condition mean min max 4 h after light 194.618243 164.77366 224.462826 8 h after light 164.37181950000002 159.385903 169.357736 12 h after light 181.9350055 171.499295 192.370716 4 h after dark 206.22625599999998 186.924364 225.528148 8 h after dark 185.7475025 173.983576 197.511429 12 h after dark 174.717939 174.717939 174.717939