condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.04519595 0.0 0.0903919 4 h after light 0.0394604 0.0 0.0789208 8 h after light 0.08299035 0.0828326 0.0831481 12 h after light 0.172767 0.161726 0.183808 2 h after dark 0.0 0.0 0.0 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