condition mean min max 4 h after light 322.388485 304.940052 339.836918 8 h after light 313.88368049999997 248.612227 379.155134 12 h after light 227.57833900000003 187.385903 267.770775 4 h after dark 134.7528615 68.212558 201.293165 8 h after dark 96.356146 35.948399 156.763893 12 h after dark 197.314843 197.314843 197.314843