condition mean min max 2 h after light 0.9453385 0.47178 1.79115 6 h after light 1.9409915 0.193097 3.83928 10 h after light 2.1211276666666667 0.273657 4.94352 14 h after light 1.1901851666666667 0.201705 3.48948 18 h after light 1.0692935000000001 0.173399 3.70982 2 h after dark 1.2022666666666666 0.0 3.83283