condition mean min max 4 h after light 356.0314 331.9562 379.0415 8 h after light 308.2049333333333 274.9364 361.8297 12 h after light 252.87373333333335 205.1683 301.2988 16 h after light 320.3584 289.7052 355.8215 4 h after dark 531.4233666666667 479.1633 572.0035 8 h after dark 377.752 283.7213 439.7902