Index: wflow-py/wflow/pcrut.py
===================================================================
diff -u -rf33154035afcaa101c5a30594b9c86a4fe9f61ef -rb90c267fae9ec3423464cf9b6c7a9bcbcd45d3a0
--- wflow-py/wflow/pcrut.py	(.../pcrut.py)	(revision f33154035afcaa101c5a30594b9c86a4fe9f61ef)
+++ wflow-py/wflow/pcrut.py	(.../pcrut.py)	(revision b90c267fae9ec3423464cf9b6c7a9bcbcd45d3a0)
@@ -150,7 +150,7 @@
         ifile.close()
 
         mat = numpy.loadtxt(nname, skiprows=toskip)
-        mis = mat == 1e+31
+        mis = mat == 1e31
         mat[mis] = numpy.nan
 
         if len(mat.shape) > 1: