condition mean min max 2 h after light 0.9713113333333334 0.508973 1.38849 6 h after light 0.6595695 0.391933 0.901701 10 h after light 0.5405086666666666 0.161372 0.944258 14 h after light 0.7547138333333333 0.342832 1.39197 18 h after light 0.8237255 0.653916 1.4078 2 h after dark 0.4277969833333333 0.0417999 1.11439