condition	mean	min	max
4 h after light	14.504321000000001	13.898417	15.110225
8 h after light	18.2893905	11.176631	25.40215
12 h after light	18.27736	11.518426	25.036294
4 h after dark	9.4742945	7.771197	11.177392
8 h after dark	8.527348	8.206109	8.848587
12 h after dark	17.440611	17.440611	17.440611