San Simon, 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 57.9 ns 122 May 2 60.0 ns 123 May 3 63.1 ns 124 May 4 59.3 ns 125 May 5 52.2 ns 126 May 6 51.1 ns 127 May 7 56.9 ns 128 May 8 58.9 ns 129 May 9 66.1 ns 130 May 10 65.9 ns 131 May 11 63.5 ns 132 May 12 67.8 ns 133 May 13 70.1 ns 134 May 14 63.4 ns 135 May 15 55.9 ns 136 May 16 61.2 ns 137 May 17 63.4 ns 138 May 18 60.6 ns 139 May 19 58.6 ns 140 May 20 58.6 ns 141 May 21 61.9 ns 142 May 22 64.6 ns 143 May 23 64.9 ns 144 May 24 65.2 ns 145 May 25 62.7 ns 146 May 26 60.6 ns 147 May 27 62.0 ns 148 May 28 62.9 ns 149 May 29 64.2 ns 150 May 30 66.9 ns 151 May 31 73.6 ns 152 Jun 1 72.2 ns 153 Jun 2 67.0 ns 154 Jun 3 67.9 ns 155 Jun 4 69.5 ns 156 Jun 5 67.1 ns 157 Jun 6 68.1 ns 158 Jun 7 67.0 ns 159 Jun 8 66.4 ns 160 Jun 9 66.3 ns 161 Jun 10 67.4 ns 162 Jun 11 70.4 ns 163 Jun 12 70.4 ns 164 Jun 13 71.6 ns 165 Jun 14 70.2 ns 166 Jun 15 73.1 ns 167 Jun 16 72.5 ns 168 Jun 17 69.6 ns 169 Jun 18 67.7 ns 170 Jun 19 74.3 ns 171 Jun 20 76.3 ns 172 Jun 21 75.3 ns 173 Jun 22 73.6 ns 174 Jun 23 72.8 ns 175 Jun 24 73.5 ns 176 Jun 25 74.6 ns 177 Jun 26 74.9 ns 178 Jun 27 75.7 ns 179 Jun 28 74.6 ns 180 Jun 29 74.6 ns 181 Jun 30 74.5 ns 182 Jul 1 74.4 ns 183 Jul 2 74.5 ns 184 Jul 3 71.6 ns 185 Jul 4 74.4 ns 186 Jul 5 75.0 ns 187 Jul 6 75.0 ns 188 Jul 7 76.1 ns 189 Jul 8 75.7 ns 190 Jul 9 76.8 ns 191 Jul 10 79.0 ns 192 Jul 11 78.7 ns 193 Jul 12 78.0 ns 194 Jul 13 76.2 ns 195 Jul 14 75.0 ns 196 Jul 15 74.2 ns 197 Jul 16 74.0 ns 198 Jul 17 73.7 ns 199 Jul 18 72.1 ns 200 Jul 19 74.9 ns 201 Jul 20 76.1 ns 202 Jul 21 72.6 ns 203 Jul 22 70.1 ns 204 Jul 23 70.3 ns 205 Jul 24 68.4 ns 206 Jul 25 68.7 ns 207 Jul 26 68.8 ns 208 Jul 27 72.5 ns 209 Jul 28 75.5 ns 210 Jul 29 75.8 ns 211 Jul 30 76.1 ns 212 Jul 31 74.7 ns 213 Aug 1 75.0 ns 214 Aug 2 75.4 ns 215 Aug 3 72.9 ns 216 Aug 4 69.3 ns 217 Aug 5 72.6 ns 218 Aug 6 74.1 ns 219 Aug 7 74.2 ns 220 Aug 8 73.6 ns 221 Aug 9 77.0 ns 222 Aug 10 74.2 ns 223 Aug 11 76.4 ns 224 Aug 12 75.3 ns 225 Aug 13 75.2 ns 226 Aug 14 74.1 ns 227 Aug 15 71.2 ns 228 Aug 16 72.7 ns 229 Aug 17 74.0 ns 230 Aug 18 77.4 ns 231 Aug 19 75.5 ns 232 Aug 20 76.3 ns 233 Aug 21 76.0 ns 234 Aug 22 73.5 ns 235 Aug 23 70.8 ns 236 Aug 24 72.6 ns 237 Aug 25 74.9 ns 238 Aug 26 71.5 ns 239 Aug 27 71.3 ns 240 Aug 28 73.4 ns 241 Aug 29 74.9 ns 242 Aug 30 75.5 ns 243 Aug 31 71.2 ns 244 Sep 1 70.9 ns 245 Sep 2 72.3 ns 246 Sep 3 70.3 ns 247 Sep 4 66.1 ns 248 Sep 5 68.5 ns 249 Sep 6 72.1 ns 250 Sep 7 72.3 ns 251 Sep 8 71.5 ns 252 Sep 9 71.9 ns 253 Sep 10 71.8 ns 254 Sep 11 68.7 ns 255 Sep 12 67.4 ns 256 Sep 13 68.1 ns 257 Sep 14 69.2 ns 258 Sep 15 70.0 ns 259 Sep 16 71.3 ns 260 Sep 17 70.9 ns 261 Sep 18 71.8 ns 262 Sep 19 70.5 ns 263 Sep 20 69.4 ns 264 Sep 21 69.8 ns 265 Sep 22 69.7 ns 266 Sep 23 71.1 ns 267 Sep 24 71.4 ns 268 Sep 25 68.6 ns 269 Sep 26 62.0 ns 270 Sep 27 62.8 ns 271 Sep 28 63.0 ns 272 Sep 29 64.4 ns 273 Sep 30 65.4 ns 274 Oct 1 62.4 ns 275 Oct 2 63.6 ns 276 Oct 3 66.4 ns 277 Oct 4 65.2 ns 278 Oct 5 58.3 ns 279 Oct 6 58.3 ns 280 Oct 7 61.9 ns 281 Oct 8 68.6 ns 282 Oct 9 70.2 ns 283 Oct 10 71.8 ns 284 Oct 11 68.6 ns 285 Oct 12 65.9 ns 286 Oct 13 64.5 ns 287 Oct 14 64.5 ns 288 Oct 15 61.5 ns 289 Oct 16 57.0 ns 290 Oct 17 55.9 ns 291 Oct 18 51.3 ns 292 Oct 19 53.8 ns 293 Oct 20 52.8 ns 294 Oct 21 53.3 ns 295 Oct 22 53.9 ns 296 Oct 23 60.3 ns 297 Oct 24 50.3 ns 298 Oct 25 50.1 ns 299 Oct 26 51.0 ns 300 Oct 27 52.0 ns 301 Oct 28 52.7 ns 302 Oct 29 52.6 ns 303 Oct 30 48.2 ns 304 Oct 31 51.3 ns 305 Nov 1 49.3 ns 306 Nov 2 50.9 ns 307 Nov 3 52.7 ns 308 Nov 4 53.4 ns 309 Nov 5 49.8 ns 310 Nov 6 50.4 ns 311 Nov 7 49.2 ns 312 Nov 8 49.5 ns 313 Nov 9 51.4 ns 314 Nov 10 47.7 ns 315 Nov 11 45.3 ns 316 Nov 12 48.4 ns 317 Nov 13 51.5 ns 318 Nov 14 53.0 ns 319 Nov 15 52.2 ns 320 Nov 16 53.9 ns 321 Nov 17 49.2 ns 322 Nov 18 50.3 ns 323 Nov 19 51.7 ns 324 Nov 20 44.2 ns 325 Nov 21 39.9 ns 326 Nov 22 49.0 ns 327 Nov 23 45.4 ns 328 Nov 24 41.2 ns 329 Nov 25 42.3 ns 330 Nov 26 43.2 ns 331 Nov 27 45.1 ns 332 Nov 28 45.0 ns 333 Nov 29 43.1 ns 334 Nov 30 44.2 ns 335 Dec 1 41.9 ns 336 Dec 2 39.8 ns 337 Dec 3 43.0 ns 338 Dec 4 37.7 ns 339 Dec 5 36.9 ns 340 Dec 6 37.8 ns 341 Dec 7 38.2 ns 342 Dec 8 38.1 ns 343 Dec 9 37.8 ns