condition mean min max 4 h after light 5.41109 4.67263 6.14955 8 h after light 5.90775 5.71099 6.10451 12 h after light 4.5494 3.78125 5.31755 4 h after dark 6.862584999999999 4.86081 8.86436 8 h after dark 5.188775 4.90287 5.47468 12 h after dark 6.56244 6.47723 6.64765