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


UNION EXP STN, te (358746)
Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest
36.5 05/13 05/24 05/31 06/03 06/08 06/18 06/23 06/28 07/04 07/16 07/30
32.5 04/16 05/05 05/11 05/15 05/19 05/23 05/27 05/29 06/02 06/12 07/14
28.5 03/31 04/15 04/22 04/30 05/02 05/05 05/08 05/12 05/15 05/22 05/30
24.5 03/04 03/19 03/29 04/02 04/07 04/11 04/16 04/20 04/26 05/01 05/28
20.5 01/24 02/17 03/02 03/05 03/11 03/15 03/23 03/28 04/05 04/15 05/01
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