diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index a2ffc2d49729ba4cf9ece3bc1b8c54e7051ac030..49e3a0a2b55a4cb646ceacf736f8c8e98a420b59 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -1169,6 +1169,9 @@ def run_mean_std():
         data_ni -= mean_ni
         std_ni = np.nanstd(data_ni)
 
+        mean = (mean_i + 3*mean_ni)/4
+        std = (std_i + 3*std_ni)/4
+
         print(dname,': ', data_i.shape, data_ni.shape, mean, mean_i, mean_ni, std, std_i, std_ni)
 
         mean_dct[dname] = mean