condition mean min max 4 h after light 0.086455 0.0 0.259365 8 h after light 0.0 0.0 0.0 12 h after light 0.07783233333333334 0.0 0.233497 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