There was no change in snow depth, while snow water equivalence increased by 19.3 mm since March 25, reports the North Bay-Mattawa Conservation Authority who measures snow depth and water content as part of its Flood Forecasting and Warning Program. 

“The average snow depth is 30.5 cm (normal), and average snow water equivalence is 102.7 mm (normal) for all sites,” said Angela Mills, NBMCA Water Resources Specialist. In 2024, the average snow depth for the three sites was 0 cm and snow water equivalence was 0 mm” she added.

Snow is measured for depth and water equivalence at three locations in the watershed.
2024-2025 Data

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 Snow Depth for April 1, 2025

32.2 cm (normal)

Current Water Equivalence for April 1, 2025

118.0 mm (normal)

Snow Depth last year for April 2, 2024

0 cm

Normal Snow Depth

7.1 cm to 38.8 cm

Highest recorded snow depth for April 1 since 2012*

75.7 cm in 2014

 Corbeil Conservation Area (La Vase River Watershed, Corbeil) 

Current Snow Depth for April 1, 2025

   27.3 cm (normal)

Current Water Equivalence for April 1, 2025

   87.0 mm (normal)

Snow Depth last year for April 2, 2024

   0 cm

Normal Snow Depth

   0 cm to 39.9 cm

Highest recorded snow depth for April 1 since 1988

   71.9 cm in 2014

Shirley Skinner Conservation Area (Kaibuskong River Watershed, Chisholm)

Current Snow Depth for April 1, 2025                

 32.1 cm (normal)

Current Water Equivalence for April 1, 2025

 103.0 mm (normal)

Snow Depth last year for April 2, 2024

Normal Snow Depth

 0 cm

 13.5 cm to 38.8 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 NBMCA’s member municipalities. NBMCA is one of 36 Conservation Authorities in Ontario responsible for watershed management on behalf of local municipalities, stakeholders, and the province.

The public can follow NBMCA on the web at nbmca.ca, on X (Twitter) (@theNBMCA), Facebook (@theNBMCA) and Instagram (nbmcainfo).

For more information, contact: 

Angela Mills, Water Resources Specialist (705) 497-4668
Paula Loranger, Community Relations Coordinator (705) 474-5420