by Farmers' Almanac Staff | Wednesday, February 14th, 2007 | From: Weather
Courtesy of the National Climatic Data Center, National Oceanic and Atmospheric Administration.
The dates listed above are normal averages for a light freeze/frost. The possibility of a frost occurring after the spring dates and before the fall dates is 50 percent. Frost/freeze temperatures are categorized by their effect on plants:
Light freeze: 29 degrees F to 32 degrees F — tender plants killed, with little destructive effect on other vegetation.
Moderate freeze: 25 degrees F to 28 degrees F — widely destructive effect on most vegetation, with heavy damage to fruit blossoms and tender and semi-hardy plants.
Severe freeze: 24 degrees F and colder — damage to most plants.
Cloudy. Showers likely...mainly this afternoon. Highs 65 to 70. Light and variable winds...becoming northwest around 10 mph this afternoon. Chance of rain 70 percent.