Wednesday

Wednesday rainfall in Chilliwack broke record for that day

In a complete turnaround this year, July 23 turned out to be the wettest — not the driest — on record since 1879

It’s typically the driest day of the year.

But in a complete turnaround this year, July 23 turned out to be the wettest on record since 1879, says Roger Pannett, Chilliwack volunteer weather observer for Environment Canada.

A whopping total of 21.8 mm of the wet stuff hit the ground Wednesday.

Looking at rainfall totals in history for that day, consider that in 1912, only 5.8 mm fell on July 23. Then in 2012, it was 13.1 mm of rain for that day.

“In comparison, the severe storm and flash flooding in Kamloops produced in excess of 23.2 mm in 30 minutes!” said Pannett by email to The Progress.

These are the ‘dog days’ of summer, which is usually the driest time of the year.

The wettest Chilliwack July day on record, however, was when 65.3 mm fell on July 8, 1997.

The total monthly average rainfall for July is 46 mm over six days.

Rainfall total to date for this month is at 32 mm over seven days.

According to the gauge at the Vedder bridge, the Chilliwack-Vedder river rose 17 cm during the rain event, going from 2.10 metres to 2.27 metres.

jfeinberg@theprogress.com

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