condition mean min max 4 h after light 28.24455 18.8941 37.595 8 h after light 41.6964 40.7444 42.6484 12 h after light 34.9617 24.9928 44.9306 4 h after dark 51.5841 38.9825 64.1857 8 h after dark 27.15835 22.8542 31.4625 12 h after dark 37.2716 36.835 37.7082