Length of 'Freeze Free' Season Probabilities
GRAND CANYON NTL PRK, (023595)
| Temp F |
Shortest |
90% |
80% |
70% |
60% |
50% |
40% |
30% |
20% |
10% |
Longest |
| 36.5
| 57
| 77
| 83
| 92
| 104
| 109
| 109
| 115
| 118
| 124
| 144
|
| 32.5
| 80
| 106
| 112
| 119
| 121
| 128
| 133
| 140
| 142
| 149
| 154
|
| 28.5
| 132
| 133
| 149
| 154
| 157
| 160
| 160
| 163
| 166
| 176
| 180
|
| 24.5
| 159
| 160
| 165
| 175
| 179
| 184
| 188
| 191
| 201
| 207
| 230
|
| 20.5
| 180
| 180
| 185
| 192
| 203
| 205
| 208
| 218
| 233
| 251
| 270
|
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