In this paper we consider diurnal and annual course of general cloudiness and appearance of the cloud species in Toruń for the period 1986-1995. The material comes from the synoptic station at Toruń from hourly observations. The investigation has shown that the mean cloudiness for that period equals 6.4. The maximum cloudiness has been observed in November and December (7.6), the minimum one in May (5.4). The most frequently occuring cloud species in Toruń were Sc, Cu, Ac and the most rarely: Cc, Cs, As. In the warm season the domined species were: Cu, Ci, Cs and Sc while in the cold one: Sc, St, Ns and Ac.
JavaScript is turned off in your web browser. Turn it on to take full advantage of this site, then refresh the page.