Mean monthly air temperature obtained from the meteorological station in Van city (Van-Meteo), the International Atomic Energy Agency (IAEA) in Erzurum (Latitude 39.9 oN; Longitude 41.3oE; Altitude 1758 masl; data available for 1 years) and from Ankara (Latitude 39.9oN; Longitude 32.9oE; Altitude 902 masl; data available for 45 years) as well as for Lake Van region obtained from the Climate Data Guide (CGD) References: IAEA/WMO (2014) and the Climate Data Guide (http://bit.ly/1irN9wr) Mean monthly precipitation amount obtained from International Atomic Energy Agency (IAEA) for Erzurum (Latitude 39.9oN; Longitude 41.3oE; Altitude 1758 masl; data available for 1 years); Senyurt (Latitude 40.2 oN; Longitude 41.5oE; Altitude 2210 masl; data available for 3 years) and Ankara (Latitude 39.9oN; Longitude 32.9oE; Altitude 902 masl; data available for 45 years) as well as for Van city meteorological station (VanMeteo). Reference: IAEA/WMO (2014). Source: Details: Month 1 2 3 4 5 6 7 8 9 10 11 12 Meteorological station Van (Meteo) Average 1975-2009 Latitude (N) 38.29° Longitude (E) 43.22° Altitude (m) 1730 Average monthly precipitation Average monthly air temperature (mm) (oC) Average monthly precipitation Number of data point Number of data point 30.6 30.9 47.4 53.2 47.9 18 5.6 3.6 11.2 43.3 48.1 39.3 -3.3 -2.5 1.6 8 13.1 18.3 22.4 22 17.4 10.8 4.3 -0.5 - - Average monthly air temperature Source: http://www-naweb.iaea.org/napc/ih/index.html IAEA/WMO (IAEA) Reference: IAEA/WMO (2014) Station name Erzurum Latitude (N) 39.9 Longitude (E) 41.3 Altitude (m) 1758 Month Average monthly precipitation Average monthly air temperature 1 2 3 4 5 6 7 8 9 10 11 12 (mm) 2.3 18.8 51.1 42.7 43.2 76.2 20.2 19.7 33.2 45.3 28 19.5 (oC) -12.1 -3.1 -0.7 4.3 10 14.7 18.7 18.8 13.6 8.6 1.8 4.9 Average monthly precipitation Number of data point 1 1 1 1 1 1 2 2 2 2 2 2 Latitude (N) Longitude (E) Altitude (m) 40.2 41.5 2210 Month Average monthly precipitation Average monthly air temperature 1 2 3 4 5 6 7 8 9 10 11 12 (mm) 15.7 24 25.3 66.7 70.7 63 51.7 10 18 38.7 52.7 36.7 (oC) - Average monthly precipitation Number of data point 3 2 3 3 3 3 3 3 3 3 3 3 Station name Senyurt (Erzurum) Average monthly air temperature Number of data point 1 1 1 1 1 1 2 2 2 2 2 2 Average monthly air temperature Number of data point 0 0 0 0 0 0 0 0 0 0 0 0 Station name Ankara (central) Latitude (N) Longitude (E) Altitude (m) 39.95 32.88 902 Month Average monthly precipitation Average monthly air temperature 1 2 3 4 5 6 7 8 9 10 11 12 (mm) 41.7 34.7 38.1 50.9 51.9 31.6 16.2 11.8 18.8 26.4 35.4 44.5 (oC) 0.4 1.8 6 11 16 20.1 23.4 23.1 18.6 13.1 7 2.5 Average monthly precipitation Number of data point 46 46 46 46 46 46 46 45 46 46 46 46 Average monthly air temperature Number of data point 45 45 45 44 44 44 46 46 46 45 45 45 Source: Details: http://bit.ly/1irN9wr Climate Data Guide (CDG) Authors Cort J.Willmott, Kenji Matsuura, Univ. Delaware Time series of monthly air temperature data Land surface only Global resolution 0.5 x 0.5 degree Position 42.75° East 38.25° North Latitude (N) 38.25° Longitude (E) 42.75° Altitude (m) - Month Average monthly precipitation Average monthly air temperature 1 2 (mm) - (oC) -9 -8 Average monthly precipitation Number of data point - Number of data point 112 112 3 4 5 6 7 8 9 10 11 12 - -4 2 7 13 17 17 12 6 -1 -6 - 112 112 112 112 112 112 112 112 112 112 Average monthly air temperature