Spring 'Freeze' Probabilities (Jan 1 - Jul 31)


LA GRANDE, OREGON (354615)
Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest
36.5 05/03 05/05 05/10 05/25 05/28 06/01 06/09 06/13 06/19 06/30 07/12
32.5 04/16 04/21 04/22 04/30 05/05 05/13 05/24 05/26 06/09 06/26 06/30
28.5 03/13 03/20 04/01 04/06 04/10 04/16 04/20 04/29 05/01 05/18 05/31
24.5 03/11 03/13 03/14 03/20 03/25 03/30 04/04 04/08 04/24 05/03 05/16
20.5 01/21 01/28 02/25 02/28 03/07 03/13 03/16 03/22 04/02 04/07 04/23
Graphic Output
 Earliest - Earliest date when a minimum temperature below the threshold occurred.
            **/** means there has been a year when the minimum temperature didn't
                  go below the threshold temperature during the Jan. 1 to July 31 
                  period or that there was insufficient data to determine a 
                  date.

xx% - Percent probability that a minimum temperature below the threshold will occur on or after the given date. **/** means non-occurrence of the threshold or insufficient data to determine a threshold.
Latest - Latest date when a minimum temperature below the threshold occurred. **/** means there has never been a year when the minimum temperature went below the threshold temperature during the Jan. 1 to July 31 period or insufficient data to determine a date. 07/30 means the minimum temperature can go below the threshold temperature any day during the Jan. 1 to July 31 period.

Western Regional Climate Center, wrcc@dri.edu