condition mean min max 4 h after light 334.8 334.8 334.8 8 h after light 486.4 471.9 500.9 12 h after light 358.75 331.7 385.8 4 h after dark 400.4 361.7 439.1 8 h after dark 411.65 367.1 456.2 12 h after dark 422.0 385.1 458.9