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


VAN state:, (358837)
Temp F Earliest 10% 20% 30% 40% 50% 60% 70% 80% 90% Latest
36.5 08/13 08/16 08/15 09/14 08/18 08/19 08/21 09/29 08/24 10/12 08/24
32.5 08/23 09/17 08/25 10/03 08/27 08/27 08/31 10/19 09/06 10/27 09/09
28.5 09/07 10/18 09/13 11/03 09/20 09/22 09/26 11/26 09/29 12/12 09/29
24.5 09/21 11/05 09/22 11/18 09/27 10/01 10/03 12/14 10/09 **/** 10/13
20.5 10/13 11/14 10/17 12/16 10/29 11/05 11/08 **/** 11/12 **/** 11/14
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