condition mean min max 4 h after light 23.86205 23.5278 24.1963 8 h after light 21.76025 18.8699 24.6506 12 h after light 23.8562 19.9516 27.7608 4 h after dark 24.285333333333334 21.7489 26.5782 8 h after dark 18.865466666666666 13.7715 23.4472 12 h after dark 22.6217 21.0029 23.9893