condition mean min max 4 h after light 307.7590095 263.901347 351.616672 8 h after light 251.314971 232.075077 270.554865 12 h after light 297.681237 282.253037 313.109437 4 h after dark 277.895835 260.636536 295.155134 8 h after dark 309.8795625 295.155134 324.603991 12 h after dark 323.912505 323.912505 323.912505