condition mean min max 0 h after light 106.713 103.714 109.712 4 h after light 6.50262 5.09349 7.91175 8 h after light 4.230565 3.7743 4.68683 4 h after dark 0.84311 0.0 1.68622 8 h after dark 4.552615 4.31151 4.79372 12 h after dark 50.55975 13.4937 87.6258