condition mean min max 0 h after light 15.74215 14.8414 16.6429 2 h after light 5.901275 5.03338 6.76917 4 h after light 5.215675 4.6978 5.73355 8 h after light 5.4961199999999995 4.63011 6.36213 12 h after light 8.508875 7.84121 9.17654 2 h after dark 11.51295 11.248 11.7779 4 h after dark 13.927299999999999 13.7445 14.1101 8 h after dark 20.15615 19.6197 20.6926 12 h after dark 16.8741 15.0998 18.6484