condition mean min max 3 h after light 5.765816666666667 2.67792 10.1276 7 h after light 5.267445833333333 1.98552 8.88168 11 h after light 7.2241675 2.16032 13.1886 2 h after dark 7.723385 2.69733 14.7149 6 h after dark 7.099991666666667 3.07818 14.7505 10 h after dark 5.9648275 2.46419 12.2399