condition mean min max 4 h after light 1.7786650000000002 1.69788 1.85945 8 h after light 4.34774 4.06134 4.63414 12 h after light 3.72574 3.09636 4.35512 4 h after dark 2.2731123333333336 0.737697 4.63604 8 h after dark 2.9651466666666666 1.52949 3.79256 12 h after dark 1.7804010000000001 0.509173 3.03135