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Have you ever wondered how monthly rainfall varies throughout the South Texas region?
CEES now offers a precipitation probability product customized for South Texas.
Four sets of probability maps are available for each month of the calendar year.

• 50% Probability maps indicate how average rainfall varies in South Texas
• 20% Probability maps reflect rainy months with a likelihood of occurring only once every 5 years
• 10% Probability maps reflect very rainy months with a likelihood of occurring only once every 10 years
• 5% Probability maps reflect extremely rainy months with a likelihood of occurring only once every 20 years

All maps below are linked to full page images that are downloadable and printable:

Geographic Index for Probabiliy Maps
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    5% Probability 10% Probability 20% Probability 50% Probability
  January
  February
  March
  April
  May
  June
  July
  August
  September
  October
  November
  December
  5% Probability 10% Probability 20% Probability 50% Probability
  Geographic Index for Probabiliy Maps