condition mean min max 4 h after light 471.26112850000004 451.044076 491.478181 8 h after light 444.2591155 419.847441 468.67079 12 h after light 423.9438725 386.981803 460.905942 4 h after dark 368.3410625 356.984009 379.698116 8 h after dark 385.6246085 340.886698 430.362519 12 h after dark 353.906906 353.906906 353.906906