condition mean min max 4 h after light 784.3269 730.2701 849.742 8 h after light 361.40049999999997 330.5594 398.9543 12 h after light 274.86246666666665 215.9897 388.455 16 h after light 346.4805 308.4584 422.0106 4 h after dark 632.7582 609.5201 644.7424 8 h after dark 748.2851333333333 669.2132 832.1769