condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.019512233333333334 0.0 0.0585367 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.03585 0.0 0.10755 12 h after dark 0.047158 0.0 0.141474