Desert Ridge, Arizona Cotton Heat Stress for 2023 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 70.3 ns 122 May 2 66.0 ns 123 May 3 66.6 ns 124 May 4 61.4 ns 125 May 5 60.2 ns 126 May 6 62.4 ns 127 May 7 63.9 ns 128 May 8 66.1 ns 129 May 9 68.0 ns 130 May 10 62.2 ns 131 May 11 64.4 ns 132 May 12 68.9 ns 133 May 13 71.4 ns 134 May 14 76.6 ns 135 May 15 77.9 ns 136 May 16 78.2 ns 137 May 17 76.6 ns 138 May 18 74.2 ns 139 May 19 71.9 ns 140 May 20 72.8 ns 141 May 21 75.5 ns 142 May 22 75.3 ns 143 May 23 74.9 ns 144 May 24 72.7 ns 145 May 25 72.2 ns 146 May 26 70.7 ns 147 May 27 69.7 ns 148 May 28 71.3 ns 149 May 29 71.7 ns 150 May 30 71.5 ns 151 May 31 68.3 ns 152 Jun 1 67.9 ns 153 Jun 2 70.9 ns 154 Jun 3 73.3 ns 155 Jun 4 74.5 ns 156 Jun 5 74.7 ns 157 Jun 6 71.4 ns 158 Jun 7 69.3 ns 159 Jun 8 69.6 ns 160 Jun 9 69.5 ns 161 Jun 10 72.1 ns 162 Jun 11 70.2 ns 163 Jun 12 70.1 ns 164 Jun 13 71.0 ns 165 Jun 14 72.8 ns 166 Jun 15 73.6 ns 167 Jun 16 74.3 ns 168 Jun 17 75.3 ns 169 Jun 18 76.4 ns 170 Jun 19 75.9 ns 171 Jun 20 76.8 ns 172 Jun 21 76.3 ns 173 Jun 22 74.9 ns 174 Jun 23 71.3 ns 175 Jun 24 71.8 ns 176 Jun 25 76.0 ns 177 Jun 26 78.2 ns 178 Jun 27 77.0 ns 179 Jun 28 77.1 ns 180 Jun 29 75.6 ns 181 Jun 30 77.4 ns 182 Jul 1 79.9 ns 183 Jul 2 81.9 ns 184 Jul 3 83.6 L1 185 Jul 4 82.1 ns 186 Jul 5 80.4 ns 187 Jul 6 82.3 ns 188 Jul 7 80.9 ns 189 Jul 8 80.8 ns 190 Jul 9 81.1 ns 191 Jul 10 82.6 L1 192 Jul 11 86.6 L2 193 Jul 12 86.4 L2 194 Jul 13 87.5 L2 195 Jul 14 87.4 L2 196 Jul 15 87.2 L2 197 Jul 16 89.1 L2 198 Jul 17 88.1 L2 199 Jul 18 87.8 L2 200 Jul 19 86.8 L2 201 Jul 20 85.7 L1 202 Jul 21 85.4 L1 203 Jul 22 87.9 L2 204 Jul 23 86.9 L2 205 Jul 24 86.6 L2 206 Jul 25 87.0 L2 207 Jul 26 87.4 L2 208 Jul 27 87.5 L2 209 Jul 28 87.2 L2 210 Jul 29 87.8 L2 211 Jul 30 86.9 L2 212 Jul 31 83.5 L1 213 Aug 1 83.6 L1 214 Aug 2 83.9 L1 215 Aug 3 82.8 L1 216 Aug 4 82.1 ns 217 Aug 5 81.4 ns 218 Aug 6 83.6 L1 219 Aug 7 87.6 L2 220 Aug 8 85.0 L1 221 Aug 9 85.2 L1 222 Aug 10 85.4 L1 223 Aug 11 83.5 L1 224 Aug 12 82.6 L1 225 Aug 13 81.6 ns 226 Aug 14 80.9 ns 227 Aug 15 86.2 L2 228 Aug 16 86.0 L1 229 Aug 17 86.5 L2 230 Aug 18 84.5 L1 231 Aug 19 79.1 ns 232 Aug 20 80.5 ns 233 Aug 21 77.5 ns 234 Aug 22 80.7 ns 235 Aug 23 84.2 L1 236 Aug 24 84.1 L1 237 Aug 25 85.7 L1 238 Aug 26 86.7 L2 239 Aug 27 86.0 L1 240 Aug 28 87.5 L2 241 Aug 29 86.3 L2 242 Aug 30 85.0 L1 243 Aug 31 83.9 L1 244 Sep 1 76.2 ns 245 Sep 2 79.7 ns 246 Sep 3 79.5 ns 247 Sep 4 78.8 ns 248 Sep 5 75.8 ns 249 Sep 6 76.9 ns 250 Sep 7 77.8 ns 251 Sep 8 80.8 ns 252 Sep 9 83.4 L1 253 Sep 10 84.1 L1 254 Sep 11 81.4 ns 255 Sep 12 78.8 ns 256 Sep 13 75.7 ns 257 Sep 14 ### ## 258 Sep 15 81.0 ns 259 Sep 16 77.9 ns 260 Sep 17 77.0 ns 261 Sep 18 74.4 ns 262 Sep 19 72.3 ns 263 Sep 20 72.5 ns 264 Sep 21 71.1 ns 265 Sep 22 73.0 ns 266 Sep 23 72.3 ns 267 Sep 24 74.0 ns 268 Sep 25 75.1 ns 269 Sep 26 76.0 ns 270 Sep 27 75.1 ns 271 Sep 28 74.5 ns 272 Sep 29 72.6 ns 273 Sep 30 72.4 ns 274 Oct 1 68.0 ns 275 Oct 2 65.1 ns 276 Oct 3 65.6 ns 277 Oct 4 68.5 ns 278 Oct 5 72.5 ns 279 Oct 6 75.2 ns 280 Oct 7 79.5 ns 281 Oct 8 77.1 ns 282 Oct 9 75.8 ns 283 Oct 10 72.6 ns 284 Oct 11 70.1 ns 285 Oct 12 65.1 ns 286 Oct 13 64.9 ns 287 Oct 14 67.4 ns 288 Oct 15 71.8 ns 289 Oct 16 75.8 ns 290 Oct 17 73.8 ns 291 Oct 18 72.4 ns 292 Oct 19 73.6 ns 293 Oct 20 74.2 ns 294 Oct 21 72.4 ns 295 Oct 22 70.8 ns 296 Oct 23 67.5 ns 297 Oct 24 66.5 ns 298 Oct 25 63.4 ns 299 Oct 26 64.5 ns 300 Oct 27 65.2 ns 301 Oct 28 63.1 ns 302 Oct 29 56.3 ns 303 Oct 30 56.7 ns 304 Oct 31 57.9 ns 305 Nov 1 60.5 ns 306 Nov 2 61.8 ns 307 Nov 3 60.4 ns 308 Nov 4 61.2 ns 309 Nov 5 65.1 ns 310 Nov 6 64.8 ns 311 Nov 7 63.9 ns 312 Nov 8 57.3 ns 313 Nov 9 57.6 ns 314 Nov 10 53.9 ns 315 Nov 11 57.9 ns 316 Nov 12 61.1 ns 317 Nov 13 65.6 ns 318 Nov 14 67.1 ns 319 Nov 15 67.4 ns 320 Nov 16 63.7 ns 321 Nov 17 62.5 ns 322 Nov 18 62.3 ns 323 Nov 19 57.2 ns 324 Nov 20 54.9 ns 325 Nov 21 57.7 ns 326 Nov 22 54.7 ns 327 Nov 23 52.8 ns 328 Nov 24 53.1 ns 329 Nov 25 49.8 ns 330 Nov 26 51.1 ns 331 Nov 27 56.2 ns 332 Nov 28 57.9 ns 333 Nov 29 53.5 ns 334 Nov 30 49.3 ns 335 Dec 1 49.3 ns 336 Dec 2 47.2 ns 337 Dec 3 48.2 ns 338 Dec 4 49.6 ns 339 Dec 5 57.2 ns 340 Dec 6 58.7 ns 341 Dec 7 53.3 ns 342 Dec 8 49.6 ns 343 Dec 9 48.0 ns