Safford, 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 64.3 ns 122 May 2 64.9 ns 123 May 3 68.2 ns 124 May 4 62.1 ns 125 May 5 55.0 ns 126 May 6 56.0 ns 127 May 7 59.3 ns 128 May 8 64.1 ns 129 May 9 68.0 ns 130 May 10 69.4 ns 131 May 11 69.1 ns 132 May 12 72.4 ns 133 May 13 71.4 ns 134 May 14 63.9 ns 135 May 15 61.9 ns 136 May 16 65.0 ns 137 May 17 67.1 ns 138 May 18 65.3 ns 139 May 19 65.5 ns 140 May 20 66.4 ns 141 May 21 68.1 ns 142 May 22 71.4 ns 143 May 23 73.9 ns 144 May 24 71.1 ns 145 May 25 68.0 ns 146 May 26 68.0 ns 147 May 27 69.2 ns 148 May 28 70.3 ns 149 May 29 73.6 ns 150 May 30 74.5 ns 151 May 31 77.9 ns 152 Jun 1 74.6 ns 153 Jun 2 69.9 ns 154 Jun 3 74.4 ns 155 Jun 4 75.5 ns 156 Jun 5 74.2 ns 157 Jun 6 75.5 ns 158 Jun 7 75.3 ns 159 Jun 8 74.4 ns 160 Jun 9 73.9 ns 161 Jun 10 75.2 ns 162 Jun 11 76.8 ns 163 Jun 12 78.0 ns 164 Jun 13 79.5 ns 165 Jun 14 76.7 ns 166 Jun 15 78.7 ns 167 Jun 16 78.6 ns 168 Jun 17 76.3 ns 169 Jun 18 76.7 ns 170 Jun 19 78.6 ns 171 Jun 20 78.9 ns 172 Jun 21 77.8 ns 173 Jun 22 77.2 ns 174 Jun 23 77.5 ns 175 Jun 24 76.2 ns 176 Jun 25 78.0 ns 177 Jun 26 77.2 ns 178 Jun 27 79.1 ns 179 Jun 28 80.4 ns 180 Jun 29 80.2 ns 181 Jun 30 79.3 ns 182 Jul 1 77.2 ns 183 Jul 2 76.9 ns 184 Jul 3 76.0 ns 185 Jul 4 78.7 ns 186 Jul 5 80.4 ns 187 Jul 6 81.5 ns 188 Jul 7 80.8 ns 189 Jul 8 81.1 ns 190 Jul 9 81.6 ns 191 Jul 10 83.2 L1 192 Jul 11 84.9 L1 193 Jul 12 82.6 L1 194 Jul 13 79.3 ns 195 Jul 14 80.3 ns 196 Jul 15 79.6 ns 197 Jul 16 78.8 ns 198 Jul 17 78.5 ns 199 Jul 18 77.6 ns 200 Jul 19 77.0 ns 201 Jul 20 78.2 ns 202 Jul 21 76.8 ns 203 Jul 22 76.6 ns 204 Jul 23 75.9 ns 205 Jul 24 72.9 ns 206 Jul 25 74.2 ns 207 Jul 26 76.5 ns 208 Jul 27 76.6 ns 209 Jul 28 78.7 ns 210 Jul 29 77.6 ns 211 Jul 30 78.0 ns 212 Jul 31 76.3 ns 213 Aug 1 77.7 ns 214 Aug 2 80.9 ns 215 Aug 3 77.3 ns 216 Aug 4 75.8 ns 217 Aug 5 78.8 ns 218 Aug 6 82.3 ns 219 Aug 7 80.7 ns 220 Aug 8 81.0 ns 221 Aug 9 83.9 L1 222 Aug 10 79.2 ns 223 Aug 11 81.6 ns 224 Aug 12 81.3 ns 225 Aug 13 77.3 ns 226 Aug 14 77.8 ns 227 Aug 15 74.8 ns 228 Aug 16 75.9 ns 229 Aug 17 78.3 ns 230 Aug 18 80.0 ns 231 Aug 19 78.0 ns 232 Aug 20 79.9 ns 233 Aug 21 79.4 ns 234 Aug 22 79.1 ns 235 Aug 23 77.9 ns 236 Aug 24 77.7 ns 237 Aug 25 79.5 ns 238 Aug 26 75.6 ns 239 Aug 27 75.0 ns 240 Aug 28 78.8 ns 241 Aug 29 79.6 ns 242 Aug 30 78.4 ns 243 Aug 31 73.9 ns 244 Sep 1 73.9 ns 245 Sep 2 76.1 ns 246 Sep 3 74.7 ns 247 Sep 4 72.8 ns 248 Sep 5 73.1 ns 249 Sep 6 75.9 ns 250 Sep 7 77.1 ns 251 Sep 8 78.4 ns 252 Sep 9 78.8 ns 253 Sep 10 76.8 ns 254 Sep 11 71.6 ns 255 Sep 12 70.5 ns 256 Sep 13 71.5 ns 257 Sep 14 70.9 ns 258 Sep 15 72.7 ns 259 Sep 16 74.8 ns 260 Sep 17 75.3 ns 261 Sep 18 76.1 ns 262 Sep 19 72.9 ns 263 Sep 20 73.1 ns 264 Sep 21 70.4 ns 265 Sep 22 72.2 ns 266 Sep 23 73.7 ns 267 Sep 24 73.7 ns 268 Sep 25 71.9 ns 269 Sep 26 67.2 ns 270 Sep 27 65.9 ns 271 Sep 28 66.8 ns 272 Sep 29 67.3 ns 273 Sep 30 69.4 ns 274 Oct 1 66.6 ns 275 Oct 2 68.1 ns 276 Oct 3 70.9 ns 277 Oct 4 69.5 ns 278 Oct 5 62.9 ns 279 Oct 6 61.5 ns 280 Oct 7 64.0 ns 281 Oct 8 71.9 ns 282 Oct 9 74.0 ns 283 Oct 10 76.0 ns 284 Oct 11 69.8 ns 285 Oct 12 66.8 ns 286 Oct 13 67.5 ns 287 Oct 14 68.5 ns 288 Oct 15 62.6 ns 289 Oct 16 61.2 ns 290 Oct 17 59.3 ns 291 Oct 18 56.6 ns 292 Oct 19 58.1 ns 293 Oct 20 56.6 ns 294 Oct 21 57.0 ns 295 Oct 22 64.0 ns 296 Oct 23 64.3 ns 297 Oct 24 56.1 ns 298 Oct 25 55.8 ns 299 Oct 26 56.3 ns 300 Oct 27 56.5 ns 301 Oct 28 55.9 ns 302 Oct 29 55.9 ns 303 Oct 30 53.0 ns 304 Oct 31 55.2 ns 305 Nov 1 53.9 ns 306 Nov 2 55.2 ns 307 Nov 3 57.7 ns 308 Nov 4 55.5 ns 309 Nov 5 52.5 ns 310 Nov 6 54.2 ns 311 Nov 7 52.2 ns 312 Nov 8 52.8 ns 313 Nov 9 53.3 ns 314 Nov 10 51.3 ns 315 Nov 11 50.6 ns 316 Nov 12 51.0 ns 317 Nov 13 53.6 ns 318 Nov 14 55.8 ns 319 Nov 15 57.3 ns 320 Nov 16 58.6 ns 321 Nov 17 50.8 ns 322 Nov 18 53.9 ns 323 Nov 19 54.2 ns 324 Nov 20 46.2 ns 325 Nov 21 42.9 ns 326 Nov 22 49.8 ns 327 Nov 23 48.6 ns 328 Nov 24 45.8 ns 329 Nov 25 45.5 ns 330 Nov 26 47.0 ns 331 Nov 27 49.6 ns 332 Nov 28 50.3 ns 333 Nov 29 45.3 ns 334 Nov 30 44.3 ns 335 Dec 1 43.5 ns 336 Dec 2 40.4 ns 337 Dec 3 42.4 ns 338 Dec 4 37.1 ns 339 Dec 5 37.3 ns 340 Dec 6 39.5 ns 341 Dec 7 40.7 ns 342 Dec 8 40.0 ns 343 Dec 9 39.4 ns