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North Bay, Ontario
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Snow Survey Readings
FOR APRIL 1, 2021

(North Bay, Ontario, April 1, 2021)  Two of the three snow survey stations are now without snow, bringing the average snow depth down 23.8 cm and the average water equivalence down 83.7 mm since the last snow survey March 22, reports the North Bay-Mattawa Conservation Authority (NBMCA) who measures snow depth and water content as part of its Flood Forecasting and Warning Program. 

“The average snow depth for all sites is 3.7 cm (12% normal for this time of year) and average water equivalence is 9.3 mm (10% normal),” said Kurtis Romanchuk NBMCA’s Water Resources Engineer. Last year at this time, the average snow depth was 22.3 cm and water equivalence was 66.3 mm.   Given the early freshet, snow levels now are more typical of measurements taken later in April.

Snow is measured for depth and water equivalence at three locations in the watershed.  

North Bay Golf and Country Club (Chippewa Creek Watershed, North Bay)
*Data prior to Dec. 2011 collected at the former Northeast Mental Health Centre, Hwy 11

Current Average Snow Depth for April 1, 2021          0 cm
Current Average Water Equivalence for April 1, 2021 0 mm
Average Snow Depth for April 1, 2020                     20.4 cm
Highest recorded snow depth for April 1 since 2012*75.7 cm in 2014


Corbeil Conservation Area (La Vase River Watershed, Corbeil)

Current Average Snow Depth for April 1, 2021           0 cm
Current Average Water Equivalence for April 1, 2021 0 mm
Average Snow Depth for April 1, 2020                     23.5 cm
Highest recorded snow depth for April 1 since 1988 71.9 cm in 2014


Shirley Skinner Conservation Area (Kaibuskong River Watershed, Chisholm)

Current Average Snow Depth for April 1, 2021                  11.1 cm (35% of normal)
Current Average Water Equivalence for April 1, 2021 28 mm   (30% of normal)
Average Snow Depth for April 1, 2020                              23.0 cm
Highest recorded snow depth for April 1 since 2007   71.3 cm in 2019

The North Bay-Mattawa Conservation Authority (NBMCA) was founded in 1972 by the Province of Ontario and the NBMCA’s 10 member municipalities. A non-profit organization, the NBMCA works closely with the public to balance human needs with the environmental needs of the region’s watershed. NBMCA is one of 36 Conservation Authorities who are members of Conservation Ontario. 

You can follow NBMCA on twitter @theNBMCA and on facebook.com/theNBMCA.