Climate of Diyala Govrnorate analylitical for AL khalse and khankhen station

Abstract

Diyala Governorate different from other Governorate in Iraq ,for its lies between tow region, it part north – east lies in sime mountain region, and the south and south –west lies in plans region. So its have climate attribute collected between the sime-arid and arid region. The aim of search to know attribute of climate in Diyala , in depend on Alkhals and Khanken station for duration from 1990 to 2010. The search get Some conclusions: Deferent the arrange of temperature between there station so it was (23.0 , 20.0) in ALkhalse and khankhen. The varies topographic between north and south study area affected on receiving amount rain between its, so khanken station receiving rain more than alkhals. About speed and direction wind, the north-west and north wind recording (45.1%) from amount general wand. Although the south and south-west was more frequently in khankhen station, where the north and north-west west was more frequently in. The relative humidity also deferent between there station. So the deferent attribute climate it effect on type of region climate that it appears when classify it in to region depending on Koppen classification ,that region is humid on the north with percentage(3.561%),sime-arid in the mide-north with percentage(22.731%), and arid region in the middle and south with percentage (73.870%) .