4
Practice
Surface Station
Sea Level Pressure
Leading 10 or 9 is 
not plotted
Examples:
1013.8 plotted as 138
998.7 plotted as 987
1036.0 plotted as 360
Ahrens, p 431
42
18
998
Decimal
point
What are Temp, Dew
Point, SLP, Cloud Cover, Wind Speed and Direction?