Month

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Tilt angle (degree)

0

1

1

1

1

1

1

1

1

1

1

1

1

5

1.054

1.040

1.025

1.009

1.001

0.999

0.999

1.003

1.011

1.030

1.054

1.064

10

1.101

1.073

1.045

1.013

0.998

0.993

0.995

1.002

1.017

1.056

1.102

1.122

15

1.143

1.101

1.059

1.011

0.990

0.984

0.986

0.997

1.019

1.075

1.143

1.173

20

1.178

1.123

1.068

1.005

0.977

0.971

0.974

0.988

1.016

1.089

1.178

1.218

25

1.206

1.138

1.070

0.994

0.960

0.955

0.959

0.975

1.009

1.097

1.206

1.255

30

1.227

1.147

1.067

0.978

0.939

0.935

0.939

0.957

0.997

1.100

1.227

1.284

35

1.241

1.149

1.058

0.957

0.914

0.911

0.917

0.936

0.981

1.096

1.240

1.306

40

1.248

1.144

1.043

0.932

0.884

0.884

0.891

0.911

0.961

1.087

1.246

1.320

45

1.247

1.133

1.023

0.902

0.851

0.855

0.863

0.883

0.937

1.072

1.245

1.325

50

1.239

1.116

0.997

0.868

0.815

0.822

0.831

0.851

0.909

1.051

1.236

1.322

55

1.224

1.092

0.966

0.830

0.775

0.787

0.797

0.817

0.877

1.025

1.220

1.312

60

1.201

1.062

0.930

0.788

0.733

0.750

0.761

0.779

0.842

0.994

1.196

1.293

65

1.172

1.026

0.889

0.743

0.688

0.711

0.723

0.739

0.804

0.957

1.166

1.266

70

1.136

0.984

0.844

0.695

0.640

0.670

0.683

0.697

0.763

0.916

1.129

1.232

75

1.093

0.937

0.794

0.645

0.591

0.628

0.642

0.653

0.720

0.870

1.085

1.190

80

1.044

0.886

0.741

0.592

0.541

0.585

0.599

0.607

0.674

0.820

1.035

1.141

85

0.989

0.829

0.684

0.537

0.489

0.541

0.556

0.561

0.626

0.767

0.979

1.085

90

0.929

0.768

0.625

0.481

0.437

0.496

0.513

0.513

0.577

0.710

0.918

1.023