diff --git a/modules/icing/pirep_goes.py b/modules/icing/pirep_goes.py
index 406e0317589f91e7e7a0bf9d27811f87893e48a1..9f2b58218630230a7eb959802397253c8cccd455 100644
--- a/modules/icing/pirep_goes.py
+++ b/modules/icing/pirep_goes.py
@@ -573,8 +573,8 @@ def process(ice_dct, no_ice_dct, neg_ice_dct):
     ridxs = np.random.permutation(np.arange(no_ice_keys.shape[0]))
     no_ice_keys = no_ice_keys[ridxs]
     no_ice_tidx = no_ice_tidx[ridxs]
-    no_ice_keys = no_ice_keys[::14]
-    no_ice_tidx = no_ice_tidx[::14]
+    no_ice_keys = no_ice_keys[::12]
+    no_ice_tidx = no_ice_tidx[::12]
     print('no ice reduced: ', no_ice_keys.shape[0])
 
     sidxs = np.argsort(no_ice_keys)