condition mean min max 0 h after light 14.987815000000001 9.91353 20.0621 2 h after light 15.67565 12.5199 18.8314 4 h after light 15.543099999999999 13.0327 18.0535 8 h after light 16.43895 14.9447 17.9332 12 h after light 23.356949999999998 20.81 25.9039 2 h after dark 18.6169 12.5165 24.7173 4 h after dark 23.1958 22.4433 23.9483 8 h after dark 17.24825 17.0164 17.4801 12 h after dark 12.89635 12.2874 13.5053