condition mean min max 2 h after light 688.1768333333333 501.014 873.926 6 h after light 629.128 469.769 758.412 10 h after light 468.873 403.615 525.131 14 h after light 481.44533333333334 375.199 562.953 18 h after light 601.3425 418.789 754.146 2 h after dark 660.447 472.12 775.35