Ice dam risk in Murray, KY
How often ice dams form in Murray
0.8 dam days a winter
Almost never. An ordinary house in Murray sees 0.8 days a winter when an ice dam can form, because snow rarely stays on a roof long enough below freezing.
Murray averages 7 inches of snow a year and about 5 days with snow on the ground. Too little lies on the roof for long. The conditions that make a dam need all three at once: snow, cold at the eave and heat above it.
What your attic does to that number in Murray
| Attic | Dam days | Risk |
|---|---|---|
| Air-sealed and well insulated | 0.6 | Very unlikely |
| Typical, some insulation, not air-sealed | 0.8 | Very unlikely |
| Older or poorly insulated, warm attic | 1.1 | Low |
The attic matters less in Murray than in colder towns: there are only 0.2 days a winter between a typical attic and a sealed one.
Do you need to do anything in Murray?
- Nothing for ice dams. If you are buying here and an inspector mentions water at the eaves, ask what they saw: it is far more likely a gutter, flashing or drip-edge problem than ice.
Snowy places are not always the worst: why snowfall misleads.
Murray winter, month by month
| Month | Snow (in) | Days on ground | Dam days |
|---|---|---|---|
| January | 2.3 | 2.0 | 0.4 |
| February | 1.8 | 1.4 | 0.2 |
| March | 1.0 | 0.5 | 0.0 |
| April | 0.1 | 0.0 | 0.0 |
| October | 0.1 | 0.0 | 0.0 |
| November | 0.1 | 0.2 | 0.0 |
| December | 1.1 | 1.0 | 0.2 |
Murray next to nearby towns
Murray ranks 36 of 42 Kentucky cities here for ice-dam days, behind Fort Thomas at 6.8 days.
- Paris, TN 22 mi, 0.6 days
- Martin, TN 35 mi, 0.5 days
- Paducah, KY 36 mi, 1.4 days
- Union City, TN 42 mi, 0.9 days
- Hopkinsville, KY 50 mi, 0.1 days
Where these numbers come from
NOAA 1991–2020 climate normals from Murray, 1.2 miles from Murray. A dam day is a day with snow on the roof and freezing at the eave while heat or sun melts the snow above it. This describes a normal winter, not this one.