condition mean min max 4 h after light 15.488752999999999 15.385342 15.592164 8 h after light 15.419369 15.419369 15.419369 12 h after light 17.026687 12.481893 21.571481 4 h after dark 14.901577 14.061737 15.741417 8 h after dark 14.770595499999999 14.498719 15.042472 12 h after dark 18.501899 18.501899 18.501899