condition mean min max 1 h after light 1.9787815845 0.701228465 3.256334704 3 h after light 2.75722903 1.863352533 4.368200496 5 h after light 2.8914696816666665 2.43872213 3.211091259 7 h after light 2.8527051963333334 1.8517317309999999 3.941488208 9 h after light 3.403201463 2.656041227 3.959918912 11 h after light 4.646414115 3.43357608 6.412749785 13 h after light 4.296368821333333 3.531113265 4.940534414 15 h after light 4.085246851666667 3.185424855 4.896916001 1 h after dark 3.9886337173333333 3.2483629869999997 4.914895045 3 h after dark 3.4067835113333333 2.861769111 3.771674342 5 h after dark 3.0387902823333333 2.701687914 3.6264898989999996 7 h after dark 2.9789557056666665 1.760914845 3.65810893