condition mean min max 4 h after light 233.172871 165.673977 300.671765 8 h after light 255.78909099999998 223.807664 287.770518 12 h after light 313.868987 313.385903 314.352071 4 h after dark 455.06662 356.756308 553.376932 8 h after dark 548.049803 509.719626 586.37998 12 h after dark 323.264262 323.264262 323.264262