condition mean min max 3 h after light 1.0840006666666666 0.192321 2.39872 7 h after light 0.45875741666666664 0.127751 0.831217 11 h after light 0.5452845833333333 0.192104 1.15575 2 h after dark 1.7600515 0.725741 4.90301 6 h after dark 1.12822125 0.128307 2.66604 10 h after dark 1.1284907499999999 0.348535 2.36629