condition mean min max 4 h after light 0.49328249999999996 0.479894 0.506671 8 h after light 0.23357499999999998 0.149942 0.317208 12 h after light 0.04534255 0.0 0.0906851 4 h after dark 0.190954 0.13943 0.242478 8 h after dark 0.31284350000000005 0.269508 0.356179 12 h after dark 0.250305 0.235848 0.264762