condition mean min max 0 h after light 5.296535 4.93275 5.66032 4 h after light 3.81578 3.56397 4.06759 8 h after light 3.277145 2.73886 3.81543 4 h after dark 4.32514 4.05184 4.59844 8 h after dark 4.83296 4.54279 5.12313 12 h after dark 5.663930000000001 5.19482 6.13304