condition mean min max 0 h after light 0.6493955 0.576669 0.722122 4 h after light 0.9381805 0.881374 0.994987 8 h after light 0.5808305 0.427894 0.733767 4 h after dark 0.638556 0.566362 0.71075 8 h after dark 0.35616349999999997 0.286367 0.42596 12 h after dark 0.214392 0.140837 0.287947