condition mean min max 0 h after light 17.607 15.0949 20.1191 2 h after light 10.14955 9.001 11.2981 4 h after light 3.94611 3.87526 4.01696 8 h after light 3.7011 1.85583 5.54637 12 h after light 7.0968 6.97428 7.21932 2 h after dark 7.424995000000001 5.22975 9.62024 4 h after dark 10.193905 9.67941 10.7084 8 h after dark 21.46895 19.4918 23.4461 12 h after dark 21.41975 20.333 22.5065