Yuma Valley, Arizona Cotton Heat Stress for 2008 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 --- ------ --------- 153 Jun 1 75.7 ns 154 Jun 2 76.5 ns 155 Jun 3 73.9 ns 156 Jun 4 70.4 ns 157 Jun 5 69.7 ns 158 Jun 6 70.3 ns 159 Jun 7 73.7 ns 160 Jun 8 74.7 ns 161 Jun 9 75.1 ns 162 Jun 10 76.1 ns 163 Jun 11 74.4 ns 164 Jun 12 75.7 ns 165 Jun 13 76.3 ns 166 Jun 14 78.5 ns 167 Jun 15 80.5 ns 168 Jun 16 82.2 ns 169 Jun 17 82.9 L1 170 Jun 18 81.4 ns 171 Jun 19 80.3 ns 172 Jun 20 80.4 ns 173 Jun 21 81.4 ns 174 Jun 22 84.2 L1 175 Jun 23 81.5 ns 176 Jun 24 80.0 ns 177 Jun 25 80.4 ns 178 Jun 26 79.1 ns 179 Jun 27 78.1 ns 180 Jun 28 80.0 ns 181 Jun 29 82.4 ns 182 Jun 30 86.0 L1 183 Jul 1 84.4 L1 184 Jul 2 84.9 L1 185 Jul 3 84.9 L1 186 Jul 4 85.1 L1 187 Jul 5 84.6 L1 188 Jul 6 84.7 L1 189 Jul 7 86.1 L2 190 Jul 8 86.4 L2 191 Jul 9 86.7 L2 192 Jul 10 84.5 L1 193 Jul 11 82.8 L1 194 Jul 12 84.1 L1 195 Jul 13 84.6 L1 196 Jul 14 85.1 L1 197 Jul 15 84.8 L1 198 Jul 16 86.0 L1 199 Jul 17 86.4 L2 200 Jul 18 84.4 L1 201 Jul 19 85.2 L1 202 Jul 20 84.5 L1 203 Jul 21 82.7 L1 204 Jul 22 83.3 L1 205 Jul 23 80.9 ns 206 Jul 24 84.0 L1 207 Jul 25 86.1 L2 208 Jul 26 85.4 L1 209 Jul 27 82.5 L1 210 Jul 28 81.9 ns 211 Jul 29 81.9 ns 212 Jul 30 82.5 L1 213 Jul 31 84.3 L1 214 Aug 1 85.4 L1 215 Aug 2 86.8 L2 216 Aug 3 86.9 L2 217 Aug 4 86.4 L2 218 Aug 5 86.4 L2 219 Aug 6 87.9 L2 220 Aug 7 86.6 L2 221 Aug 8 86.3 L2 222 Aug 9 86.7 L2 223 Aug 10 85.9 L1 224 Aug 11 83.4 L1 225 Aug 12 85.1 L1 226 Aug 13 86.8 L2 227 Aug 14 84.9 L1 228 Aug 15 85.7 L1 229 Aug 16 85.9 L1 230 Aug 17 85.7 L1 231 Aug 18 86.0 L1 232 Aug 19 83.2 L1 233 Aug 20 81.6 ns 234 Aug 21 81.8 ns 235 Aug 22 83.1 L1 236 Aug 23 83.8 L1 237 Aug 24 85.6 L1 238 Aug 25 85.6 L1 239 Aug 26 82.4 L1 240 Aug 27 86.8 L2 241 Aug 28 86.0 L1 242 Aug 29 83.6 L1 243 Aug 30 81.0 ns 244 Aug 31 82.8 L1 245 Sep 1 85.2 L1 246 Sep 2 84.4 L1 247 Sep 3 84.9 L1 248 Sep 4 84.8 L1 249 Sep 5 84.6 L1 250 Sep 6 86.0 L1 251 Sep 7 84.9 L1