Weather in India MONSOON SEASON (June to September 2010) † 1. Characteristic features of southwest Monsoon 2010 1.1. The seasonal rainfall (during June to September 2010) over the country as a whole was 102% of its Long Period Average (LPA). 1.2. The seasonal rainfall was 112% of its LPA over Northwest India, 104% of its LPA over Central India, 118% of its LPA over South peninsula and 82% of its LPA over Northeast India. 1.3. Out of 597 meteorological districts, 173 districts (29%) received

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... ss*, 240 districts (40%) normal, 173 districts (29%) received deficient and the remaining 11 districts (2%) received scanty rainfall during the season. 1.4. For the country as a whole, the rainfall was 84% of LPA in June, 103% of LPA in July, 105% of LPA in August and 112% of LPA in September. 1.5. The entire Monsoon season was devoid of any Monsoon depression. Thus, 2010 has been the only year in the recorded history after 2002, to have no depression during the entire season. 1.6. Typical break condition did not occur all through the season. However, there had been subdued phases during July & August. 1.7. The El-Nino neutral conditions changed over to La-Nina conditions during the first half of the season and persisted all through. 1.8. Weak negative Indian Ocean Dipole pattern was present over the equatorial Indian Ocean during the season. 1.9. The MJO signal, as per the CPC / NOAA analysis, remained weak/incoherent nearly all through the season. The active convective phase in association with MJO was reported only during 3-10 May, 12-26 July and subsequently during 4-18 October. 1.10. There was noticeable delay in the withdrawal of southwest monsoon. * Definitions of terms in Italics other than sub-titles are given in Appendix A.