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


SKAGWAY AP, a (508528)
Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest
36.5 04/23 05/11 05/16 05/16 05/19 05/20 05/26 06/09 06/11 06/19 07/04
32.5 04/19 04/24 05/01 05/01 05/08 05/10 05/13 05/15 05/19 05/24 06/15
28.5 04/01 04/03 04/09 04/16 04/22 04/23 04/28 05/01 05/04 05/06 05/25
24.5 02/19 03/22 04/03 04/04 04/08 04/11 04/11 04/15 04/20 04/24 05/01
20.5 02/10 02/22 03/04 03/11 03/16 03/19 03/22 03/27 03/31 04/11 04/12
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