condition mean min max 3 h after light 41.6704 35.2878 46.4137 6 h after light 33.5094 28.2033 37.536 9 h after light 32.68893333333333 28.9899 34.8545 12 h after light 44.7925 37.3687 50.4981 3 h after dark 53.75216666666667 51.1384 58.457 6 h after dark 47.2738 44.4522 52.7844 9 h after dark 43.54013333333333 38.3742 48.977 12 h after dark 35.72443333333334 31.8282 41.7609