Fixed bug of pre/after midnight selection in plot.py

pysqm/plot.py

@@ -264,7 +264,7 @@ class SQMData(object):
             self.aftermidnight.label_dates=[]
 
 
-            if localdatetime.hour > 12:
+            if localdatetime.hour >= 12:
                 self.premidnight.utcdates.append(utcdatetime)
                 self.premidnight.localdates.append(localdatetime)
                 self.premidnight.temperatures.append(temperature)