precipitation 
  11    2    1
+0.0000e+00 +1.0000e-02 
+1.0000e+00 +1.0000e-02 
+2.0000e+00 +1.0000e-02 
+3.0000e+00 +1.0000e-02 
+4.0000e+00 +1.0000e-02 
+5.0000e+00 +1.0000e-02 
+6.0000e+00 +1.0000e-02 
+7.0000e+00 +1.0000e-02 
+8.0000e+00 +1.0000e-02 
+9.0000e+00 +1.0000e-02 
+1.0000e+01 +1.0000e-02