The lockdown and limited traffic may have caused more than 10 percent of daytime temperatures in the Twin Cities.

The positive impact of global closure efforts to reduce the spread of coronavirus in nature and the environment has been reported around the world and has a similar impact in this region.
Official figures from the Met Office show that the maximum temperature in Islamabad decreased by 12 percent in Apri with an average temperature of 26.8 ° C.

The average maximum temperature in Rawalpindi was 27.3 ° C, 10 ° C lower than usual.

A senior meteorological office official said that the low temperatures during the day were not supported by any technical reason other than limited human intervention.
He said: Even the rain in urban areas in Rawalpindi was below normal, but the heavy traffic small heat emission units and even the human exhale in a nearby area creates a thermal cloud overcrowded cities.

The official added that there was no significant temperature change at night, as the minimum the temperature in Islamabad was 2.3% lower than usual while the situation in Rawalpindi was the opposite.
Met Office records show that the April minimum average temperature was 16.1 ° C, 2.1pc above average. Rainfall in Rawalpindi was around 56 percent below the normal level of 28.1 mm. However, Islamabad received just above normal rain 63 mm in April.

With the onset of summer in early May, temperatures are likely to be normal in the next month.
The weather office forecast rain for two or three periods in May with isolated systems from the west.

But if the closure continues in May the rain will cool down in the northern regions. Since the southern parts of the country will experience a rise in temperatures a gradual temperature between north and south may cause dust storms and swirls in central and southern Punjab and north Sindh.

A similar pattern was observed on Saturday even in Islamabad when the rain started with cool drops accompanied by western wind but the south wind quickly drove the clouds back to bring heavy rain after a few minutes gap the official said.