condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0285934 0.0 0.0857802 6 h after dark 0.036055333333333335 0.0 0.108166 9 h after dark 0.09178933333333333 0.0 0.275368 12 h after dark 0.0 0.0 0.0