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?