condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0907115 0.0 0.181423 4 h after light 0.04438015 0.0 0.0887603 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.2533895 0.0 0.506779 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0