condition mean min max 4 h after light 3267.8 3267.8 3267.8 8 h after light 3335.85 3173.1 3498.6 12 h after light 3754.55 3234.5 4274.6 4 h after dark 4734.700000000001 4294.6 5174.8 8 h after dark 4229.0 3996.5 4461.5 12 h after dark 3714.45 3661.4 3767.5