condition mean min max 0 h after light 14.83925 14.0045 15.674 4 h after light 2.38428 1.51074 3.25782 8 h after light 3.06725 2.59848 3.53602 4 h after dark 3.646205 2.92387 4.36854 8 h after dark 0.9003555 0.799391 1.00132 12 h after dark 5.4945900000000005 2.35888 8.6303