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


BRYCE CNYN NAT L PRK, (421006)
Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest
36.5 07/01 06/27 07/03 07/01 07/09 07/13 07/16 07/12 07/24 07/21 07/26
32.5 06/20 06/11 06/21 06/19 06/30 07/02 07/05 06/30 07/22 07/08 07/22
28.5 05/26 05/21 05/28 06/02 06/07 06/12 06/17 06/19 06/23 06/27 06/26
24.5 05/21 05/03 05/22 05/19 05/25 05/26 05/29 06/04 06/19 06/13 06/26
20.5 05/03 04/22 05/16 05/04 05/21 05/21 05/21 05/23 05/29 06/03 06/15
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