CHAPTER 1 - )C 
THE 
POWER 
OF MICROCLIMATES 
One island. Many climates. Many different exposures. 
One of Hawai.i's defining characteristics is the remarkable 
diversity of its local climates. Wrthin just a few miles, 
environmental conditions can change significantly. 
Microclimates-small 
areas with distinct temperature, 
humidity, rainfall, wind, and sun exposure patterns-have 
a profound impact on how buildings age. 
O'AHU EXPOSURE EXAMPLES 
LJ ... 
.. 
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.....!:> 
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---.:> 
WINDWARD 
Higher rainfall, 
higher humidity. 
olowor drying 
times. 
CENTRAL 0'AHU 
Elovatod areas have 
coo!<>r 1omperatures 
and mora cloud 
cover. 
LEEWARD 
Lower rainfall, 
greater $Un exposure. 
higher temperatures. 
lower humidity. 
RELATIVE EXPOSURE INTENSITY 
Lowor Exposure 
Microclimates significantly influence how buildings 
age-often 
more than the number of years since 
they were built. 
WHAT THIS MEANS FOR YOUR PROPERTY 
I 
I 
°' e 
.... 
.... 
.... 
MAINTENANCE 
INSPECTION IS 
PLAN AHEAD 
SHOULD BE 
ESSENTIAL 
LOCATION,BASED 
Regular inspeclions 
Und«standing your 
u.. obser,,,,d ClOl'lditlons 
help ldenlily e~ 
exposure helps you 
___ 
,., 
signs of dotely 
rei.rn their beauty, 
performanc,e, and 
market value, 
WHY MICROCLIMATES MATTER 
Two neighboring 
properties-even 
those 
built at the same time-may 
show very 
different patterns of aging. 
• • • 
• 
Rainfall Patterns 
More rainfall means more moisture 
on surfaces, longer drying times, 
and higher risk of biological growth . 
Humidity Levels 
Higher humidity slows drying, 
encourages mold and mildew, 
and increases moisture retention. 
Sun Exposure 
Greater sunlight accelerates fading, 
oxidation, and coating breakdown . 
Wind Direction & Strength 
Trade winds carry moisture and salt 
inland and influence how quickly 
surfaces dry after rain. 
Elevation 
Higher elevations are cooler and 
cloudier, while lower elevations 
are hotter and drier. 
Vegetation & Shade 
Landscaping and surrounding trees 
can either protect surfaces from 
sun or trap moisture against them. 
)( 
STEWARDSHIP INSIGHT 
Your property's microclimate will not 
change-but 
your response to it can. 
Observing your surroundings and 
understanding 
exposure is the first 
step to protecting your investment. 
CHAPTER 1 
I 
HAWAII'S CLIMATE 
STEWARDSHIP TODAY. VALUE TOMORROW. 

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