24.1172
4 h after dark	23.72415	22.6136	24.8347
8 h after dark	20.4672	19.9854	20.949
12 h after dark	12.9488	12.0059	13.8917