Sunday the 9th is a 5 and tuesday is 9?

im trying to figure out when to go. i see Sunday Augut 9th is i 5 but Tuesday August 4 is a 9. Is this a mistake i saw past sundays were actually a lot higher then they thought?

E-mail webmaster@touringplans.com. They have access to all the details behind the predictions and are usually quite quick to answer.