condition mean min max 4 h after light 1.4559833333333334 1.04101 1.66436 8 h after light 0.788492 0.268469 1.25047 12 h after light 1.390329 0.972777 2.05038 4 h after dark 2.0835966666666668 1.41779 2.65445 8 h after dark 2.58953 1.85193 3.28062 12 h after dark 1.64457 1.56204 1.70234