2017-11-29_PERMIT FILE - C1981010 (2)

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Table 2.1-2a The probabilities for freezing temperatures (32'F or less) for Craig, Colorado, including the probabilities for late freezes in the spring (month/day), for early freezes in the fall (month/day), and for the freeze free period (days) between CRAIG 45W records 5/1/1977 to 6/10/2016 Probablity of Freeze Occuring Later Date in Spring (Month/Day) than Indicated Temp F Earliest 90% 80% 70% 60% 50% 40% 30% 20% 10% Latest 36.5 5/27 5/30 6/1 6/2 6/6 6/10 6/14 6/16 6/21 6/27 7/13 32.5 4/25 5/13 5/26 5/27 5/31 5/31 6/1 6/8 6/11 6/22 6/25 28.5 4/18 4/24 5/3 5/4 5/7 5/10 5/12 5/14 5/23 5/30 6/25 24.5 3/31 4/7 4/18 4/20 4/23 4/30 5/2 5/3 5/5 5/9 6/25 20.5 3/21 3/27 4/1 4/7 4/10 4/13 4/14 4/18 4/25 5/2 5/8 Probabilty of Freeze Occuring Earlier Date in Fall (Month/Day) than Indicated Temp F Earliest 10% 20% 30% 40% 50% 60% 70% 80% 90% Latest 36.5 8/15 8/31 9/2 9/7 9/12 9/14 9/15 9/17 9/19 9/20 9/22 32.5 8/18 9/1 9/13 9/13 9/15 9/17 9/20 9/23 9/29 10/7 10/8 28.5 9/13 9/14 9/16 9/21 9/23 10/1 10/5 10/8 10/11 10/14 10/21 24.5 9/13 9/20 9/25 10/3 10/8 10/12 10/13 10/17 10/22 10/27 11/1 20.5 9/20 9/29 10/8 10/11 10/14 10/20 10/22 10/25 10/28 11/1 11/15 Probabilty of Longer than Indicated Freeze Free Period (Days) Temp F Shortest 90% 80% 70% 60% 50% 40% 30% 20% 10% Longest 36.5 67 76 80 84 89 93 95 102 108 110 118 32.5 82 94 104 105 108 112 117 122 125 128 134 28.5 125 127 132 137 141 143 145 152 155 163 172 24.5 148 153 157 157 162 169 176 180 186 189 192 20.5 155 169 174 181 182 190 195 199 201 218 227 2-7a Revision: 0-07 Approved: