condition mean min max 4 h after light 1.43677 1.05676 1.81678 8 h after light 1.797345 1.76744 1.82725 12 h after light 2.5854749999999997 2.16966 3.00129 4 h after dark 4.2136000000000005 3.93005 4.49715 8 h after dark 3.21583 2.98676 3.4449 12 h after dark 2.6700150000000002 2.03159 3.30844