Lds 1 Flashcards
(14 cards)
What months are considered winter in Perth?
June, July, August
Perth experiences winter during these months.
What data is available for all cities/towns?
Data from May-October 1987 and 2015
No other months or years are included.
What measurements are taken for foreign cities like Beijing, Jacksonville, and Perth?
Daily Mean Air Temperature, Rainfall, Daily Mean Pressure, Daily Mean Wind Speed, Daily Mean Windspeed (Beaufort conversion)
These measurements are essential for weather analysis.
What measurements are specific to British towns?
Daily Mean Temperature, Daily Total Rainfall, Daily Total Sunshine, Daily Mean Windspeed, Daily Maximum Gust, Daily Maximum Relative Humidity, Daily Mean Total Cloud, Daily Mean Visibility, Daily Mean Pressure, Daily Mean Wind Direction, Daily Max Gust Corresponding Direction
These measurements provide a detailed overview of weather conditions.
What is the unit for Daily Mean Pressure?
hPa (hectopascals)
Values are usually close to 1000.
How is Daily Mean Wind Speed categorized?
0-10.9: Light, 11-15ish: Moderate, 15ish-: Fresh
The classification is based on wind speed data.
What was the overall wind speed classification for days in Perth in 1987?
Nearly all light, only fresh days on 10/10/1987
This indicates predominantly calm conditions.
What was the maximum gust recorded in Perth on 10/10/1987?
21.8
This was considered a fresh day.
What was the general temperature range in Beijing?
Generally around 10-30
This range indicates typical weather conditions.
What is the average maximum relative humidity recorded in Beijing?
33%
Indicates the level of moisture in the air.
What weather conditions were recorded in Jacksonville in 1987?
1 day fresh, days moderate and the rest light
Highlights variability in weather conditions.
Fill in the blank: The Daily Mean Temperature in British towns is measured in _______.
°C
What was the general temperature range in Perth?
Generally around 10-20
This indicates mild weather conditions.
How many days were classified as moderate in Perth in 2015?
Around 10% moderate, no days fresh
Indicates a shift in weather patterns from 1987.
