condition mean min max 4 h after light 363.8635285 255.924364 471.802693 8 h after light 378.944033 373.07698 384.811086 12 h after light 364.56805199999997 342.673278 386.462826 4 h after dark 775.601754 450.414039 1100.789469 8 h after dark 835.3643179999999 593.601931 1077.126705 12 h after dark 691.770518 691.770518 691.770518