condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0590153 0.0 0.090919 9 h after light 0.0 0.0 0.0 12 h after light 0.05461863333333334 0.0 0.09488 3 h after dark 0.0 0.0 0.0 6 h after dark 0.024860066666666666 0.0 0.0745802 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0