condition mean min max 4 h after light 4.791905 3.43992 6.14389 8 h after light 3.3518999999999997 3.34442 3.35938 12 h after light 4.63668 3.40383 5.86953 4 h after dark 4.04866 3.57014 4.52718 8 h after dark 4.4504150000000005 3.87637 5.02446 12 h after dark 4.20977 3.22916 5.19038