condition mean min max 4 h after light 4.3518349999999995 3.55328 5.15039 8 h after light 2.054475 1.5749 2.53405 12 h after light 0.765513 0.656228 0.874798 4 h after dark 0.5804406666666666 0.0 1.15787 8 h after dark 0.32034133333333337 0.0 0.549483 12 h after dark 3.8369433333333336 2.85477 4.69922