condition mean min max 3 h after light 0.037754 0.0 0.113262 6 h after light 0.024941 0.0 0.074823 9 h after light 0.12182033333333332 0.0 0.201507 12 h after light 0.17607275 0.0 0.27457 3 h after dark 0.12814833333333334 0.0 0.214181 6 h after dark 0.170705 0.121817 0.220646 9 h after dark 0.036685 0.0 0.110055 12 h after dark 0.2342645 0.131292 0.337237