Detailed station data* follows:
|Spring 32°||May 6||May 1||Apr 27||Apr 23||Apr 20||Apr 17||Apr 13||Apr 9||Apr 3|
|Spring 28°||Apr 19||Apr 14||Apr 9||Apr 6||Apr 2||Mar 30||Mar 26||Mar 22||Mar 16|
|Spring 24°||Apr 6||Mar 31||Mar 26||Mar 23||Mar 19||Mar 15||Mar 12||Mar 7||Mar 1|
|Fall 32°||Oct 5||Oct 10||Oct 14||Oct 17||Oct 20||Oct 23||Oct 26||Oct 30||Nov 3|
|Fall 28°||Oct 15||Oct 22||Oct 27||Oct 31||Nov 3||Nov 6||Nov 11||Nov 15||Nov 22|
|Fall 24°||Oct 26||Nov 1||Nov 6||Nov 10||Nov 15||Nov 19||Nov 23||Nov 28||Dec 7|
|Spring 32°||May 13||May 9||May 6||May 3||May 1||Apr 28||Apr 26||Apr 23||Apr 19|
|Spring 28°||May 2||Apr 26||Apr 22||Apr 18||Apr 15||Apr 11||Apr 8||Apr 3||Mar 29|
|Spring 24°||Apr 19||Apr 13||Apr 9||Apr 5||Apr 1||Mar 28||Mar 24||Mar 20||Mar 13|
|Fall 32°||Sep 26||Sep 30||Oct 4||Oct 7||Oct 9||Oct 12||Oct 15||Oct 18||Oct 22|
|Fall 28°||Oct 4||Oct 10||Oct 13||Oct 17||Oct 20||Oct 23||Oct 26||Oct 30||Nov 3|
|Fall 24°||Oct 18||Oct 23||Oct 26||Oct 29||Oct 31||Nov 3||Nov 6||Nov 10||Nov 15|
|Spring 32°||Apr 24||Apr 19||Apr 16||Apr 14||Apr 11||Apr 9||Apr 6||Apr 3||Mar 30|
|Spring 28°||Apr 14||Apr 9||Apr 6||Apr 3||Mar 31||Mar 28||Mar 25||Mar 21||Mar 17|
|Spring 24°||Apr 7||Mar 30||Mar 24||Mar 19||Mar 14||Mar 10||Mar 5||Feb 27||Feb 19|
|Fall 32°||Oct 9||Oct 15||Oct 19||Oct 22||Oct 25||Oct 29||Oct 31||Nov 4||Nov 9|
|Fall 28°||Oct 15||Oct 22||Oct 27||Oct 31||Nov 3||Nov 7||Nov 12||Nov 17||Nov 24|
|Fall 24°||Oct 27||Nov 3||Nov 8||Nov 13||Nov 17||Nov 22||Nov 27||Dec 3||Dec 11|
* This station data is available courtesy the National Climatic Data Center.
For each weather station, you will see a temperature along with tables of data organized into percentage columns. The percentage column tells you the probability that you will experience that row's temperature on or near that date. Here are two examples to help you determine your probable last frost and first freeze dates.
Example 1 (Last Frost). In the Spring 32° row, if you have "Apr 15" under the 50% column, that means you have a 50% chance of seeing frost on or before April 15th.
Example 2 (First Freeze). In the Fall 24° row, if you have "Dec 1" under the 90% column, that means you have a 90% chance of seeing 24 degrees on or after December 1st.
Empty cells indicate you have a less than 10% chance of ever seeing that temperature.