lat,clear-sky_ERF
87.8638,0.11005013
85.09653,0.109244965
82.31291,0.10131489
79.525604,0.09880281
76.7369,0.097462006
73.94752,0.07977617
71.15775,0.09472578
68.36776,0.111513406
65.57761,0.10602404
62.787354,0.09249958
59.99702,0.09254333
57.20663,0.1110554
54.4162,0.11589643
51.625732,0.12195379
48.83524,0.12487654
46.044727,0.14750655
43.254196,0.15968724
40.46365,0.17516202
37.673088,0.18468864
34.882523,0.19112128
32.091946,0.21242546
29.30136,0.22427163
26.510769,0.23564902
23.720175,0.24301386
20.929575,0.2607281
18.138971,0.26636788
15.348365,0.2533599
12.557756,0.24268565
9.767145,0.22858
6.9765334,0.2263417
4.1859207,0.22311145
1.395307,0.20768194
-1.395307,0.18225355
-4.1859207,0.13695173
-6.9765334,0.14384167
-9.767145,0.16876432
-12.557756,0.18409635
-15.348365,0.19878186
-18.138971,0.21348034
-20.929575,0.21678819
-23.720175,0.20811516
-26.510769,0.20561764
-29.30136,0.20187582
-32.091946,0.19516818
-34.882523,0.17793916
-37.673088,0.16109277
-40.46365,0.15094362
-43.254196,0.13966629
-46.044727,0.12782136
-48.83524,0.11651262
-51.625732,0.108031295
-54.4162,0.10281866
-57.20663,0.10125176
-59.99702,0.1038622
-62.787354,0.11058781
-65.57761,0.122306794
-68.36776,0.13383679
-71.15775,0.13618584
-73.94752,0.12321019
-76.7369,0.12592083
-79.525604,0.12995449
-82.31291,0.11641912
-85.09653,0.12623829
-87.8638,0.13159063