diff --git a/Nasal/local_weather/weather_tiles.nas b/Nasal/local_weather/weather_tiles.nas
index 37ab2c55a..130ec96cd 100644
--- a/Nasal/local_weather/weather_tiles.nas
+++ b/Nasal/local_weather/weather_tiles.nas
@@ -1703,7 +1703,7 @@ var vis = 9000.0 + rand() * 10000.0;
 var T = 10.0 + rand() * 15.0;
 var spread = 8.0 + 4.0 * rand();
 var D = T - spread;
-var p = 1000 + rand() * 10.0; p = adjust_p(p);
+var p = 990 + rand() * 10.0; p = adjust_p(p);
 
 if (realistic_visibility_flag == 1) {vis = vis * realistic_visibility_multiplyer;}