IGSO PAS > Climate Research Department > Monitoring network

Climate Research Department


Warsaw and its vicinity (air temperature and humidity monitoring network)

The first microclimatic measurement network, consisting of 10 loggers in 8 different spatial development units, was operating in the years 2001-2002. In 2006, the microclimatic network resumed its operation, and finally, since 2007, measurements of air temperature, humidity and precipitation were carried out in Warsaw and its vicinity at 20 sites: 8 of them were located in Warsaw itself, in various urban units, while 12 spots were in peripheral locations. In years 2008-2010, the network was expanded in the frames of the project implemented jointly with the Warsaw University of Life Sciences: “Assessment of the biologically active areas indicator as a standard for shaping the spatial structure of residential areas” (project of the Ministry of Science and Higher Education No. N527 0669 33). As a result, another 18 stations for thermal and humidity measurements were added in Warsaw housing estates, some of which were closed after the end of the project. There were a total of 27 measuring points in the entire 2009-2018 period, while from 2019 the network was reduced to 20 spots.

HOBO automatic air temperature and humidity loggers have been installed in all locations (initially at 1.5 m high, over time raised to 2 m above the ground). The sampling time is 10 seconds and 10-minute averages are recorded. Data reading from the loggers is made approximately every 3 months.

For many years, the precipitation measurement network was also in operation, consisting of 8 Hellmann rain gauges and 2 autonomous HOBO rain gauges. The rainfall totals was measured at 10 sites: 2 within the city (Kamionek, Białołęka) and 8 in the surrounding towns (Błonie, Mińsk Mazowiecki, Radzymin, Sulejówek, Tłuszz, Wołomin, Zalesie and Zielonka). There are currently 4 precipitation stations left.

Data from the micrometeorological network form the basis for projects, scientific articles and expertises on the city's climate.

Network of air temperature and humidity monitoring points in 2022