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


LAKE ARROWHEAD, at (044671)
Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest
36.5 05/04 05/20 05/24 05/27 05/30 06/03 06/07 06/10 06/14 06/20 06/27
32.5 03/24 04/24 05/06 05/09 05/12 05/15 05/20 05/23 05/26 06/03 06/17
28.5 02/14 03/24 04/02 04/05 04/13 04/20 04/25 04/29 05/04 05/11 05/26
24.5 01/05 02/16 02/28 03/04 03/15 03/22 03/26 04/03 04/10 04/19 04/29
20.5 **/** **/** 01/21 02/06 02/16 03/02 03/05 03/16 03/21 04/03 04/22
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