condition mean min max 0 h after light 2.4095899999999997 1.80518 3.014 4 h after light 0.872379 0.791025 0.953733 8 h after light 0.33758699999999997 0.266827 0.408347 4 h after dark 1.382045 1.18194 1.58215 8 h after dark 1.621025 1.38279 1.85926 12 h after dark 2.1488899999999997 1.89411 2.40367