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


HARNEY BRANCH EXPERI, (353659)
Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest
36.5 06/19 06/28 07/01 07/06 07/10 07/16 07/20 07/22 07/28 07/29 07/30
32.5 05/22 06/10 06/19 06/20 06/22 06/24 06/25 06/30 07/03 07/09 07/23
28.5 05/17 05/18 05/28 06/03 06/05 06/12 06/16 06/20 06/26 06/30 07/02
24.5 04/22 04/26 05/04 05/08 05/11 05/13 05/21 05/24 05/31 06/05 07/01
20.5 03/12 04/03 04/15 04/17 04/21 04/27 05/06 05/08 05/11 05/23 05/28
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