#date: 20210113
#T(UT)      DIF        DNA     Solar elev      UVA       UVA anom       vit D
10.76    2.986477    0.681200   10.796974   29.709213    0.423089    2.625988
11.62   22.138746    6.911187   22.480125  131.876465    0.693963   33.047943
12.48   52.608570   23.492899   33.721409  214.972763    0.666829   95.073662
13.14   81.689919   45.524330   42.023796  196.713058    0.470353  163.247589
13.88   97.484627   59.526531   50.455456  249.503021    0.491712  195.565216
14.58   54.103447   30.889256   57.210613  184.062271    0.322870  103.546059
15.29  205.263382  145.911682   61.686516  436.378143    0.719651  420.721924
16.18   93.074661   61.492836   62.337547  247.007126    0.404086  185.707047
16.95  105.751450   70.055801   58.246628  209.274307    0.361522  215.426666
17.78  122.646729   75.914734   50.517929  300.338928    0.591187  246.974319
18.54   46.051289   24.555803   41.816650  152.814163    0.367430   88.190186
19.29   61.134396   28.178427   32.314941  201.663025    0.659647  113.771866
20.13   15.668959    5.136105   21.251678   89.347931    0.507424   23.352640