condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.025031566666666668 0.0 0.0750947 12 h after light 0.0 0.0 0.0 4 h after dark 0.034787 0.0 0.104361 8 h after dark 0.0 0.0 0.0 12 h after dark 0.07880406666666667 0.0305966 0.12795