condition mean min max 2 h after light 1.4247253333333334 0.0 4.70403 6 h after light 0.453899 0.0 1.92588 10 h after light 0.7105338333333333 0.0 3.28606 14 h after light 0.8164018333333334 0.0 2.01116 18 h after light 0.128437 0.0 0.770622 2 h after dark 0.13269583333333332 0.0 0.796175