From eee2b990cb5d2d987bc6864b760d833740f000e8 Mon Sep 17 00:00:00 2001
From: tomrink <rink@ssec.wisc.edu>
Date: Tue, 7 Jun 2022 13:23:42 -0500
Subject: [PATCH] snapshot...

---
 modules/util/util.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/modules/util/util.py b/modules/util/util.py
index 6d7871a7..bc6ab86d 100644
--- a/modules/util/util.py
+++ b/modules/util/util.py
@@ -413,7 +413,11 @@ def scale(data, param, mean_std_dict):
     shape = data.shape
     data = data.flatten()
 
-    mean, std, lo, hi = mean_std_dict.get(param)
+    if mean_std_dict is None:
+        lo = np.nanmin(data)
+        hi = np.nanmax(data)
+
+    _, _, lo, hi = mean_std_dict.get(param)
 
     data -= lo
     data /= (hi - lo)
-- 
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