start support for Boeing icing data...

modules/icing/pireps.py

@@ -176,7 +176,7 @@ def pirep_icing_from_boeing(dirname='/ships19/cloud/scratch/ICING/BOEING/icing/2
             ice_bool = h5f['ice_bool'][:]
             lons = h5f['longitude'][:]
             lats = h5f['latitude'][:]
-            years = h5f['year'][:]
+            years = 2000 + h5f['year'][:]
             mons = h5f['month'][:]
             days = h5f['day'][:]
             hours = h5f['hour'][:]