Test on Forecasts for April 20, 2000

There were W and D g/m intervals during Apr. 20.
 

Q D W MI MO S MA E Ap>20
Sun 0 1 1 0 0 0 0 0 0
SSM 0 1 0 0 0 0 0 0 0
SEC 0 0 1 0 0 0 0 0 0
1