condition mean min max 0 h after light 0.5359695 0.428317 0.643622 4 h after light 2.7362900000000003 2.72765 2.74493 8 h after light 3.390645 2.96628 3.81501 4 h after dark 0.7376134999999999 0.736159 0.739068 8 h after dark 0.9531375 0.949138 0.957137 12 h after dark 1.2169500000000002 1.15067 1.28323