Length of 'Freeze Free' Season Probabilities


SILVER LAKE BRIGHTON, UTAH (427846)
Temp F Shortest 90% 80% 70% 60% 50% 40% 30% 20% 10% Longest
36.5 1 19 23 27 35 38 41 51 57 69 83
32.5 1 34 41 46 56 63 67 77 84 89 98
28.5 1 59 63 72 85 91 97 102 108 110 139
24.5 50 90 103 111 116 122 125 129 134 156 166
20.5 94 115 123 130 132 136 145 154 159 166 184
Graphic Output
 Shortest - Least number of consecutive days recorded with minimum temperature 
            above threshold.
            *** means minimum temperature below threshold has not occurred.

xx% - Percent probability that a consecutive number of days will occur with the minimum temperature not below the threshold. *** means non-occurrence of the threshold
Longest - Greatest number of consecutive days recorded with minimum temperature above threshold. *** means that at least one year occurred when minimum temperature below threshold was not recorded. Note: All periods include August 1.

Western Regional Climate Center, wrcc@dri.edu