condition mean min max 0 h after light 2.10568 2.1038 2.10756 4 h after light 1.323785 1.17553 1.47204 8 h after light 35.24195 32.7651 37.7188 4 h after dark 70.81835 68.1865 73.4502 8 h after dark 27.6851 27.365 28.0052 12 h after dark 3.0755049999999997 2.37207 3.77894