晉州地方의 諸 氣象要素에 關한 分析的 硏究 : 6. On the Duration of Bright Sunshine and it's changes(1931∼'60) 第6報 日照時間과 日照率 및 그 變化에 關하여 = Analytic and Statistical Studies on Several Meteorological Elements in the District of Jinju

다국어 초록 (Multilingual Abstract)

As the serial research of meteorological elements of Jinju district, the duration of bright sunshine has been studied from the materials which had been observed at The Office of Rural Development, Gyeongnam Province from Jan. 1931 to Dec. 1960.
From the analyzed data, the daily, dekad, monthly, and yearly mean values are suggested on the Table-(1), (2), (3), and the yearly changes are plotted on the Fig. -(1).
Moreover percentages of possible sunshine are listed monthly on the Table-(4), and the yearly, monthly, dekad number of sunless days are also listed on Table-(6), (7).
The summarized results from the tables and figures are as follows;
(1) Daily mean values of duration of bright sunshine are 6.04 hrs.
(2) Percentage of possible sunshine in a year is 49.5%.
(3) In the monthly changes, the highest mean value is 208.93 hrs in May and the lowest is 155.37 hrs in July.
(4) The number of day with percentage of possible sunshine under 20% is 86.8 days in a year and the number of day above 80% is 86.6 days.
(5) The number of sunless days arc 52.1 days in a year, which comes under 14.3% for a year.