condition mean min max 0 h after light 20.960299999999997 16.141 25.7796 4 h after light 10.564915 6.35433 14.7755 8 h after light 5.64832 4.92039 6.37625 4 h after dark 19.02355 17.4755 20.5716 8 h after dark 26.29015 25.6037 26.9766 12 h after dark 13.57189 9.44408 17.6997