condition mean min max 3 h after light 23.337 19.8585 25.8845 6 h after light 27.557566666666666 22.5121 32.5929 9 h after light 28.6576 23.7763 32.4615 12 h after light 28.08415 27.3759 29.1204 3 h after dark 23.431833333333334 17.8175 27.3986 6 h after dark 23.2551 22.6684 24.3656 9 h after dark 19.7924 17.4403 22.2672 12 h after dark 19.5283 18.3747 20.6819