condition mean min max 2 h after light 13.731 12.7389 14.9248 6 h after light 17.8125 16.4781 19.5542 10 h after light 18.322633333333332 17.4429 18.7674 2 h after dark 16.821566666666666 15.1561 17.6851 6 h after dark 16.0395 14.9118 17.6792 10 h after dark 14.475 13.7779 15.0077