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


ONTARIO KSRV, e: (356294)
Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest
36.5 04/25 05/03 05/09 05/15 05/18 05/25 05/27 06/01 06/06 06/18 07/05
32.5 04/08 04/19 04/21 04/29 05/02 05/07 05/09 05/14 05/22 05/25 06/26
28.5 03/11 04/07 04/09 04/14 04/18 04/21 04/26 04/30 05/02 05/11 05/25
24.5 02/14 03/07 03/22 03/27 03/29 04/03 04/08 04/11 04/15 04/22 04/30
20.5 01/04 02/10 02/23 03/03 03/07 03/13 03/17 03/22 03/28 04/06 04/17
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