condition mean min max 0 h after light 0.8529045 0.619589 1.08622 4 h after light 1.6952464999999999 0.946973 2.44352 8 h after light 1.3181 1.10373 1.53247 4 h after dark 0.2287945 0.152129 0.30546 8 h after dark 2.220395 1.99992 2.44087 12 h after dark 1.60402 1.3922 1.81584