Fall 'Freeze' Probabilities (Jul. 31 - Dec. 31)


DENIO stat, (262229)
Temp F Earliest 10% 20% 30% 40% 50% 60% 70% 80% 90% Latest
36.5 08/03 08/11 08/17 08/25 08/29 09/03 09/06 09/07 09/11 09/15 09/21
32.5 08/03 08/29 09/06 09/08 09/10 09/12 09/13 09/20 09/22 10/03 10/10
28.5 08/23 09/12 09/17 09/19 09/21 09/26 10/02 10/04 10/08 10/15 10/24
24.5 09/14 09/19 09/27 10/01 10/05 10/07 10/14 10/15 10/18 10/27 11/09
20.5 09/24 10/05 10/09 10/13 10/16 10/23 10/27 10/30 11/01 11/11 11/18
Graphic Output
 Earliest - Earliest 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 July 31 to 
                  Dec. 31 period or insufficient data to determine a date.
            07/31 means the minimum temperature can go below the threshold 
                  temperature any day during the July 31 to Dec. 31 period.
xx% - Percent probability that a minimum temperature below the threshold will occur on or before 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 been a year when the minimum temperature didn't go below the threshold temperature during the July 31 to Dec. 31 period or insufficient data to determine a date.

Western Regional Climate Center, wrcc@dri.edu