Be more tolerant of missing elements of height values

lib/xmet/raob.py

@@ -209,7 +209,13 @@ class RAOBObs():
         if token[0:2] == '//':
             wind_dir = None
         else:
-            wind_dir = meters_second(float(token[0:3]) + base_dir)
+            v100 = int(token[0]) if token[0] != '/' else 0
+            v10  = int(token[1]) if token[1] != '/' else 0
+            v1   = int(token[2]) if token[2] != '/' else 0
+
+            value = float(100.0 * v100 + 10.0 * v10 + v1)
+
+            wind_dir = meters_second(value + base_dir)
 
         if token[3:5] == '//':
             wind_speed = None
@@ -269,12 +275,12 @@ class RAOBObs():
         # Ignore tokens where height is not known.
         #
         if num == '///':
-            return None
+            return dict()
 
         pressure = self.code_to_pressure(code)
 
         if pressure is None:
-            return None
+            height = None
         elif pressure == 1000:
             height = self.calc_1000mb_height(float(num))
         elif pressure <= 850 and pressure > 700:
@@ -334,6 +340,7 @@ class RAOBObs():
     def parse_ttaa_sample(self, tokens: list[str]) -> dict:
         if tokens[0][0:2] == '99':
             hp = self.parse_pressure(tokens[0])
+            hp['height'] = 0
         else:
             hp = self.parse_height_pressure(tokens[0])
 
@@ -634,7 +641,7 @@ class RAOBReader():
                 timestamp = data['timestamp']
                 samples   = data['samples']
 
-                sounding = self.sounding(station, timestamp)
+                sounding = self.sounding(station, timestamp[0:4])
 
                 for data in samples:
                     pressure = data.get('pressure')