DIFFERENCE BETWEEN WEATHER AND CLIMATE
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METEOROLOGIST JEFF HABY
Weather is the conditions that occurred very recently or are currently happening. The current
temperature,
dewpoint, relative humidity, cloud cover and precipitation are examples of weather.
Climate describes the typical weather a location will have. For a good climate data set, at least
30 years of data for a location is needed. Climate also includes what type of
weather extremes that can be expected for a location. Normal high and low temperature, typical
monthly rainfall, most accumulation of snow in a year and record lowest temperature recorded for each
month are examples of climate.
For each of the 10 statements below, classify them as weather or climate. Scroll to the bottom of this
page for the answers:
1. It snowed 5 inches last night
2. It has not rained this month yet
3. Typically rainfall in June will be under 1 inch
4. This winter should be colder than normal
5. The
barometric pressure is falling
6. There is a
severe thunderstorm watch for the local area
7. It has never gone above 100 F in the month of May
8. The low temperature last night was 10 degrees above normal
9. The skies are clearing
10. Katrina was the strongest hurricane to hit New Orleans
Answers
1. Weather; recent weather event of snow
2. Weather; no weather has produced rain this month
3. Climate; reference to typical conditions and a value of typical rainfall
4. Climate; compares the expected winter to normal conditions
5. Weather; recent weather change
6. Weather; current weather conditions are leading to the potential of severe thunderstorms in the near term
7. Climate; reference to a weather extreme
8. Both; reference to normal conditions, weather in that a recent temperature value is given
9. Weather; current conditions
10. Climate; reference to a weather extreme
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