condition mean min max 4 h after light 7380.8 7380.8 7380.8 8 h after light 7557.450000000001 7098.3 8016.6 12 h after light 9049.3 8570.8 9527.8 4 h after dark 11441.95 9708.5 13175.4 8 h after dark 11724.85 11422.5 12027.2 12 h after dark 11031.4 10887.0 11175.8