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


TILLAMOOK, OREGON (358494)
Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest
36.5 04/21 05/04 05/15 05/21 05/26 06/03 06/06 06/17 06/28 07/03 07/30
32.5 03/24 04/14 04/20 04/25 05/01 05/06 05/11 05/13 05/18 05/25 06/03
28.5 02/02 02/28 03/18 03/28 04/02 04/04 04/08 04/13 04/19 04/30 05/27
24.5 **/** **/** **/** 01/18 01/30 02/04 02/13 02/25 03/02 03/14 04/14
20.5 **/** **/** **/** **/** **/** **/** **/** 01/11 01/30 02/05 03/01
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