condition mean min max 4 h after light 11.71616 9.82962 13.6027 8 h after light 5.703775 5.69995 5.7076 12 h after light 4.374165 4.13132 4.61701 4 h after dark 3.29239 3.17283 3.41195 8 h after dark 8.51382 7.93715 9.09049 12 h after dark 9.074269999999999 8.83424 9.3143