Phx.Greenway, Arizona Cotton Heat Stress for 2025 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 69.2 ns 122 May 2 70.1 ns 123 May 3 71.8 ns 124 May 4 64.6 ns 125 May 5 58.8 ns 126 May 6 61.6 ns 127 May 7 66.4 ns 128 May 8 71.1 ns 129 May 9 76.0 ns 130 May 10 78.5 ns 131 May 11 77.9 ns 132 May 12 77.7 ns 133 May 13 70.5 ns 134 May 14 64.5 ns 135 May 15 66.6 ns 136 May 16 69.6 ns 137 May 17 70.9 ns 138 May 18 67.6 ns 139 May 19 70.2 ns 140 May 20 73.6 ns 141 May 21 74.0 ns 142 May 22 76.3 ns 143 May 23 76.5 ns 144 May 24 75.2 ns 145 May 25 73.7 ns 146 May 26 74.4 ns 147 May 27 74.5 ns 148 May 28 74.5 ns 149 May 29 74.7 ns 150 May 30 75.7 ns 151 May 31 79.6 ns 152 Jun 1 74.1 ns 153 Jun 2 72.2 ns 154 Jun 3 78.9 ns 155 Jun 4 77.9 ns 156 Jun 5 78.5 ns 157 Jun 6 78.9 ns 158 Jun 7 77.9 ns 159 Jun 8 78.1 ns 160 Jun 9 80.5 ns 161 Jun 10 81.3 ns 162 Jun 11 82.4 L1 163 Jun 12 81.5 ns 164 Jun 13 80.5 ns 165 Jun 14 80.5 ns 166 Jun 15 81.5 ns 167 Jun 16 83.0 L1 168 Jun 17 82.5 L1 169 Jun 18 81.8 ns 170 Jun 19 82.8 L1 171 Jun 20 82.3 ns 172 Jun 21 80.9 ns 173 Jun 22 77.3 ns 174 Jun 23 78.3 ns 175 Jun 24 78.4 ns 176 Jun 25 76.8 ns 177 Jun 26 78.1 ns 178 Jun 27 80.5 ns 179 Jun 28 83.3 L1 180 Jun 29 85.0 L1 181 Jun 30 87.1 L2 182 Jul 1 87.7 L2 183 Jul 2 84.5 L1 184 Jul 3 82.0 ns 185 Jul 4 83.5 L1 186 Jul 5 85.1 L1 187 Jul 6 84.8 L1 188 Jul 7 86.9 L2 189 Jul 8 88.1 L2 190 Jul 9 88.2 L2 191 Jul 10 87.5 L2 192 Jul 11 87.8 L2 193 Jul 12 86.1 L2 194 Jul 13 85.3 L1 195 Jul 14 85.8 L1 196 Jul 15 86.0 L1 197 Jul 16 81.8 ns 198 Jul 17 83.2 L1 199 Jul 18 85.5 L1 200 Jul 19 85.0 L1 201 Jul 20 80.7 ns 202 Jul 21 82.0 ns 203 Jul 22 83.2 L1 204 Jul 23 81.3 ns 205 Jul 24 79.3 ns 206 Jul 25 79.2 ns 207 Jul 26 79.4 ns 208 Jul 27 81.1 ns 209 Jul 28 82.9 L1 210 Jul 29 84.4 L1 211 Jul 30 84.5 L1 212 Jul 31 86.2 L2 213 Aug 1 87.8 L2 214 Aug 2 85.1 L1 215 Aug 3 82.9 L1 216 Aug 4 85.0 L1 217 Aug 5 86.7 L2 218 Aug 6 87.5 L2 219 Aug 7 88.0 L2 220 Aug 8 87.3 L2 221 Aug 9 88.9 L2 222 Aug 10 88.5 L2 223 Aug 11 88.7 L2 224 Aug 12 87.8 L2 225 Aug 13 86.8 L2 226 Aug 14 85.3 L1 227 Aug 15 81.7 ns 228 Aug 16 83.4 L1 229 Aug 17 81.1 ns 230 Aug 18 82.1 ns 231 Aug 19 83.4 L1 232 Aug 20 86.9 L2 233 Aug 21 89.4 L2 234 Aug 22 89.3 L2 235 Aug 23 89.1 L2 236 Aug 24 88.7 L2 237 Aug 25 83.1 L1 238 Aug 26 80.0 ns 239 Aug 27 81.8 ns 240 Aug 28 84.6 L1 241 Aug 29 83.9 L1 242 Aug 30 82.5 L1 243 Aug 31 83.8 L1 244 Sep 1 84.5 L1 245 Sep 2 84.9 L1 246 Sep 3 82.7 L1 247 Sep 4 77.7 ns 248 Sep 5 81.0 ns 249 Sep 6 83.0 L1 250 Sep 7 84.9 L1 251 Sep 8 84.8 L1 252 Sep 9 84.4 L1 253 Sep 10 83.3 L1 254 Sep 11 82.0 ns 255 Sep 12 79.1 ns 256 Sep 13 75.0 ns 257 Sep 14 75.0 ns 258 Sep 15 77.7 ns 259 Sep 16 81.6 ns 260 Sep 17 83.5 L1 261 Sep 18 82.4 L1 262 Sep 19 78.2 ns 263 Sep 20 80.6 ns 264 Sep 21 81.0 ns 265 Sep 22 78.0 ns 266 Sep 23 80.0 ns 267 Sep 24 81.8 ns 268 Sep 25 83.0 L1 269 Sep 26 73.1 ns 270 Sep 27 69.4 ns 271 Sep 28 72.5 ns 272 Sep 29 73.8 ns 273 Sep 30 75.1 ns 274 Oct 1 75.6 ns 275 Oct 2 76.3 ns 276 Oct 3 76.8 ns 277 Oct 4 69.0 ns 278 Oct 5 66.1 ns 279 Oct 6 67.9 ns 280 Oct 7 70.3 ns 281 Oct 8 74.1 ns 282 Oct 9 76.0 ns 283 Oct 10 75.0 ns 284 Oct 11 71.4 ns 285 Oct 12 71.8 ns 286 Oct 13 72.4 ns 287 Oct 14 68.5 ns 288 Oct 15 64.5 ns 289 Oct 16 62.2 ns 290 Oct 17 62.2 ns 291 Oct 18 63.7 ns 292 Oct 19 66.1 ns 293 Oct 20 65.9 ns 294 Oct 21 66.8 ns 295 Oct 22 70.2 ns 296 Oct 23 64.3 ns 297 Oct 24 64.4 ns 298 Oct 25 65.4 ns 299 Oct 26 65.4 ns 300 Oct 27 65.3 ns 301 Oct 28 67.3 ns 302 Oct 29 66.9 ns 303 Oct 30 64.9 ns 304 Oct 31 64.0 ns 305 Nov 1 63.4 ns 306 Nov 2 64.2 ns 307 Nov 3 63.9 ns 308 Nov 4 63.7 ns 309 Nov 5 63.1 ns 310 Nov 6 62.4 ns 311 Nov 7 61.8 ns 312 Nov 8 62.1 ns 313 Nov 9 64.8 ns 314 Nov 10 63.6 ns 315 Nov 11 62.2 ns 316 Nov 12 62.9 ns 317 Nov 13 63.0 ns 318 Nov 14 62.3 ns 319 Nov 15 62.9 ns 320 Nov 16 61.0 ns 321 Nov 17 57.2 ns 322 Nov 18 58.3 ns 323 Nov 19 54.1 ns 324 Nov 20 52.1 ns 325 Nov 21 53.0 ns 326 Nov 22 55.7 ns 327 Nov 23 54.1 ns 328 Nov 24 52.9 ns 329 Nov 25 54.2 ns 330 Nov 26 55.3 ns 331 Nov 27 56.3 ns 332 Nov 28 55.5 ns 333 Nov 29 53.8 ns 334 Nov 30 53.1 ns 335 Dec 1 52.7 ns 336 Dec 2 49.4 ns 337 Dec 3 47.7 ns 338 Dec 4 46.9 ns 339 Dec 5 45.7 ns 340 Dec 6 47.0 ns 341 Dec 7 49.6 ns 342 Dec 8 50.8 ns 343 Dec 9 51.9 ns