condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0301723 0.0 0.0905169 12 h after light 0.013172966666666668 0.0 0.0395189 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0