Undercurrents: beneath the obvious

February 2, 2007

Great Lakes Water Level Update for February 2007

Filed under: Great Lakes News,Lake Levels — nemo @ 9:18 pm

This past month the water supply to the Lake Superior basin was well below its long-term average for January, while the supply to the Lakes Michigan-Huron basin was above its January average.

The levels of Lake Superior and Lakes Michigan-Huron remain below their chart datum levels.

The level of Lake Superior is expected to continue to decline during the next couple of months, while that of Lakes Michigan-Huron is expected to remain about the same.

Currently, the Lake Superior level is about 45 cm (18 inches) below its long-term average beginning-of-February level, and is 35 cm (14 inches) below the level recorded a year ago.

This past month the level of Lake Superior fell by about 10 cm (4 inches), while on average it falls by seven cm (3 inches) in January.

The last time Lake Superior was lower at this time of year was in February 1926.

The level of Lakes Michigan-Huron fell by one cm (1/2 inch) this January, while on average the level of these lakes decline by about three cm (one inch) in January.

The level of Lakes Michigan-Huron is now about 33 cm (13 inches) below its long-term average beginning-of-February level, but is six cm (two inches) higher than a year ago.

Source: U.S. Army Corps of Engineers

Technorati Tags:

Advertisements

Leave a Comment »

No comments yet.

RSS feed for comments on this post. TrackBack URI

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s

Blog at WordPress.com.

%d bloggers like this: