The highest temperature recorded was 39.4 degree Celsius at Nagole, Narayanaguda and Jubilee Hills.
The highest recorded temperature so far today was at Red Hills Play Ground, Nampally, with 36 degree Celsius.
The heat was an unexpected 4.5 degrees Celsius higher than normal for this time of the year. Similar conditions were predicted for the city for Thursday, since there was no rainfall in most parts of Telangana, with the Southwest Monsoon becoming weak.
The city received little to no rainfall on Monday, with the weather varying from one locality to another. In some parts of the city, a drizzle accompanied by cool winds made the weather pleasant and the roads slightly wet, but the average rainfall recorded was only 0.7 mm.
On Sunday, the maximum temperature in the city registered at 39.3 degrees Celsius.
According to Regional Meteorological Department, the temperature levels are likely to drop in next few days
Some road stretches got submerged under a sheet of water while several low lying areas witnessed inundation.
The GHMC, which had already drawn up plans for such situations, did push its manpower and machinery on a relief and rescue mission.
'Not only is the frequency of extreme rain events increasing, but the extremes themselves are intensifying over time', the study notes.
The drizzles and hailstorms were all in the evening, with the sun blazing down on the city at 41.3 degree Celsius earlier in the day. The evening hours saw the scene changing with the drizzle, which though negligible, came as a sign of relief for the sunbaked city.
The morning was dull, with a thick coat of fog floating across in most areas of the city, forcing motorists to keep their headlamps on well past 8 am, especially on the highways. The conditions remained overcast till around 3 pm, with the drizzles continuing intermittently.