Phx.Greenway, 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 72.8 ns 122 May 2 68.5 ns 123 May 3 68.7 ns 124 May 4 63.4 ns 125 May 5 62.2 ns 126 May 6 64.6 ns 127 May 7 66.4 ns 128 May 8 68.7 ns 129 May 9 69.9 ns 130 May 10 63.7 ns 131 May 11 66.7 ns 132 May 12 70.6 ns 133 May 13 73.3 ns 134 May 14 76.1 ns 135 May 15 79.4 ns 136 May 16 79.9 ns 137 May 17 78.8 ns 138 May 18 76.3 ns 139 May 19 73.5 ns 140 May 20 75.2 ns 141 May 21 77.0 ns 142 May 22 77.3 ns 143 May 23 76.7 ns 144 May 24 75.1 ns 145 May 25 74.3 ns 146 May 26 73.1 ns 147 May 27 72.1 ns 148 May 28 73.7 ns 149 May 29 74.0 ns 150 May 30 73.6 ns 151 May 31 70.6 ns 152 Jun 1 70.6 ns 153 Jun 2 72.8 ns 154 Jun 3 75.6 ns 155 Jun 4 76.7 ns 156 Jun 5 77.5 ns 157 Jun 6 73.9 ns 158 Jun 7 72.1 ns 159 Jun 8 72.0 ns 160 Jun 9 72.2 ns 161 Jun 10 74.0 ns 162 Jun 11 72.5 ns 163 Jun 12 72.0 ns 164 Jun 13 73.2 ns 165 Jun 14 75.1 ns 166 Jun 15 76.6 ns 167 Jun 16 77.1 ns 168 Jun 17 77.5 ns 169 Jun 18 79.0 ns 170 Jun 19 78.5 ns 171 Jun 20 78.9 ns 172 Jun 21 78.9 ns 173 Jun 22 77.1 ns 174 Jun 23 74.4 ns 175 Jun 24 74.0 ns 176 Jun 25 78.5 ns 177 Jun 26 79.8 ns 178 Jun 27 79.2 ns 179 Jun 28 79.4 ns 180 Jun 29 78.4 ns 181 Jun 30 79.7 ns 182 Jul 1 82.8 L1 183 Jul 2 83.9 L1 184 Jul 3 85.5 L1 185 Jul 4 85.4 L1 186 Jul 5 82.7 L1 187 Jul 6 84.2 L1 188 Jul 7 83.9 L1 189 Jul 8 83.6 L1 190 Jul 9 83.8 L1 191 Jul 10 86.6 L2 192 Jul 11 88.5 L2 193 Jul 12 88.4 L2 194 Jul 13 89.6 L2 195 Jul 14 89.9 L2 196 Jul 15 90.1 L2 197 Jul 16 90.8 L2 198 Jul 17 90.5 L2 199 Jul 18 90.1 L2 200 Jul 19 89.5 L2 201 Jul 20 89.4 L2 202 Jul 21 87.6 L2 203 Jul 22 90.2 L2 204 Jul 23 88.5 L2 205 Jul 24 89.2 L2 206 Jul 25 90.2 L2 207 Jul 26 90.1 L2 208 Jul 27 88.1 L2 209 Jul 28 90.1 L2 210 Jul 29 90.1 L2 211 Jul 30 89.5 L2 212 Jul 31 85.1 L1 213 Aug 1 85.4 L1 214 Aug 2 87.0 L2 215 Aug 3 85.6 L1 216 Aug 4 83.6 L1 217 Aug 5 84.6 L1 218 Aug 6 85.9 L1 219 Aug 7 89.3 L2 220 Aug 8 87.6 L2 221 Aug 9 87.1 L2 222 Aug 10 87.4 L2 223 Aug 11 85.5 L1 224 Aug 12 84.5 L1 225 Aug 13 84.6 L1 226 Aug 14 83.0 L1 227 Aug 15 87.0 L2 228 Aug 16 86.8 L2 229 Aug 17 88.4 L2 230 Aug 18 85.6 L1 231 Aug 19 81.5 ns 232 Aug 20 81.5 ns 233 Aug 21 78.6 ns 234 Aug 22 81.3 ns 235 Aug 23 85.0 L1 236 Aug 24 85.5 L1 237 Aug 25 87.5 L2 238 Aug 26 88.3 L2 239 Aug 27 88.7 L2 240 Aug 28 89.7 L2 241 Aug 29 89.3 L2 242 Aug 30 87.5 L2 243 Aug 31 86.4 L2 244 Sep 1 77.6 ns 245 Sep 2 80.7 ns 246 Sep 3 81.2 ns 247 Sep 4 81.2 ns 248 Sep 5 78.4 ns 249 Sep 6 79.2 ns 250 Sep 7 79.5 ns 251 Sep 8 82.8 L1 252 Sep 9 85.6 L1 253 Sep 10 84.8 L1 254 Sep 11 83.5 L1 255 Sep 12 81.3 ns 256 Sep 13 78.9 ns 257 Sep 14 79.4 ns 258 Sep 15 78.6 ns 259 Sep 16 78.5 ns 260 Sep 17 78.1 ns 261 Sep 18 76.0 ns 262 Sep 19 74.4 ns 263 Sep 20 74.0 ns 264 Sep 21 74.2 ns 265 Sep 22 75.0 ns 266 Sep 23 74.2 ns 267 Sep 24 75.3 ns 268 Sep 25 76.3 ns 269 Sep 26 76.3 ns 270 Sep 27 75.7 ns 271 Sep 28 76.5 ns 272 Sep 29 74.0 ns 273 Sep 30 74.3 ns 274 Oct 1 69.2 ns 275 Oct 2 67.1 ns 276 Oct 3 67.4 ns 277 Oct 4 69.3 ns 278 Oct 5 72.3 ns 279 Oct 6 75.2 ns 280 Oct 7 78.8 ns 281 Oct 8 78.0 ns 282 Oct 9 76.3 ns 283 Oct 10 74.0 ns 284 Oct 11 72.9 ns 285 Oct 12 67.9 ns 286 Oct 13 66.4 ns 287 Oct 14 68.4 ns 288 Oct 15 71.5 ns 289 Oct 16 75.0 ns 290 Oct 17 74.5 ns 291 Oct 18 73.3 ns 292 Oct 19 73.9 ns 293 Oct 20 73.5 ns 294 Oct 21 72.5 ns 295 Oct 22 71.7 ns 296 Oct 23 68.9 ns 297 Oct 24 68.1 ns 298 Oct 25 65.8 ns 299 Oct 26 67.2 ns 300 Oct 27 66.5 ns 301 Oct 28 65.2 ns 302 Oct 29 58.5 ns 303 Oct 30 59.8 ns 304 Oct 31 57.9 ns 305 Nov 1 59.3 ns 306 Nov 2 60.0 ns 307 Nov 3 60.6 ns 308 Nov 4 60.8 ns 309 Nov 5 63.7 ns 310 Nov 6 65.8 ns 311 Nov 7 65.2 ns 312 Nov 8 59.3 ns 313 Nov 9 57.2 ns 314 Nov 10 55.5 ns 315 Nov 11 57.5 ns 316 Nov 12 59.7 ns 317 Nov 13 62.8 ns 318 Nov 14 65.8 ns 319 Nov 15 66.4 ns 320 Nov 16 64.6 ns 321 Nov 17 64.2 ns 322 Nov 18 62.5 ns 323 Nov 19 58.6 ns 324 Nov 20 56.4 ns 325 Nov 21 58.8 ns 326 Nov 22 55.4 ns 327 Nov 23 52.0 ns 328 Nov 24 55.4 ns 329 Nov 25 51.7 ns 330 Nov 26 51.0 ns 331 Nov 27 55.9 ns 332 Nov 28 56.4 ns 333 Nov 29 54.3 ns 334 Nov 30 50.6 ns 335 Dec 1 50.7 ns 336 Dec 2 48.0 ns 337 Dec 3 48.0 ns 338 Dec 4 49.2 ns 339 Dec 5 55.1 ns 340 Dec 6 57.9 ns 341 Dec 7 54.2 ns 342 Dec 8 50.7 ns 343 Dec 9 49.3 ns