Table 3.
Four zones of effective air drying days in Korea

	Range of EADD	Districts
1st zone	Below 250 days	Chuncheon, Cheongju
2nd zone	250 - 259 days	Seoul, Incheon, Suwon, Seosan, Daejeon, Chupungnyeong, Gunsan, Jeonju
3rd zone	260 - 269 days	Gangneung, Daegu, Gwangju, Mokpo, Jinju
4th zone	Above 270 days	Sokcho, Ulleung-do, Pohang, Ulsan, Busan, Tongyeong, Yeosu, Jeju, Seogwipo