lat,clear-sky_IRF
87.8638,0.04114384
85.09653,0.037642427
82.31291,0.033911325
79.525604,0.029922424
76.7369,0.028291028
73.94752,0.02785643
71.15775,0.028937662
68.36776,0.028027065
65.57761,0.026811004
62.787354,0.026223438
59.99702,0.02769461
57.20663,0.02948555
54.4162,0.03161714
51.625732,0.036304757
48.83524,0.044148598
46.044727,0.053970765
43.254196,0.06753008
40.46365,0.08520703
37.673088,0.09911896
34.882523,0.11050319
32.091946,0.1276982
29.30136,0.14862876
26.510769,0.16154282
23.720175,0.16566454
20.929575,0.16260621
18.138971,0.15936929
15.348365,0.15317146
12.557756,0.14129159
9.767145,0.12908803
6.9765334,0.11902411
4.1859207,0.11329122
1.395307,0.11053093
-1.395307,0.10954857
-4.1859207,0.11023412
-6.9765334,0.11208105
-9.767145,0.114934035
-12.557756,0.11568673
-15.348365,0.11524619
-18.138971,0.11598782
-20.929575,0.114173934
-23.720175,0.10905708
-26.510769,0.1044747
-29.30136,0.093989104
-32.091946,0.08030068
-34.882523,0.06995442
-37.673088,0.061329555
-40.46365,0.050632264
-43.254196,0.03914857
-46.044727,0.0289763
-48.83524,0.022082292
-51.625732,0.018365702
-54.4162,0.013986145
-57.20663,0.007616547
-59.99702,-0.0012916476
-62.787354,-0.011699305
-65.57761,-0.019443277
-68.36776,-0.023377929
-71.15775,-0.024630338
-73.94752,-0.025819357
-76.7369,-0.025167804
-79.525604,-0.023402346
-82.31291,-0.023568688
-85.09653,-0.023437997
-87.8638,-0.018850083