#date: 20260221
#T(UT)      DIF        DNA     Solar elev      UVA       UVA anom       vit D
 7.22    1.420616    0.104619    3.616646   22.968882    1.106379    0.665387
 8.28    7.073842    1.159571   12.143272   79.483307    0.979353    5.481604
 9.20   15.746964    3.339640   18.541504  133.387222    0.922959   17.340487
10.17   18.947697    5.027983   23.629616  128.522385    0.639430   25.091473
11.15   18.957108    5.267530   26.729786  124.242020    0.524626   25.511482
12.00    8.393601    2.257647   27.429260   59.984272    0.244850   11.016743
13.04    7.642112    2.084432   25.704529   44.631874    0.198463   10.272582
14.08    4.400855    1.006512   21.373444   35.084164    0.199931    5.160107
15.12    3.514449    0.687288   14.924500   29.254524    0.272619    3.483891
16.16    1.199972    0.161114    6.956192   14.709634    0.366095    0.768490
16.95    0.329935    0.120584    0.233788    4.450648    0.574442    0.229849