diff --git a/modules/util/viirs_surfrad.py b/modules/util/viirs_surfrad.py
index 5e6aa1c819b07aa07b5ab220414ca011351bf999..c6defa84d4730c90269fd70125c5cbdc267dc91d 100644
--- a/modules/util/viirs_surfrad.py
+++ b/modules/util/viirs_surfrad.py
@@ -81,7 +81,7 @@ def process_cld_opd(grd_k):
     keep_cld = np.where(keep, (0.1 < grd_k), False)
     frac_cld = np.sum(keep_cld)/num_keep
     # if not (0.50 < frac_cld < 0.85):
-    if not (0.40 < frac_cld < 1.0):
+    if not (0.25 < frac_cld < 1.0):
         return None
     grd_k = np.where(np.invert(keep), 0, grd_k)  # Convert NaN to 0
     return grd_k