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


NAMPA 2 NW, i (106300)
Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest
36.5 04/25 04/27 05/07 05/14 05/15 05/25 05/28 05/30 06/02 06/13 06/13
32.5 04/12 04/19 04/22 04/26 04/27 04/28 05/03 05/07 05/12 05/31 06/13
28.5 03/27 03/30 04/07 04/10 04/12 04/14 04/17 04/23 04/30 05/02 05/03
24.5 03/18 03/22 03/27 03/30 04/05 04/07 04/09 04/11 04/15 04/26 05/02
20.5 02/14 02/16 02/23 03/04 03/15 03/20 03/23 03/31 04/04 04/07 04/10
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