condition mean min max 4 h after light 4.338633333333333 2.46953 6.18724 8 h after light 3.766123 0.599749 6.98426 12 h after light 3.90504 2.40718 5.80522 4 h after dark 4.96289 3.57948 6.29184 8 h after dark 4.247423333333333 2.95695 5.4399 12 h after dark 5.60565 4.49991 7.19053