condition	mean	min	max
0 h after light	12.31515	11.6482	12.9821
4 h after light	12.92285	11.3527	14.493
8 h after light	15.827950000000001	13.6746	17.9813
4 h after dark	17.4436	16.0761	18.8111
8 h after dark	17.97265	17.3782	18.5671
12 h after dark	14.166450000000001	13.5645	14.7684