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


VAIL, COLORADO (058575)
Temp F Earliest 10% 20% 30% 40% 50% 60% 70% 80% 90% Latest
36.5 08/01 08/02 08/04 08/06 08/07 08/10 08/12 08/19 09/02 09/03 09/05
32.5 08/21 08/27 09/03 09/06 09/08 09/10 09/12 09/15 09/17 09/22 09/24
28.5 08/28 09/02 09/06 09/13 09/16 09/20 09/22 09/22 09/23 09/28 10/05
24.5 09/09 09/14 09/14 09/15 09/22 09/23 09/25 09/27 10/03 10/07 10/12
20.5 09/22 09/27 10/01 10/06 10/07 10/12 10/13 10/14 10/19 10/23 10/25
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