Month

Angstrom-Prescott Err (%)

Allen Err (%)

Sabbagh Err (%)

January

7.963

12.822

−0.430

February

−7.087

−0.491

−4.157

March

−15.216

−22.28

−7.258

April

−15.537

−24.469

−1.283

May

−17.130

−21.794

−0.179

June

−13.249

−24.216

2.076

July

−3.327

−15.079

6.375

August

2.194

−9.744

5.229

September

−2.222

−7.622

7.257

October

−3.993

−5.872

9.899

November

3.124

5.135

10.467

December

16.909

23.333

12.808

Average

−4.131

−7.523

3.400