condition mean min max 4 h after light 19.1184 17.5454 20.6914 8 h after light 12.780100000000001 12.5711 12.9891 12 h after light 18.776 18.3044 19.2476 4 h after dark 35.618433333333336 34.8808 36.0547 8 h after dark 41.24896666666667 39.8261 42.5326 12 h after dark 37.793033333333334 35.5013 39.1214