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


WALLOWA st, (358997)
Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest
36.5 06/01 06/17 06/23 06/30 07/07 07/12 07/17 07/22 07/27 07/29 07/30
32.5 04/27 05/20 05/29 06/04 06/08 06/14 06/21 06/25 06/30 07/14 07/30
28.5 04/17 04/28 05/06 05/13 05/15 05/19 05/22 05/27 05/31 06/08 07/27
24.5 03/10 04/08 04/16 04/21 04/26 05/01 05/04 05/06 05/10 05/15 07/27
20.5 02/18 03/12 03/21 03/25 03/30 04/07 04/11 04/15 04/23 04/30 07/27
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