The Sun was quieter this reporting week compared to the previous seven days.
There were four zero-sunspot days, Thursday December 29, Sunday, Monday, and
Wednesday, plus a fifth on the following Thursday, January 5. Geomagnetic
numbers were also lower.
Average daily sunspot number
decreased from 7.6 to 4.7, average daily solar flux declined a half point from
73.6 to 73.1, while average daily planetary A index went from 17.3 to 9.3.
Average mid-latitude A index went from 11.6 to 6.3.
The latest forecast sees
solar flux at 72 on January 6, 71 on January 7-13, 76 on January 14, 77 on
January 15-19, 75 on January 20-24, 74 on January 25-27, 73 on January 28
through February 2, 75 on February 3-7, 76 on February 8-10, and 77 on February
11-15.
