condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.007860033333333334 0.0 0.0235801 9 h after light 0.021752933333333335 0.0 0.0652588 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0183141 0.0 0.0549423 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0