condition mean min max 4 h after light 49.9804 46.0735 53.8873 8 h after light 60.656549999999996 60.0437 61.2694 12 h after light 38.105199999999996 37.3132 38.8972 4 h after dark 72.00104999999999 68.2909 75.7112 8 h after dark 66.90965 60.3742 73.4451 12 h after dark 68.12365 63.8841 72.3632