Precipitation Maps Precipitation maps are used to show the average annual precipitation across an area. Darker blue represents heavier annual precipitation, while lighter blue represents lower annual precipitation. Isohyets are also used to show rainfall on a weather map.
3600 2800 2400 2000 1600 1400 1200 1000 800 600 0
Wind rose N
Wind speed (m/s)
15.50 (1.6%) W 3.4%
2% 4%
6% 8% 10% 12% S E
10.80 (6.1%) 8.23 (27.6%)
5.14 (35.0%) 3.09 (22.6%) 1.54 (0.0%) 0.00 (3.6%)
: Fig. 19.8 A wind rose diagram showing the speed and direction of winds
GEO DICTIONARY
Isoyhets: lines or blue shading on a map connecting areas which experience the same levels of precipitation
Isotherms: lines or red shading on a map which connect areas of equal temperature
: Fig. 19.9 Precipitation map of Ireland (amounts are in mm) Temperature Maps
Temperature maps are used to show the average temperatures across an area. Darker red represents higher temperatures, while lighter red represents lower temperatures. Isotherms are used to show temperature on a map.
Sunshine Maps Sunshine maps show average daily sunshine as a fraction of the length of day (sunlight hours).
7.3 1.2
Claremorris 17.1 Malin Head
7.0 0.9
Malin Head 6.1 16.8
7.2 1.2
Clones 5.1
7.4 1.2
Dublin Airport
Shannon Airport
7.5 1.5
7.8 1.2
Valentia Conservatory December
7.6 1.8
Rosslare Valentia Conservatory 5.5 June
: Fig. 19.10 Sunshine maps of Ireland showing the difference between average December and June hours of sunshine
