condition mean min max 3 h after light 825.8963333333334 644.284 1002.24 6 h after light 524.352 479.494 597.621 9 h after light 321.867 318.534 325.719 12 h after light 289.43625000000003 174.582 542.69 3 h after dark 315.12466666666666 283.042 351.691 6 h after dark 469.333 429.685 495.24 9 h after dark 582.9593333333333 539.908 608.568 12 h after dark 521.934 500.371 543.497