Statistical structure of the homogenized precipitation time series of Hungary : Part 2: Statistics of days and areas with precipitation in Hungary

Tar, Károly and Szegedi, Sándor and Hadnagy, István and Tóth, Tamás and Lázár, István (2026) Statistical structure of the homogenized precipitation time series of Hungary : Part 2: Statistics of days and areas with precipitation in Hungary. IDŐJÁRÁS / QUARTERLY JOURNAL OF THE HUNGARIAN METEOROLOGICAL SERVICE, 130 (1). pp. 45-68. ISSN 0324-6329

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Abstract

The database of the present examination is the homogenized and interpolated precipitation time series of Hungary, which is diurnal amounts of precipitation for the 1233 grid cells, covering the area of the country for 1971–2022, in the state of the database in 2023. Firstly, the diurnal amount of precipitation over the area of the country, which is the sum of precipitation that falls in each grid cell over the area of the country has been chosen as a variable to be analyzed. Its annual and monthly characteristics have been analyzed for different independent variables. Secondly, spatial characteristics of the diurnal amount of precipitation, that is its distribution among the grid cells have been examined as well. Based on the above time series, nationwide dry, nationwide rainy, and locally rainy/dry days can be distinguished. In this article, we examine the frequency and precipitation yield of both nationwide, and locally rainy days. Precipitation tendency of an area is measured by the frequency of rainy days on the area and their precipitation yield based on the statistics of rainy days per grid. Our basic goal is to explore the temporal and spatial distribution of rainy days nationwide and locally.

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