condition mean min max 0 h after light 2.316275 1.855 2.77755 4 h after light 0.6187365 0.608558 0.628915 8 h after light 1.400453 0.915986 1.88492 4 h after dark 1.2153960000000001 0.909302 1.52149 8 h after dark 2.134045 1.53255 2.73554 12 h after dark 2.5962199999999998 2.11042 3.08202