diff --git a/test/neuralgcm_test.py b/test/neuralgcm_test.py
index 9db4aac1..a9f3b2e9 100644
--- a/test/neuralgcm_test.py
+++ b/test/neuralgcm_test.py
@@ -93,10 +93,16 @@ def setUp(self):
         eval_era5 = xarray_utils.regrid(sliced_era5, regridder)
         eval_era5 = xarray_utils.fill_nan_with_nearest(eval_era5)
 
-        # inner_steps = 24  # save model outputs once every 24 hours
-        # outer_steps = 4 * 24 // inner_steps  # total of 4 days
-        inner_steps = 4  # save model outputs once every 24 hours
-        outer_steps = 4 * 4 // inner_steps  # total of 4 days
+        import os
+        if os.getenv("NEURALGCM_LARGE") is not None: 
+            inner_steps = 24  # save model outputs once every 24 hours
+            outer_steps = 4 * 24 // inner_steps  # total of 4 days
+        elif s.getenv("NEURALGCM_MEDIUM") is not None: 
+            inner_steps = 4  # save model outputs once every 24 hours
+            outer_steps = 4 * 4 // inner_steps  # total of 4 days
+        else:
+            inner_steps = 1  # save model outputs once every 24 hours
+            outer_steps = 1 * 1 // inner_steps  # total of 4 days
 
         timedelta = np.timedelta64(1, "h") * inner_steps
         # times = (np.arange(outer_steps) * inner_steps)  # time axis in hours