condition mean min max 0 h after light 0.10674 0.040233 0.173247 2 h after light 0.0225849 0.0 0.0451698 4 h after light 0.07959635 0.0408797 0.118313 8 h after light 0.06216725 0.0415499 0.0827846 12 h after light 0.02020405 0.0 0.0404081 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0193344 0.0 0.0386688 8 h after dark 0.0218199 0.0 0.0436398 12 h after dark 0.0619545 0.0 0.123909