Big Spring (Howard County) 1948-2004

November 13  - Average first freeze date, based on 52 years of data.

October 19, 1989 - The earliest first freeze recorded.

Data below are the dates of first freeze for each year.
Year  mm/day     Temp           Julian Date
1948   11/09    Temp was 27      314
1949   10/31    Temp was 30      304

1950   11/03    Temp was 32      307
1951   11/01    Temp was 30      305
1952   11/10    Temp was 32      315 
1953   12/06    Temp was 30      340 * missing Nov 15-30

1954   12/09    Temp was 29      343
1955   10/25    Temp was 32      298
1956   11/09    Temp was 32      314
1957   10/26    Temp was 31      299
1958   11/19    Temp was 30      323
1959   11/06    Temp was 23      310

1960   11/10    Temp was 26      315
1961   11/15    Temp was 32      319
1962   11/18    Temp was 32      322

 * missing Sep 1963- Apr 1964
1964   11/20    Temp was 30      325
1965   11/29    Temp was 30      333
1966   11/02    Temp was 27      306
1967   12/03    Temp was 24      337
1968   11/08    Temp was 32      313
1969   11/19    Temp was 25      323

1970   11/03    Temp was 30      307
1971   11/19    Temp was 31      323
1972   11/10    Temp was 32      315
1973   11/17    Temp was 31      321
MISSING MONTH    10   in year  1974
1975   11/13    Temp was 30      317
1976   11/12    Temp was 29      317
1977   11/10    Temp was 29      314
1978   11/14    Temp was 32      318
1979   11/03    Temp was 32      307

1980   10/29    Temp was 29      303
1981   11/10    Temp was 30      314
1982   11/13    Temp was 32      317
1983   11/27    Temp was 21      331
1984   11/23    Temp was 32      328
1985   11/20    Temp was 30      324
1986   11/11    Temp was 29      315
1987   11/10    Temp was 31      314
1988   11/20    Temp was 28      325
1989   10/19    Temp was 32      292 *** earliest

1990   11/08    Temp was 32      312
1991   10/31    Temp was 27      304
MISSING MONTH    11   in year  1992
1993   10/30    Temp was 28      303
1994   11/28    Temp was 29      332
1995   11/03    Temp was 31      307
1996   11/24    Temp was 32      329
1997   11/11    Temp was 29      315
1998   12/08    Temp was 28      342
1999   11/25    Temp was 29      329

2000   11/08    Temp was 30      313
 * missing Nov 2001             ****

2002   11/29    Temp was 29      333
2003   11/24    Temp was 23      328
2004   11/30    Temp was 30      334
------------------------------------
                    Sum =      16508 / 52 = 317.46

Average Julian Date =           317.46 or Nov 13 based on 52 years of data.