condition mean min max 4 h after light 6317.7 6317.7 6317.7 8 h after light 5773.65 5601.8 5945.5 12 h after light 7366.6 6581.1 8152.1 4 h after dark 6592.349999999999 4545.9 8638.8 8 h after dark 5479.45 4889.2 6069.7 12 h after dark 4706.200000000001 3936.8 5475.6