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


TRAIL 12 NE, : (358588)
Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest
36.5 05/14 05/25 06/05 06/13 06/21 06/25 06/27 06/29 07/06 07/20 07/28
32.5 04/26 04/28 05/06 05/13 05/14 05/25 05/26 05/28 06/03 06/04 06/04
28.5 04/08 04/14 04/15 04/20 04/22 04/25 04/30 05/03 05/07 05/14 05/17
24.5 02/10 02/28 03/05 03/08 03/14 03/14 03/15 03/18 03/25 05/02 05/06
20.5 **/** **/** **/** 01/15 01/30 02/10 02/12 03/01 03/12 03/15 03/20
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