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


KOOSKIA st, (105011)
Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest
36.5 04/17 05/06 05/14 05/19 05/23 05/26 05/28 06/03 06/08 06/23 07/28
32.5 04/02 04/21 04/26 04/30 05/05 05/08 05/12 05/17 05/23 05/28 06/26
28.5 03/21 03/29 04/03 04/07 04/10 04/15 04/19 04/21 04/29 05/07 06/26
24.5 01/12 03/07 03/14 03/21 03/25 03/28 04/02 04/04 04/09 04/20 05/12
20.5 01/03 01/31 02/16 02/22 02/26 03/07 03/12 03/15 03/23 03/30 04/20
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