Percentage of worst days happened in each month based on data available during the year 1997-2002

Location Month 1997 1998 1999 2000 2001 2002 Total
THRO1 1       44.4% 36.4% 50.0% 42.3%
THRO1 2       37.5% 50.0% 0.0% 26.1%
THRO1 3       11.1% 20.0% 30.0% 20.7%
THRO1 4       22.2% 20.0% 28.6% 23.1%
THRO1 5       14.3% 9.1% 30.0% 17.9%
THRO1 6       0.0% 10.0% 25.0% 9.5%
THRO1 7       0.0% 0.0% 28.6% 8.3%
THRO1 8       62.5% 20.0% 0.0% 31.8%
THRO1 9         33.3% 10.0% 15.4%
THRO1 10       0.0% 10.0% 10.0% 6.9%
THRO1 11       10.0% 30.0% 20.0% 20.0%
THRO1 12     25.0% 22.2% 22.2% 20.0% 21.9%