condition mean min max 4 h after light 4.272983333333333 2.43962 6.60157 8 h after light 2.1411883333333335 0.512285 3.35828 12 h after light 2.62295 1.32075 4.37268 4 h after dark 3.96117 3.09746 4.73069 8 h after dark 3.8155833333333335 2.60509 4.46187 12 h after dark 4.32904 3.66794 5.10542