Hart ( Castro County )   1986-2004

 

October 23 - Average first freeze date, based on 19 years of data.

 

October 8, 1992   - The earliest first freeze recorded.

 

Data below are the dates of first freeze for each year.

Year  mm/day     Temp           Julian Date

1986   10/12    Temp was 31      285

1987   11/10    Temp was 22      314

1988   11/06    Temp was 29      311

1989   10/19    Temp was 24      292

 

1990   10/10    Temp was 32      283

1991   10/29    Temp was 27      302

1992   10/08    Temp was 27      282 * earliest freeze

1993   10/30    Temp was 18      303

1994   10/26    Temp was 32      299

1995   10/20    Temp was 32      293

1996   10/18    Temp was 29      292

1997   10/26    Temp was 29      299

1998   11/08    Temp was 32      312

1999   10/18    Temp was 32      291

 

2000   10/08    Temp was 32      282

2001   10/13    Temp was 30      286

2002   10/31    Temp was 31      304

2003   10/26    Temp was 32      299

2004   10/30    Temp was 32      303

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                 Sum =          5632 / 19 = 296.42

Average Julian Date =           296.42  or October 23 based on 19 years of data.