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


TILLAMOOK 13 ENE, st (358505)
Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest
36.5 05/04 05/04 12/65 05/21 05/11 05/14 05/17 06/17 05/23 07/03 05/25
32.5 03/18 04/14 12/65 04/25 04/11 04/18 04/20 05/13 04/30 05/25 05/09
28.5 01/14 02/28 12/65 03/28 03/15 03/18 03/26 04/13 04/05 04/30 04/08
24.5 **/** **/** 12/65 01/18 **/** **/** **/** 02/25 **/** 03/14 01/14
20.5 **/** **/** 12/65 **/** **/** **/** **/** 01/11 **/** 02/05 **/**
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