condition	mean	min	max
4 h after light	21.77212	17.455197	26.089043
8 h after light	25.603493	21.004991	30.201995
12 h after light	19.67714	16.282937	23.071343
4 h after dark	10.886151	7.648227	14.124075
8 h after dark	10.1947995	9.720433	10.669166
12 h after dark	12.406134	12.406134	12.406134