condition mean min max 4 h after light 276.5106175 240.155134 312.866101 8 h after light 256.618564 233.086431 280.150697 12 h after light 300.015905 244.953599 355.078211 4 h after dark 221.624494 201.47847 241.770518 8 h after dark 164.86638349999998 149.731479 180.001288 12 h after dark 234.693595 234.693595 234.693595