condition mean min max 2 h after light 68.42141666666666 60.9201 76.5953 6 h after light 52.94625 44.3565 61.4429 10 h after light 53.8149 27.399 72.2307 14 h after light 56.42915 43.7667 71.7175 18 h after light 52.269866666666665 45.2125 58.8295 2 h after dark 69.33709999999999 56.6451 77.1045