condition mean min max 0 h after light 9.205829999999999 8.81013 9.60153 2 h after light 3.846035 3.6897 4.00237 4 h after light 3.15749 2.7793 3.53568 8 h after light 3.02205 2.92816 3.11594 12 h after light 4.905865 4.6341 5.17763 2 h after dark 6.431565 5.69822 7.16491 4 h after dark 6.90721 6.8777 6.93672 8 h after dark 10.8232 10.4845 11.1619 12 h after dark 12.04535 11.7092 12.3815