Sahuarita, 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 62.2 ns 122 May 2 62.3 ns 123 May 3 63.8 ns 124 May 4 59.4 ns 125 May 5 51.8 ns 126 May 6 54.3 ns 127 May 7 59.6 ns 128 May 8 62.7 ns 129 May 9 67.0 ns 130 May 10 70.7 ns 131 May 11 69.1 ns 132 May 12 72.5 ns 133 May 13 70.2 ns 134 May 14 60.3 ns 135 May 15 58.9 ns 136 May 16 63.6 ns 137 May 17 65.4 ns 138 May 18 65.0 ns 139 May 19 61.9 ns 140 May 20 64.1 ns 141 May 21 67.6 ns 142 May 22 69.4 ns 143 May 23 67.9 ns 144 May 24 66.9 ns 145 May 25 65.8 ns 146 May 26 65.2 ns 147 May 27 64.4 ns 148 May 28 68.2 ns 149 May 29 67.0 ns 150 May 30 69.1 ns 151 May 31 73.9 ns 152 Jun 1 69.0 ns 153 Jun 2 69.0 ns 154 Jun 3 71.5 ns 155 Jun 4 71.9 ns 156 Jun 5 70.7 ns 157 Jun 6 70.2 ns 158 Jun 7 70.3 ns 159 Jun 8 70.6 ns 160 Jun 9 72.1 ns 161 Jun 10 71.6 ns 162 Jun 11 73.7 ns 163 Jun 12 75.0 ns 164 Jun 13 72.9 ns 165 Jun 14 73.6 ns 166 Jun 15 75.6 ns 167 Jun 16 76.7 ns 168 Jun 17 75.2 ns 169 Jun 18 74.0 ns 170 Jun 19 76.2 ns 171 Jun 20 75.4 ns 172 Jun 21 75.8 ns 173 Jun 22 75.1 ns 174 Jun 23 72.5 ns 175 Jun 24 74.9 ns 176 Jun 25 73.0 ns 177 Jun 26 71.9 ns 178 Jun 27 74.4 ns 179 Jun 28 75.3 ns 180 Jun 29 76.6 ns 181 Jun 30 79.6 ns 182 Jul 1 80.1 ns 183 Jul 2 75.4 ns 184 Jul 3 73.8 ns 185 Jul 4 78.3 ns 186 Jul 5 79.0 ns 187 Jul 6 79.0 ns 188 Jul 7 80.9 ns 189 Jul 8 80.8 ns 190 Jul 9 80.8 ns 191 Jul 10 83.8 L1 192 Jul 11 85.0 L1 193 Jul 12 81.7 ns 194 Jul 13 80.6 ns 195 Jul 14 78.5 ns 196 Jul 15 77.3 ns 197 Jul 16 72.2 ns 198 Jul 17 76.6 ns 199 Jul 18 78.8 ns 200 Jul 19 79.7 ns 201 Jul 20 77.1 ns 202 Jul 21 73.7 ns 203 Jul 22 74.7 ns 204 Jul 23 72.3 ns 205 Jul 24 72.2 ns 206 Jul 25 73.3 ns 207 Jul 26 72.1 ns 208 Jul 27 73.6 ns 209 Jul 28 76.3 ns 210 Jul 29 77.3 ns 211 Jul 30 79.6 ns 212 Jul 31 79.2 ns 213 Aug 1 79.7 ns 214 Aug 2 78.7 ns 215 Aug 3 75.1 ns 216 Aug 4 78.3 ns 217 Aug 5 79.1 ns 218 Aug 6 80.3 ns 219 Aug 7 81.1 ns 220 Aug 8 83.8 L1 221 Aug 9 82.7 L1 222 Aug 10 78.3 ns 223 Aug 11 81.8 ns 224 Aug 12 80.8 ns 225 Aug 13 78.2 ns 226 Aug 14 77.3 ns 227 Aug 15 75.2 ns 228 Aug 16 76.3 ns 229 Aug 17 77.2 ns 230 Aug 18 77.6 ns 231 Aug 19 79.5 ns 232 Aug 20 80.0 ns 233 Aug 21 81.0 ns 234 Aug 22 78.7 ns 235 Aug 23 80.7 ns 236 Aug 24 78.5 ns 237 Aug 25 75.6 ns 238 Aug 26 73.0 ns 239 Aug 27 73.4 ns 240 Aug 28 77.4 ns 241 Aug 29 75.7 ns 242 Aug 30 75.7 ns 243 Aug 31 77.0 ns 244 Sep 1 77.0 ns 245 Sep 2 77.3 ns 246 Sep 3 75.8 ns 247 Sep 4 71.8 ns 248 Sep 5 74.1 ns 249 Sep 6 74.5 ns 250 Sep 7 75.9 ns 251 Sep 8 76.9 ns 252 Sep 9 76.4 ns 253 Sep 10 75.4 ns 254 Sep 11 75.9 ns 255 Sep 12 77.4 ns 256 Sep 13 74.9 ns 257 Sep 14 71.8 ns 258 Sep 15 71.9 ns 259 Sep 16 73.9 ns 260 Sep 17 73.4 ns 261 Sep 18 73.9 ns 262 Sep 19 73.0 ns 263 Sep 20 75.0 ns 264 Sep 21 74.2 ns 265 Sep 22 73.3 ns 266 Sep 23 74.8 ns 267 Sep 24 76.3 ns 268 Sep 25 75.2 ns 269 Sep 26 69.1 ns 270 Sep 27 66.5 ns 271 Sep 28 65.4 ns 272 Sep 29 66.1 ns 273 Sep 30 67.0 ns 274 Oct 1 66.5 ns 275 Oct 2 67.4 ns 276 Oct 3 69.9 ns 277 Oct 4 64.7 ns 278 Oct 5 58.5 ns 279 Oct 6 60.2 ns 280 Oct 7 62.4 ns 281 Oct 8 67.7 ns 282 Oct 9 71.2 ns 283 Oct 10 73.5 ns 284 Oct 11 69.9 ns 285 Oct 12 69.5 ns 286 Oct 13 67.4 ns 287 Oct 14 63.7 ns 288 Oct 15 60.7 ns 289 Oct 16 57.5 ns 290 Oct 17 56.8 ns 291 Oct 18 55.5 ns 292 Oct 19 58.1 ns 293 Oct 20 58.0 ns 294 Oct 21 59.1 ns 295 Oct 22 62.8 ns 296 Oct 23 59.3 ns 297 Oct 24 54.2 ns 298 Oct 25 56.1 ns 299 Oct 26 57.0 ns 300 Oct 27 57.5 ns 301 Oct 28 57.1 ns 302 Oct 29 58.5 ns 303 Oct 30 56.4 ns 304 Oct 31 56.4 ns 305 Nov 1 55.5 ns 306 Nov 2 56.6 ns 307 Nov 3 57.6 ns 308 Nov 4 56.3 ns 309 Nov 5 56.6 ns 310 Nov 6 56.1 ns 311 Nov 7 54.2 ns 312 Nov 8 54.1 ns 313 Nov 9 59.0 ns 314 Nov 10 56.4 ns 315 Nov 11 52.7 ns 316 Nov 12 53.3 ns 317 Nov 13 57.3 ns 318 Nov 14 57.0 ns 319 Nov 15 57.5 ns 320 Nov 16 56.6 ns 321 Nov 17 50.5 ns 322 Nov 18 53.0 ns 323 Nov 19 51.4 ns 324 Nov 20 45.7 ns 325 Nov 21 42.7 ns 326 Nov 22 47.8 ns 327 Nov 23 49.5 ns 328 Nov 24 46.1 ns 329 Nov 25 45.1 ns 330 Nov 26 48.2 ns 331 Nov 27 48.3 ns 332 Nov 28 49.5 ns 333 Nov 29 48.1 ns 334 Nov 30 50.1 ns 335 Dec 1 47.7 ns 336 Dec 2 45.9 ns 337 Dec 3 44.8 ns 338 Dec 4 40.1 ns 339 Dec 5 40.6 ns 340 Dec 6 41.9 ns 341 Dec 7 43.3 ns 342 Dec 8 42.4 ns 343 Dec 9 43.8 ns