condition mean min max 4 h after light 2.7889299999999997 2.24851 3.32935 8 h after light 3.28726 3.07002 3.5045 12 h after light 3.8062000000000005 3.49175 4.12065 4 h after dark 5.54267 5.02324 6.05879 8 h after dark 3.733773333333333 3.37013 4.02501 12 h after dark 3.45564 3.00633 4.16883