diff -r 000000000000 -r 9d2b98ecf23d ciao.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ciao.py	Tue May 15 16:43:26 2012 +0200
@@ -0,0 +1,20 @@
+import milos
+
+class CiaoMixin:
+
+    def get_PT(self):
+        ''' Gets the pressure and temperature at station level from the Milos station.
+        The results are stored in the info dictionary.        
+        '''
+        
+        start_time = self.info['start_time']
+        stop_time = self.info['stop_time']
+        dt = stop_time - start_time
+        mean_time = start_time + dt/2
+        
+        # this guarantees that more that half the measurement period is taken into account
+        atm = milos.Atmospheric_condition(mean_time)
+        temperature = atm.get_mean('Air_Temperature', start_time, stop_time)
+        pressure = atm.get_mean('Air_Pressure', start_time, stop_time)
+        self.info['Temperature'] = temperature
+        self.info['Pressure'] = pressure