condition mean min max 4 h after light 3.1538453333333334 3.074024 3.2977309999999997 8 h after light 10.765252666666667 2.635275 26.598640000000003 12 h after light 2.103242 1.710606 2.680165 16 h after light 3.116956 2.671599 3.523778 4 h after dark 2.9629323333333333 2.5359580000000004 3.471456 8 h after dark 1.912328 1.388803 2.690438