condition mean min max 4 h after light 2.591195 2.36966 2.81273 8 h after light 2.7441750000000003 2.49386 2.99449 12 h after light 2.55006 2.15936 2.94076 4 h after dark 2.79748 2.70806 2.8869 8 h after dark 3.505045 3.19185 3.81824 12 h after dark 3.162845 2.97425 3.35144