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


LOOKOUT POINT DAM, s (355050)
Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest
36.5 03/26 04/09 04/17 04/22 04/25 04/29 05/05 05/09 05/12 05/19 06/04
32.5 01/19 02/05 02/28 03/08 03/16 03/24 03/30 04/07 04/18 04/23 05/19
28.5 **/** **/** 01/15 01/28 01/31 02/06 02/13 02/15 02/26 03/02 04/29
24.5 **/** **/** **/** **/** **/** 01/06 01/14 01/31 02/04 02/17 03/02
20.5 **/** **/** **/** **/** **/** **/** **/** 01/11 02/01 02/08 02/27
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