condition mean min max 0 h after light 6.523295 5.70315 7.34344 2 h after light 3.972595 3.86487 4.08032 4 h after light 2.764095 2.63078 2.89741 8 h after light 4.3197 2.82943 5.80997 12 h after light 7.791094999999999 7.41269 8.1695 2 h after dark 9.207435 7.82317 10.5917 4 h after dark 9.465710000000001 9.25824 9.67318 8 h after dark 12.01575 10.6283 13.4032 12 h after dark 8.707965 8.11708 9.29885