condition mean min max 4 h after light 0.02608945 0.0 0.0521789 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.087835 0.0 0.155543 8 h after dark 0.0 0.0 0.0 12 h after dark 0.21701473333333335 0.0384122 0.511376