condition mean min max 0 h after light 6.04279 5.71045 6.37513 2 h after light 3.491075 2.5328 4.44935 4 h after light 3.169135 2.97154 3.36673 8 h after light 3.8510400000000002 3.64035 4.06173 12 h after light 5.423489999999999 4.82844 6.01854 2 h after dark 4.89037 4.57255 5.20819 4 h after dark 5.34487 5.1335 5.55624 8 h after dark 5.87235 5.55069 6.19401 12 h after dark 5.24532 3.68746 6.80318