January 1998-July 2007
Interpretation:
The total precipitation of each month was
compared to the normal monthly
total precipitation for each month.
A value of "0" means the month
precipitation total was normal.
A negative value indicates below (drier
than) normal and a positive value
indicates above (wetter than) normal for
the specific month.
66 Months were drier than normal
48 Months were wetter than normal
1 month was exactly normal