From 226d452b4881f03b4f530f24499e0170c2d5e63e Mon Sep 17 00:00:00 2001
From: umsangdon <umsangdon@gmail.com>
Date: Thu, 13 Aug 2026 18:56:39 +0900
Subject: [PATCH] =?UTF-8?q?fix(drainage):=20=EB=93=B1=EC=9A=B0=EC=84=A0=20?=
 =?UTF-8?q?=EC=BB=A4=EB=B2=84=EB=A6=AC=EC=A7=80=20=EC=97=AC=EC=9C=A0=2030k?=
 =?UTF-8?q?m=E2=86=9210km=20=EC=B6=95=EC=86=8C=20(=EC=82=AC=EC=9A=A9?=
 =?UTF-8?q?=EC=9E=90=20=EC=A7=80=EC=8B=9C)?=
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Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
---
 common_util/common_util_wamis_rainfall.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common_util/common_util_wamis_rainfall.py b/common_util/common_util_wamis_rainfall.py
index 4ce8f31f..d4e87ef5 100644
--- a/common_util/common_util_wamis_rainfall.py
+++ b/common_util/common_util_wamis_rainfall.py
@@ -129,7 +129,7 @@ def _iter_linestrings(geometry: dict) -> Iterable[list]:
 
 #: 등우선 커버리지 밖 판정 여유(m). 서버 등우선은 제주도만 커버(2026-08-13 실측) —
 #: 본토 좌표를 넣으면 수백 km 밖 보간으로 "조용히 틀린 값"이 나오므로 차단한다.
-COVERAGE_MARGIN_M = 30_000.0
+COVERAGE_MARGIN_M = 10_000.0
 
 
 def value_at(