Average daily solar flux
and sunspot numbers rose over the past week. The average daily sunspot number
rose 5 points to 64.1 while average daily solar flux was up 11.6 points to
100.4. Geomagnetic indices were quieter, with average planetary A index
decreasing from 22.6 to 9.9 and average mid-latitude A index dropping from 14.6
to 10.9.
USAF and NOAA predict solar flux at 100
on May 20-24, 95 on May 25-26, 90 on May 27-28, 95 on May 29, 100 on May 30
through June 1, 95 on June 2-7, 100 on June 8-9, then 95, 100, and 105 on June
10-12, 100 on June 13-16, 95 on June 17-21, 90 on June 22-24, 95 on June 25 and
100 on June 26-28.
Predicted planetary A index is 22, 16,
12 and 6 on May 20-23, 5 on May 24-27, then 15, 25, and 10 on May 28-30, 5 on
May 31 and June 1, 12 on June 2-3, then 35, 30 and 15 on June 4-6, 5 on June
7-9, then 8, 15, 25 and 12 on June 10-13, then 8, 18, 25 and 12 on June 14-17,
then 8, 5 and 10 on June 18-20, and 5 on June 21-23.