diff --git a/Machines/dav_modules b/Machines/dav_modules
index fd446245..5be4bfa2 100755
--- a/Machines/dav_modules
+++ b/Machines/dav_modules
@@ -13,7 +13,7 @@ module load ncl/6.6.2
 
 # clone the ncat virtualenv first with helper script ncar_pylib
 # use "ncar_pylib --help" to see all options
-ncar_pylib -c 20190326 ${pp_dir}/cesm-env2
+ncar_pylib -c 20190718 ${pp_dir}/cesm-env2
 
 export PYTHONPATH=${pp_dir}/cesm-env2/lib/python2.7/site-packages
 
diff --git a/averager/pp_tests/runAvg_mpi_dav.sh b/averager/pp_tests/runAvg_mpi_dav.sh
new file mode 100755
index 00000000..c454a896
--- /dev/null
+++ b/averager/pp_tests/runAvg_mpi_dav.sh
@@ -0,0 +1,62 @@
+#! /bin/bash -l
+
+#SBATCH -n 16
+#SBATCH -N 4
+#SBATCH --ntasks-per-node=4
+#SBATCH -t 00:05:00
+#SBATCH -p dav
+#SBATCH -J atm_averages_dav
+#SBATCH -A P93300606
+#SBATCH --mem 10G
+#SBATCH -e atm_averages_dav.err.%J
+#SBATCH -o atm_averages_dav.out.%J
+#SBATCH -m block
+
+
+if [ ! -e /gpfs/fs1/work/aliceb/sandboxes/dev/postprocessing_dav/cesm-env2/bin ]; then
+    echo "*************************************************************************************"
+    echo "CESM atm_averages_dav exiting due to non-existant python virtual environment in"
+    echo "    /gpfs/fs1/work/aliceb/sandboxes/dev/postprocessing_dav/cesm-env2/bin"
+    echo "You must first run:"
+    echo "$POSTPROCESS_PATH/create_python_env -machine [machine]"
+    echo "*************************************************************************************"
+    exit
+fi
+
+
+module purge
+
+
+
+
+## activate the virtualenv that contains all the non-bootstrapped dependencies
+
+cd /gpfs/fs1/work/aliceb/sandboxes/dev/postprocessing_dav/cesm-env2/bin
+echo "Running from virtualenv directory:"
+pwd
+. activate
+
+## load the boot-strap modules 
+
+
+module load python/2.7.14
+
+module load intel/17.0.1
+
+module load ncarenv
+
+module load ncarcompilers
+
+module load impi
+
+module load netcdf/4.6.1
+
+module load nco/4.7.4
+
+module load ncl/6.4.0
+
+export POSTPROCESS_PATH=/gpfs/fs1/work/aliceb/sandboxes/dev/postprocessing_dav
+
+srun /gpfs/fs1/work/aliceb/sandboxes/dev/postprocessing_dav/averager/pp_tests/test_atm_series.py
+
+