condition mean min max 4 h after light 30.491 30.0537 30.9283 8 h after light 29.72195 29.3093 30.1346 12 h after light 36.5055 35.6111 37.3999 4 h after dark 59.27975 57.9772 60.5823 8 h after dark 53.6462 53.0459 54.2465 12 h after dark 41.60825 40.5192 42.6973