condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.002901036666666667 0.0 0.00870311 12 h after light 0.0383693 0.0129372 0.0615353 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.03872486666666667 0.0 0.0762937