condition mean min max 0 h after light 60.7563 55.4393 66.0733 4 h after light 37.672 29.0483 46.2957 8 h after light 81.6745 70.6727 92.6763 4 h after dark 94.306 84.1 104.512 8 h after dark 65.39855 62.843 67.9541 12 h after dark 47.5578 45.5435 49.5721