condition mean min max 0 h after light 0.6051615 0.483611 0.726712 4 h after light 1.1748995 0.953629 1.39617 8 h after light 0.6847314999999999 0.492287 0.877176 4 h after dark 0.8729655000000001 0.633291 1.11264 8 h after dark 1.63504 1.42889 1.84119 12 h after dark 0.9142785 0.804937 1.02362