condition	mean	min	max
4 h after light	7.717154000000001	7.303662	8.130646
8 h after light	8.376313	8.028481	8.724145
12 h after light	13.778751499999998	10.391778	17.165725
4 h after dark	14.128656	13.742203	14.515109
8 h after dark	28.307676	20.260795	36.354557
12 h after dark	8.973207	8.973207	8.973207