condition mean min max 4 h after light 0.418917 0.0 0.96536 8 h after light 0.019919433333333333 0.0 0.0597583 12 h after light 0.043721333333333334 0.0 0.131164 4 h after dark 0.0 0.0 0.0 8 h after dark 0.036598 0.0 0.109794 12 h after dark 0.06866423333333334 0.0 0.144427