The average monthly rainfall in Mangalore in the month of June is 1045 mm but the city received only 610 mm of rain, the highest in last one decade. The lowest amount of rain that the city had received earlier in the month of June was 629 mm, observed in drought year of 2009.
There has also been only 20 rainy days in June - there is rain almost everyday during normal Monsoon – with light to moderate spells of rain. Heavy spells have been very few which added up to the deficit.
The above reasons clearly indicate how weak Monsoon in Mangalore has been so far. The beginning of July will start on a weaker note in terms of rain in the city, but Monsoon showers are likely to pick up from the second week and become moderate in intensity.