From 2eabf081c55076c15aaa7b0067acbb77ce9945dc Mon Sep 17 00:00:00 2001
From: akrherz <akrherz@iastate.edu>
Date: Mon, 23 Oct 2017 20:27:58 -0500
Subject: [PATCH] don't set press on receipt of SLP value

Pressure should be differentiated between a SLP provided value and one provided by altimeter.
---
 metar/Metar.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/metar/Metar.py b/metar/Metar.py
index 0e773cbf..8aed34b0 100755
--- a/metar/Metar.py
+++ b/metar/Metar.py
@@ -103,7 +103,7 @@ class ParserError(Exception):
 TEMP_RE = re.compile(r"""^(?P<temp>(M|-)?\d+|//|XX|MM)/
                           (?P<dewpt>(M|-)?\d+|//|XX|MM)?\s+""",
                           re.VERBOSE)
-PRESS_RE = re.compile(r"""^(?P<unit>A|Q|QNH|SLP)?
+PRESS_RE = re.compile(r"""^(?P<unit>A|Q|QNH)?
                            (?P<press>[\dO]{3,4}|////)
                            (?P<unit2>INS)?\s+""",
                            re.VERBOSE)
@@ -762,8 +762,6 @@ def _handleSealvlPressRemark( self, d ):
           value += 1000
       else: 
           value += 900
-      if not self.press:
-          self.press = pressure(value,"MB")
       self.press_sea_level = pressure(value,"MB")
               
   def _handlePrecip24hrRemark( self, d ):