Today’s snow survey measurements show a snow depth increase of 8.0 cm, and snow water equivalence increase of 14.7 mm from the last survey on December 1, 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 fresh snowfall has a combined average snow depth of 20.5 cm and snow water equivalence of 32.7 mm at the three snow course locations,” said Angela Mills, NBMCA Water Resources Specialist.
A Snow Survey page on our website is available with more snow survey program information and this season's measurements. https://nbmca.ca/watershed-management/snow-survey/
Snow is measured for depth and water equivalence at three locations in the watershed.
Table 1: North Bay Golf and Country Club (Chippewa Creek Watershed, North Bay)
|
Current Snow Depth for December 15, 2025 |
23.3 cm (above normal) |
|
Current Snow Water Equivalence for December 15, 2025 |
41.0 mm (normal) |
|
Snow Depth last year for December 16, 2024 |
18.3 cm |
|
Normal Snow Depth |
4.5 cm – 21.1 cm |
|
Highest recorded snow depth for December 15 since 2012* |
32.2 cm in 2018 |
*Data prior to Dec. 2011 from the former Northeast Mental Health Centre, Hwy 11
Table 2: Corbeil Conservation Area (La Vase River Watershed, Corbeil)
|
Current Snow Depth for December 15, 2025 |
19.6 cm (normal) |
|
Current Snow Water Equivalence for December 15, 2025 |
28.0 mm (normal) |
|
Snow Depth last year for December 16, 2024 |
16.0 cm |
|
Normal Snow Depth |
8.1 cm – 29.1 cm |
|
Highest recorded snow depth for December 15 since 1987 |
43.2 cm in 1995 |
Table 3: Shirley Skinner Conservation Area (Kaibuskong River Watershed, Chisholm)
|
Current Snow Depth for December 15, 2025 |
18.5 cm (normal) |
|
Current Snow Water Equivalence for December 15, 2025 |
29.0 mm (normal) |
|
Snow Depth last year for December 16, 2024 |
17.9 cm |
|
Normal Snow Depth |
11.7 cm – 30.8 cm |
|
Highest recorded snow depth for December 15 since 2006 |
41.1 cm in 2010 |
The North Bay-Mattawa Conservation Authority (NBMCA) was founded in 1972 by the Province of Ontario. 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) 494-5115