condition mean min max 4 h after light 15.154204499999999 13.576959 16.73145 8 h after light 17.712889 15.617886 19.807892 12 h after light 75.73234000000001 17.163938 134.300742 4 h after dark 19.3407245 12.658624 26.022825 8 h after dark 16.2136265 15.395123 17.03213 12 h after dark 13.539063 13.539063 13.539063