Abstract
Crimes such as fraud, bicycle theft and larceny are partly due to the carelessness of victims. So the number of occurrence of these crimes may provide a good information of the people's carelessness. In order to study the psychological effect of weather factors, as precipitation, wind velocity, humidity, temperature, pressure, etc., we analysed the variance of the number of occurrence of the above crimes according to police records, getting rid of physical influences of weather.
