Bonita, Arizona Cotton Heat Stress for 2026 DOY = Day of year ns = No Stress : Stress Value less than 82.4 L1 = Stress Level 1 : Stress Value from 82.4 to 86 L2 = Stress Level 2 : Stress Value greater than 86 DOY Date Stress --- ------ --------- 121 May 1 57.6 ns 122 May 2 59.8 ns 123 May 3 63.1 ns 124 May 4 58.8 ns 125 May 5 55.3 ns 126 May 6 53.2 ns 127 May 7 58.1 ns 128 May 8 61.9 ns 129 May 9 64.6 ns 130 May 10 66.9 ns 131 May 11 68.1 ns 132 May 12 69.6 ns 133 May 13 68.9 ns 134 May 14 65.6 ns 135 May 15 64.2 ns 136 May 16 64.0 ns 137 May 17 63.1 ns 138 May 18 61.6 ns 139 May 19 61.1 ns 140 May 20 60.3 ns 141 May 21 60.9 ns 142 May 22 61.9 ns 143 May 23 63.6 ns 144 May 24 66.4 ns 145 May 25 65.1 ns 146 May 26 61.8 ns 147 May 27 62.6 ns 148 May 28 61.8 ns 149 May 29 61.4 ns 150 May 30 62.1 ns 151 May 31 65.3 ns 152 Jun 1 67.2 ns 153 Jun 2 69.1 ns 154 Jun 3 70.1 ns 155 Jun 4 68.8 ns 156 Jun 5 69.9 ns 157 Jun 6 68.6 ns 158 Jun 7 69.5 ns 159 Jun 8 69.8 ns 160 Jun 9 72.3 ns 161 Jun 10 72.6 ns 162 Jun 11 71.6 ns 163 Jun 12 73.6 ns 164 Jun 13 76.8 ns 165 Jun 14 72.9 ns 166 Jun 15 72.9 ns 167 Jun 16 74.9 ns 168 Jun 17 75.5 ns 169 Jun 18 72.5 ns 170 Jun 19 71.5 ns 171 Jun 20 71.3 ns 172 Jun 21 70.7 ns 173 Jun 22 72.8 ns 174 Jun 23 76.5 ns 175 Jun 24 76.9 ns 176 Jun 25 74.8 ns 177 Jun 26 74.9 ns 178 Jun 27 75.8 ns 179 Jun 28 73.9 ns 180 Jun 29 72.7 ns 181 Jun 30 71.9 ns 182 Jul 1 68.6 ns 183 Jul 2 67.0 ns 184 Jul 3 69.5 ns 185 Jul 4 71.1 ns 186 Jul 5 75.2 ns 187 Jul 6 77.1 ns 188 Jul 7 75.9 ns