condition	mean	min	max
4 h after light	5.200095	3.74002	6.66017
8 h after light	6.812485	6.4277	7.19727
12 h after light	5.65954	5.39983	5.91925
4 h after dark	12.29661	8.35533	14.2891
8 h after dark	15.002	11.566	17.3508
12 h after dark	8.724020000000001	8.07459	9.51232