condition mean min max 3 h after light 129.10126666666667 93.9172 186.694 7 h after light 123.317825 76.5237 169.346 11 h after light 130.40395 90.9519 188.595 2 h after dark 139.97833333333332 115.545 187.036 6 h after dark 133.407775 86.2333 181.212 10 h after dark 117.82139166666667 65.7227 159.217