condition mean min max 4 h after light 4.480365 4.02001 4.94072 8 h after light 2.9349499999999997 2.78401 3.08589 12 h after light 3.49482 3.31619 3.67345 4 h after dark 4.0831566666666665 3.9422 4.35009 8 h after dark 4.447093333333333 4.27389 4.70241 12 h after dark 4.81251 4.16348 5.71934