condition mean min max 3 h after light 42.967 36.5919 54.3873 6 h after light 37.3395 33.7844 41.3074 9 h after light 43.960366666666665 38.2057 52.4393 12 h after light 52.868775 35.078 61.5358 3 h after dark 59.1853 46.2936 66.1531 6 h after dark 42.04053333333333 37.5053 46.824 9 h after dark 30.305533333333333 26.8408 32.6062 12 h after dark 21.885550000000002 21.4677 22.3034