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


JOHN DAY s, r (354291)
Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest
36.5 05/07 05/20 05/27 05/31 06/03 06/07 06/14 06/18 06/29 07/05 07/28
32.5 04/20 05/05 05/10 05/13 05/16 05/19 05/23 05/28 06/04 06/13 06/27
28.5 03/30 04/19 04/23 04/27 05/02 05/03 05/05 05/12 05/16 05/21 06/27
24.5 03/02 03/26 04/04 04/11 04/15 04/19 04/21 04/24 04/28 05/04 05/25
20.5 02/05 02/23 03/03 03/14 03/16 03/25 03/28 04/03 04/12 04/21 05/06
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