Census ZIP Code Tabulation Area
Will ZIP 06475 have a white Christmas?
Snow-on-the-ground odds near Old Saybrook Center, CT, for December 25, 2026.
The historical picture
The validated 1991–2020 spatial model indicates an estimated 19% chance of at least one inch of snow on the ground at this ZCTA’s Census internal point.
ACS population
10,575
Land area
15.06 sq mi
Nearest station
18 mi
3DEP elevation
33 ft
Climate period
1991–2020
This is a Census ZCTA, not a USPS delivery-route boundary. Its internal point is 2 miles from Old Saybrook Center. The estimate retains all four NOAA source stations and their interpolation weights.
Frequently asked questions
- Will ZIP 06475 have a white Christmas?
- Its validated 1991–2020 historical estimate is 19%, or about about 2 years in 10. Inside the forecast window, live ensemble guidance is blended with that history.
- Is this the exact USPS ZIP boundary?
- No. The Census Bureau creates ZIP Code Tabulation Areas to approximate the geography of USPS ZIP Codes. USPS delivery routes can change and do not form a permanent national polygon dataset.