condition mean min max 0 h after light 8.589305 7.85507 9.32354 2 h after light 7.547795000000001 6.90356 8.19203 4 h after light 5.0396149999999995 4.11887 5.96036 8 h after light 8.4604 7.95418 8.96662 12 h after light 12.645299999999999 12.2622 13.0284 2 h after dark 13.27485 12.9374 13.6123 4 h after dark 12.7972 12.7371 12.8573 8 h after dark 13.092749999999999 12.9946 13.1909 12 h after dark 11.9881 11.8603 12.1159