condition mean min max 4 h after light 6592.9 6592.9 6592.9 8 h after light 6688.95 6019.2 7358.7 12 h after light 5999.45 5945.0 6053.9 4 h after dark 7146.700000000001 5760.7 8532.7 8 h after dark 6261.700000000001 6025.1 6498.3 12 h after dark 5872.8 5616.8 6128.8