Fix bug in which MesoWest HS unit was incorrect

diff --git a/infoex-autowx.py b/infoex-autowx.py
index fd01e04396cb318ed14169bcc70dc3bc8989e21f..c3144a4dfa5922b9767241b81eb3c4676fffdbb2 100755 (executable)
--- a/infoex-autowx.py
+++ b/infoex-autowx.py
@@ -528,6 +528,10 @@ def get_mesowest_data(begin, end, station):
                 # we want mph
                 if element_cd in ('wind_speed', 'wind_gust'):
                     remote_data[element_cd] = kn_to_mph(remote_data[element_cd])
+
+                # mesowest provides HS in mm, not cm; we want cm
+                if element_cd == 'snow_depth' and station['units'] == 'metric':
+                    remote_data[element_cd] = mm_to_cm(remote_data[element_cd])
             else:
                 remote_data[element_cd] = None
         else:
@@ -625,5 +629,9 @@ def kn_to_mph(kn):
     """convert knots to miles per hour"""
     return kn * 1.150779
 
+def mm_to_cm(mm):
+    """convert millimeters to centimetrs"""
+    return mm / 10.0
+
 if __name__ == "__main__":
     sys.exit(main())