condition mean min max 4 h after light 23.98375 23.4591 24.5084 8 h after light 15.850000000000001 15.2977 16.4023 12 h after light 7.03123 7.03087 7.03159 4 h after dark 1.4274399999999998 1.02422 1.83066 8 h after dark 3.576065 3.37288 3.77925 12 h after dark 7.662475000000001 7.5769 7.74805