Post (Garza County)    1962-2004

November 10 - Average first freeze date, based on 43 years of data.

October 12, 1977 - The earliest freeze recorded.

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

Year  mm/day     Temp           Julian Date

1962   11/17    Temp was 32      321

1963   11/25    Temp was 32      329

1964   11/20    Temp was 32      325

1965   12/03    Temp was 31      337

1966   11/02    Temp was 24      306

1967   11/03    Temp was 32      307

1968   11/09    Temp was 31      314

1969   10/13    Temp was 32      286

1970   10/28    Temp was 31      301

1971   11/19    Temp was 27      323

1972   11/01    Temp was 31      306

1973   11/17    Temp was 31      321

1974   11/14    Temp was 30      318

1975   11/12    Temp was 32      316

1976   10/17    Temp was 29      291

1977   10/12    Temp was 32      285*estimated  *** earliest freeze

 * Missing key days in 1977, so not included.  Based on

   surrounding stations, it was most likely was Oct 12

1978   11/15    Temp was 31      319

1979   11/01    Temp was 29      305

1980   10/29    Temp was 25      303

1981   10/24    Temp was 32      297

1982   11/05    Temp was 30      309

1983   11/24    Temp was 30      328

1984   11/19    Temp was 32      324

1985   11/15    Temp was 32      319

1986   11/11    Temp was 24      315

1987   11/10    Temp was 26      314

1988   11/16    Temp was 28      321

1989   10/19    Temp was 29      292

1990   11/05    Temp was 32      309

1991   10/29    Temp was 29      302   * Missing much of October 1991

1992   11/05    Temp was 29      310

1993   10/30    Temp was 23      303

1994   11/16    Temp was 31      320

1995   11/11    Temp was 28      315

1996   11/17    Temp was 32      322

1997   10/27    Temp was 30      300

1998   12/08    Temp was 31      342

1999   11/24    Temp was 32      328

2000   11/07    Temp was 32      312

2001   11/27    Temp was 31      331

2002   11/25    Temp was 30      329

2003   11/24    Temp was 21      328

2004   11/12    Temp was 32      316

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                 Sum =         13499 / 43 = 313.93

Average Julian Date =           313.93 or Nov 10 based on 43 years of data.