condition mean min max 4 h after light 26.6259 22.4323 30.8195 8 h after light 42.3326 39.7945 44.8707 12 h after light 55.2261 46.9551 63.4971 4 h after dark 95.2756 93.0619 97.4893 8 h after dark 88.5276 86.1402 90.915 12 h after dark 62.6963 62.4269 62.9657