condition mean min max 4 h after light 4.536213333333333 4.45001 4.67658 8 h after light 4.43794 4.37867 4.49245 12 h after light 4.37312 4.27924 4.44613 4 h after dark 4.5038366666666665 4.4631 4.52875 8 h after dark 4.56203 4.414969999999999 4.7314 12 h after dark 4.470946666666666 4.33373 4.54471