new delhi several parts of delhi received very light rain on friday the afternoon shower was accompanied by strong to gusty winds however heatwave conditions are likely to return from may 9 and the mercury is expected to touch 44 degrees celsius by may 11according to india meteorological department 1 mm and 05 mm rainfall was recorded at lodhi road and pitampura respectively between 830 am and 530 pm only trace rainfall was reported at the observatories of safdarjung the citys base station and ridge the wind speed was recorded up to 30 kmph between 12 pm and 1 pm at palamthe maximum temperature rose from 37 degrees celsius on thursday to 384 degrees celsius on friday at safdarjung the minimum temperature settled at 242 degrees celsius one degree below normal the relative humidity levels oscillated between 36 and 80a weatherman said rain is unlikely for the next five days in the capital but there are chances of formation of thundery development on saturday the day temperature is likely to rise from saturdayaccording to imd the maximum temperature is likely to reach 41 degrees celsius by saturday and 43 degrees celsius by may 9 parts of the capital may witness the mercury crossing 45 degrees celsius from may 11 strong surface winds are expected on may 11 and 12 during the daytimedelhi has been witnessing heatwave conditions since the last week of march meanwhile centre for science and environment has stated that the impact of heatwaves is more pronounced in cities due to the urban heat island effect it is a phenomenon where densely populated and built urban areas witness higher temperatures than their surrounding rural areas rising heat in the cities is pushing the poor to invest in mechanical cooling systems like desert coolers or even air conditioners which is leaving a hole in their pockets due to elevated energy bills said csethe finding was based on a study conducted by cse on material penetration in several cities using the state real estate regulation authority database