condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.01593875 0.0 0.0318775 8 h after light 0.0167288 0.0 0.0334576 12 h after light 0.016331 0.0 0.032662 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0162193 0.0 0.0324386 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0