condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.01935366666666667 0.0 0.116122 10 h after light 0.0 0.0 0.0 14 h after light 0.0208425 0.0 0.125055 18 h after light 0.01925716666666667 0.0 0.115543 2 h after dark 0.0 0.0 0.0