You think Taco Bell is the local phone company.
You notice your car overheating before you drive it.
You can hear the weather forecast of 115 degrees without flinching.
You can be in the snow, then drive for an hour...and it will be over 100 degrees.
You discover, in July it only takes two fingers to drive your car, because your steering wheel is so #%@!ing hot.
You run your air conditioner in the middle of winter, just so you can actually use your fireplace.
The best parking is determined by shade.....not distance.
You can make sun tea instantly.
Hotter water comes from the cold water tap than from the hot one.
It'* noon in July, kids are on summer vacation and yet all the streets are totally empty of both cars and people.
You actually burn your hand opening the car door.
Sunscreen is sold year round and kept right at the checkout counter.
You put on fresh sunscreen just to go check the mail box.
You can pronounce Saguaro, Tempe, San Xavier, Canyon de Chelly, Mogollon Rim, and Cholla.
You can easily understand the reason for a town named "Why"
You can fry an egg on the hood of a car, before starting it up and driving it into work in the morning.
You know hot air balloons can't rise because the air temperature is hotter than the air inside the balloon.
No one would ever dream of putting vinyl inside a car.
You see two trees fighting over a dog.
You can say "Hohokam" and people don't think you're laughing funny.
You hear people say "but it'* a dry heat!"
You buy salsa by the gallon.
Your Christmas decorations include sand and 100 paper bags.
You think a red light is merely a suggestion.
All of your out-of-state friends start to visit after October but clear out come the end of April.
You think someone driving wearing oven mitts is clever.
Most of the restaurants in town have the first name "El" or "Los."
You think 60 tons of crushed red rock makes a beautiful yard.
Vehicles with open windows have the right-of-way in the summer.
Kids ask, "What'* a mosquito?" (Even mosquitos arn't dumb enough to try to live here)
People who have black cars or black upholstery in their car are automatically assumed to be from out of-state or nuts.
You know better than to get into a car with leather seats if you're wearing shorts.
You can finish a Big Gulp in 10 minutes and go back for seconds.
You take rain dances seriously.
When a rainy day puts you in a good mood.
When you drive two miles around a parking lot looking for a shady place - even in the dead of winter.
You feed your chickens ice cubes to keep them from laying hard-boiled eggs.
You "hug" a cactus only once in your lifetime.
A hundred ten in the shade is sorta hot, but you don't have to shovel it off your driveway.
You wear a bola tie.
A haboob happens.
Petrified doesn't mean scared.
The temperature drops below 95, you feel a bit chilly.
You've experienced condensation on your butt from the hot water in the toilet bowl.
You would give anything to be able to splash cold water on your face.
You can attend any function wearing shorts and a tank top.
You realize that asphalt has a liquid state.
EDIT: Found a couple more
A steaming hot cup of coffee is considered a "cool down" beverage.
Chips and salsa is
the main course.
Unlike residents from other states, you stand a "pretty darned good chance of success" when attempting to "fry an egg on the sidewalk".