condition mean min max 4 h after light 37.24335 37.0749 37.4118 8 h after light 33.9949 33.486 34.5038 12 h after light 28.99035 28.478 29.5027 4 h after dark 33.06485 33.0137 33.116 8 h after dark 39.7805 38.3037 41.2573 12 h after dark 43.9584 42.5384 45.3784