condition mean min max 4 h after light 0.0404699 0.0207594 0.0601804 8 h after light 0.00789965 0.0 0.0157993 12 h after light 0.0597332 0.0331673 0.0862991 4 h after dark 0.022724733333333334 0.0 0.0681742 8 h after dark 0.16314133333333333 0.128555 0.192348 12 h after dark 0.10178693333333334 0.0 0.264195