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Thunder Bay experienced a 'huge' rainfall deficit in July

It was the second-driest July since rainfall records were started at Thunder Bay Airport.
Dry lawn

THUNDER BAY — New data from Environment Canada shows why many area residents are watering their lawns to keep them from drying out.

The Thunder Bay region received significantly less rain than it normally gets in July.

"It was a huge deficit," says meteorologist Gerald Cheng.

At Thunder Bay Airport, only 15.9 millimetres of rain fell last month, just 18 per cent of the historic average which is 89 millimetres.

Much of July's rainfall occurred in the closing days of the month.

It was the second driest July since rainfall records were begun at Thunder Bay Airport in 1942.

Only July 1981 had less rain, with just 7.4 millimetres. 

Last month was also warmer than normal, with an average daily maximum of 26.4 C, compared with the historic average of 24.2 C.

The record average daily high for July in Thunder Bay is 27.7 C, established in 2002.

Cheng said the long-range forecast for August calls for generally above-normal temperatures.