Delhi’s record 52.9°C temperature on May 29 had '3°C sensor error', Kiren Rijiju cites IMD report
Also Read | Delhi residents chase water tanker amid severe water crisis & heatwaves The experts also recommended that the Surface Instrument Division in Pune examine and calibrate the AWS temperature sensors periodically for all the AWS. It also recommended a Factory Acceptance Test in different temperatures and routine maintenance of the AWS installed nationwide.“If possible, a third-party audit should be done to authenticate the data quality of AWS.
Stringent automatic quality control should be applied to the observed data from AWS before uploading to the (IMD) website for the general public and various users," the Earth Sciences Minister said.Since 1875, the IMD has been recording weather parameters at conventional observatories. At present, the weather agency operates over 550 surface observatories for weather forecasting, but this manual network is insufficient for continuous monitoring of weather systems like cyclones and monsoons.The highest temperature previously recorded in New Delhi was 48.4 C (119.12 F) in May 1998, the draft IMD report said.
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