Here is the script that was exported in model builder.
# ---------------------------------------------------------------------------
# sample.py
# Created on: 2011-02-19 11:28:49.00000
# (generated by ArcGIS/ModelBuilder)
# Description:
# ---------------------------------------------------------------------------
# Import arcpy module
import arcpy
# Check out any necessary licenses
arcpy.CheckOutExtension("spatial")
# Local variables:
MEG_counties_shp__2_ = "R:\\Shapefiles\\Other Shapefiles\\MEG_counties.shp"
rr3precip_csv = "W:\\gistemp\\rr3precip.csv"
DailyPrecip_layer = "DailyPrecip_layer"
DailyPrecip_shp = "R:\\PrecipMap\\DailyPrecip.shp"
TopoToR_shp2 = "R:\\ArcGIS\\Default.gdb\\TopoToR_shp2"
DailyPrecip_img = "R:\\PrecipMap\\DailyPrecip.img"
DailyPrecip100_img = "R:\\PrecipMap\\DailyPrecip100.img"
DailyPrec100 = "R:\\PrecipMap\\DailyPrec100"
DailyPrecipcontour_shp = "R:\\PrecipMap\\DailyPrecipcontour.shp"
Output_stream_polyline_features = ""
Output_remaining_sink_point_features = ""
Output_diagnostic_file = ""
Output_parameter_file = ""
# Process: Make XY Event Layer
arcpy.MakeXYEventLayer_management(rr3precip_csv, "lon", "lat", DailyPrecip_layer, "", "")
print 'Make XY Event Layer Done'
# Process: Copy Features
arcpy.CopyFeatures_management(DailyPrecip_layer, DailyPrecip_shp, "", "0", "0", "0")
print 'Copy Features Done'
# Process: Topo to Raster
arcpy.gp.TopoToRaster_sa("R:\\PrecipMap\\DailyPrecip.shp pcpn PointElevation", TopoToR_shp2, "0.003", "R:\\Shapefiles\\Other Shapefiles\\MEGCWA.shp", "20", "", "", "ENFORCE", "CONTOUR", "40", "", "1", "0", "", "", Output_stream_polyline_features, Output_remaining_sink_point_features, Output_diagnostic_file, Output_parameter_file)
print 'Topo To Raster Done'
# Process: Clip
arcpy.Clip_management(TopoToR_shp2, "-91.407437 33.650117 -87.970738 36.630955", DailyPrecip_img, MEG_counties_shp__2_, "", "ClippingGeometry")
print 'Clip Done'
# Process: Single Output Map Algebra
arcpy.gp.SingleOutputMapAlgebra_sa("100 * [DailyPrecip.img] ", DailyPrecip100_img, "R:\\PrecipMap\\DailyPrecip.img")
print 'Map Algebra Done'
# Process: Int
arcpy.gp.Int_sa(DailyPrecip100_img, DailyPrec100)
print 'Int Done'
# Process: Raster to Polygon
arcpy.RasterToPolygon_conversion(DailyPrec100, DailyPrecipcontour_shp, "SIMPLIFY", "VALUE")
print 'Raster To Polygon'
I added the "print" commands in there so I could track where the errors where happening.