condition mean min max 0 h after light 1.96909 1.26782 2.67036 2 h after light 3.226425 3.14661 3.30624 4 h after light 1.8049 1.70162 1.90818 8 h after light 1.49588 1.2479 1.74386 12 h after light 1.4111715 0.824653 1.99769 2 h after dark 1.3838499999999998 1.22521 1.54249 4 h after dark 1.98758 1.88535 2.08981 8 h after dark 2.340835 2.0659 2.61577 12 h after dark 1.8628399999999998 1.42213 2.30355