condition mean min max 0 h after light 5.645255 5.25557 6.03494 2 h after light 5.386 5.26491 5.50709 4 h after light 3.850105 3.60617 4.09404 8 h after light 6.85849 5.06576 8.65122 12 h after light 11.509395000000001 9.99859 13.0202 2 h after dark 10.14835 10.1 10.1967 4 h after dark 8.412825 7.91367 8.91198 8 h after dark 8.50487 8.07878 8.93096 12 h after dark 5.143 4.67596 5.61004