From fe3cd6bb4bc6509d54dfebc798e32e30605be705 Mon Sep 17 00:00:00 2001
From: XANTRONIX Industrial <xan@xantronix.com>
Date: Wed, 12 Mar 2025 21:22:21 -0400
Subject: [PATCH] Calculate lapse rate between pressure intervals

---
 lib/xmet/thermo.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/xmet/thermo.py b/lib/xmet/thermo.py
index 49d8515..aaee26b 100644
--- a/lib/xmet/thermo.py
+++ b/lib/xmet/thermo.py
@@ -120,7 +120,7 @@ def loft_parcel(start_temp: float,
 
         if last_height is not None:
             try:
-                rate = lapse_rate(temp, pressure)
+                rate = lapse_rate(temp, pressure-step/2)
             except OverflowError:
                 break