condition mean min max 0 h after light 2.099425 1.88075 2.3181 2 h after light 3.27578 2.51212 4.03944 4 h after light 2.38035 2.35121 2.40949 8 h after light 2.50017 2.30825 2.69209 12 h after light 3.0931249999999997 2.54595 3.6403 2 h after dark 2.14454 2.04415 2.24493 4 h after dark 2.09395 1.41467 2.77323 8 h after dark 2.7347 2.4833 2.9861 12 h after dark 2.835435 2.67679 2.99408