The air temperature trend in Croatia is accordance with the global warming trend with a certain inter-annual fluctuations. The average annual temperature for the Zagreb-Gric Observatory during the period 1862-2014 indicates the year 2014 is on par with the year 2000 as the warmest year on record. Such temperature is followed by heavy precipitation events and floods in many regions of Croatia during the spring, summer and autumn 2014 what is in accordance with expectations related to the climate change.
Above cited is the main reason of increasing relevance of climate anomaly maps relative to 1961-1990 average and corresponding monthly, seasonal and annual reports for different purposes. The aim of this paper is to present the importance of such and other weather reports for scientific community as well as for commercial purposes (insurance companies, purposes of courts, etc).