For Sunday to Tuesday (3 days), the Des Moines Airport reported over an inch of rain each day. This is only the sixth such streak on record for the site. The featured chart presents some statistics on streaks of precipitation for the site. The green line represents the maximum value over which the number of days had daily precipitation at or above that level. The chart indicates that four days is the longest consecutive streak of daily rainfall over an inch. The blue line represents the highest daily average precipitation over a given number of days. You can multiple this value to get the actual maximum accumulation over that number of days, so for example the value of 2 at 5 days represents an accumulation of 10 inches. Or restating, the highest five day accumulation for the site is 10 inches.

Voting:
Good = 15
Bad = 8
Abstain = 6

Tags:   precip