condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.078684 0.0 0.236052 9 h after light 0.08858966666666666 0.0 0.265769 12 h after light 0.0556345 0.0 0.222538 3 h after dark 0.09200333333333333 0.0 0.27601 6 h after dark 0.09166833333333334 0.0 0.275005 9 h after dark 0.321652 0.0 0.713596 12 h after dark 0.0 0.0 0.0