condition mean min max 4 h after light 73.7381755 49.07194 98.404411 8 h after light 89.4645175 74.69003 104.239005 12 h after light 123.7922465 77.064549 170.519944 4 h after dark 227.188538 124.847441 329.529635 8 h after dark 318.7126255 158.962425 478.462826 12 h after dark 82.621955 82.621955 82.621955