condition mean min max 0 h after light 20.75385 17.6448 23.8629 4 h after light 31.8525 30.4444 33.2606 8 h after light 49.57275 49.3936 49.7519 4 h after dark 43.403949999999995 40.885 45.9229 8 h after dark 40.6635 38.5536 42.7734 12 h after dark 26.05875 15.9193 36.1982