condition mean min max 4 h after light 0.0092328 0.0 0.0184656 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.008022933333333334 0.0 0.0240688 8 h after dark 0.009518466666666668 0.0 0.0285554 12 h after dark 0.0 0.0 0.0