condition mean min max 4 h after light 3.2759340000000003 3.150289 3.4933660000000004 8 h after light 3.122157666666667 1.62334 5.126081 12 h after light 6.15407 1.447158 10.676969999999999 16 h after light 17.897185333333333 2.78314 41.5625 4 h after dark 4.187133333333334 2.994726 6.416078 8 h after dark 2.599428 1.666311 4.43124