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 |