The graph depicts the average rainfall in mm for 12 months in some country for the year 2004. The record highest and record lowest rainfall is observed in the month of February and October respectively.
In the month of January, the country experienced approximately 50 mm of rainfall which then fell down to the lowest for the year in the month of February. Moreover, the rainfall remained more or less constant for the following months and an upward trend was observed from the month of May. In the month of January and May, the country experienced the same amount of rainfall. A dip was observed in the month of June, following that month, the rainfall rised by 10 mm in the month of July and it remained constant in the month of August. However, again rainfall decreased by 10 mm in the month of September. The country went through extreme ranfall conditions with the highest rainfall of 65 mm in the month of October and then steep downward trend was noted for the month of November and December. Consequently, the start of the year 2004 and the end of it had the same amount of rainfall.
In conclusion, in the year 2004, the country had experienced rainfall during all the 12 months with varying amount. Based on the graph, it seems that the monsoon season was during the month of June and October.