condition mean min max 4 h after light 3.1564816666666666 2.692491 3.9431809999999996 8 h after light 2.04502 1.492679 2.348981 12 h after light 3.4029730000000002 2.078929 4.678829 16 h after light 2.8215416666666666 2.636563 3.169598 4 h after dark 5.708374333333333 2.74142 7.777292999999999 8 h after dark 3.2338193333333334 1.489392 4.801977