Coolidge, 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 67.2 ns 122 May 2 67.3 ns 123 May 3 69.0 ns 124 May 4 63.7 ns 125 May 5 57.1 ns 126 May 6 60.6 ns 127 May 7 63.0 ns 128 May 8 67.3 ns 129 May 9 72.4 ns 130 May 10 76.1 ns 131 May 11 76.1 ns 132 May 12 75.6 ns 133 May 13 71.5 ns 134 May 14 63.4 ns 135 May 15 63.6 ns 136 May 16 66.7 ns 137 May 17 68.6 ns 138 May 18 66.0 ns 139 May 19 68.0 ns 140 May 20 68.6 ns 141 May 21 71.1 ns 142 May 22 73.2 ns 143 May 23 73.2 ns 144 May 24 72.6 ns 145 May 25 70.5 ns 146 May 26 72.2 ns 147 May 27 71.4 ns 148 May 28 73.1 ns 149 May 29 72.9 ns 150 May 30 73.8 ns 151 May 31 77.7 ns 152 Jun 1 71.2 ns 153 Jun 2 73.1 ns 154 Jun 3 77.2 ns 155 Jun 4 78.3 ns 156 Jun 5 76.6 ns 157 Jun 6 76.7 ns 158 Jun 7 75.9 ns 159 Jun 8 75.4 ns 160 Jun 9 76.8 ns 161 Jun 10 77.7 ns 162 Jun 11 79.5 ns 163 Jun 12 79.9 ns 164 Jun 13 78.9 ns 165 Jun 14 78.5 ns 166 Jun 15 79.4 ns 167 Jun 16 80.9 ns 168 Jun 17 80.3 ns 169 Jun 18 80.0 ns 170 Jun 19 80.3 ns 171 Jun 20 77.5 ns 172 Jun 21 77.7 ns 173 Jun 22 76.2 ns 174 Jun 23 76.8 ns 175 Jun 24 76.7 ns 176 Jun 25 74.8 ns 177 Jun 26 76.0 ns 178 Jun 27 78.1 ns 179 Jun 28 81.5 ns 180 Jun 29 82.4 L1 181 Jun 30 83.6 L1 182 Jul 1 86.5 L2 183 Jul 2 83.7 L1 184 Jul 3 79.9 ns 185 Jul 4 81.6 ns 186 Jul 5 83.4 L1 187 Jul 6 83.0 L1 188 Jul 7 84.9 L1 189 Jul 8 86.3 L2 190 Jul 9 86.9 L2 191 Jul 10 86.5 L2 192 Jul 11 87.1 L2 193 Jul 12 83.6 L1 194 Jul 13 82.9 L1 195 Jul 14 84.2 L1 196 Jul 15 83.8 L1 197 Jul 16 78.0 ns 198 Jul 17 82.8 L1 199 Jul 18 84.0 L1 200 Jul 19 83.7 L1 201 Jul 20 78.4 ns 202 Jul 21 78.6 ns 203 Jul 22 81.0 ns 204 Jul 23 79.0 ns 205 Jul 24 76.0 ns 206 Jul 25 77.1 ns 207 Jul 26 77.0 ns 208 Jul 27 78.5 ns 209 Jul 28 81.3 ns 210 Jul 29 80.5 ns 211 Jul 30 81.9 ns 212 Jul 31 85.0 L1 213 Aug 1 86.7 L2 214 Aug 2 83.9 L1 215 Aug 3 80.2 ns 216 Aug 4 81.9 ns 217 Aug 5 84.3 L1 218 Aug 6 85.9 L1 219 Aug 7 86.0 L1 220 Aug 8 86.9 L2 221 Aug 9 86.8 L2 222 Aug 10 86.2 L2 223 Aug 11 85.9 L1 224 Aug 12 85.3 L1 225 Aug 13 84.5 L1 226 Aug 14 83.3 L1 227 Aug 15 79.7 ns 228 Aug 16 81.1 ns 229 Aug 17 80.1 ns 230 Aug 18 80.6 ns 231 Aug 19 82.5 L1 232 Aug 20 84.9 L1 233 Aug 21 86.3 L2 234 Aug 22 85.9 L1 235 Aug 23 87.2 L2 236 Aug 24 86.5 L2 237 Aug 25 81.4 ns 238 Aug 26 79.1 ns 239 Aug 27 80.6 ns 240 Aug 28 83.5 L1 241 Aug 29 82.1 ns 242 Aug 30 80.6 ns 243 Aug 31 80.9 ns 244 Sep 1 81.5 ns 245 Sep 2 82.5 L1 246 Sep 3 80.0 ns 247 Sep 4 76.3 ns 248 Sep 5 78.4 ns 249 Sep 6 81.0 ns 250 Sep 7 81.8 ns 251 Sep 8 83.0 L1 252 Sep 9 83.1 L1 253 Sep 10 81.8 ns 254 Sep 11 81.5 ns 255 Sep 12 80.4 ns 256 Sep 13 72.3 ns 257 Sep 14 73.1 ns 258 Sep 15 75.4 ns 259 Sep 16 78.4 ns 260 Sep 17 81.4 ns 261 Sep 18 81.2 ns 262 Sep 19 80.1 ns 263 Sep 20 80.5 ns 264 Sep 21 78.9 ns 265 Sep 22 78.3 ns 266 Sep 23 78.6 ns 267 Sep 24 79.6 ns 268 Sep 25 80.6 ns 269 Sep 26 74.5 ns 270 Sep 27 70.9 ns 271 Sep 28 71.8 ns 272 Sep 29 72.4 ns 273 Sep 30 73.3 ns 274 Oct 1 72.7 ns 275 Oct 2 73.4 ns 276 Oct 3 74.4 ns 277 Oct 4 67.0 ns 278 Oct 5 62.7 ns 279 Oct 6 64.1 ns 280 Oct 7 67.1 ns 281 Oct 8 72.6 ns 282 Oct 9 76.0 ns 283 Oct 10 77.7 ns 284 Oct 11 72.5 ns 285 Oct 12 70.2 ns 286 Oct 13 71.9 ns 287 Oct 14 67.8 ns 288 Oct 15 63.2 ns 289 Oct 16 60.9 ns 290 Oct 17 59.9 ns 291 Oct 18 60.5 ns 292 Oct 19 63.3 ns 293 Oct 20 62.7 ns 294 Oct 21 62.0 ns 295 Oct 22 67.7 ns 296 Oct 23 62.7 ns 297 Oct 24 60.4 ns 298 Oct 25 61.6 ns 299 Oct 26 61.8 ns 300 Oct 27 62.4 ns 301 Oct 28 62.1 ns 302 Oct 29 64.0 ns 303 Oct 30 62.9 ns 304 Oct 31 60.2 ns 305 Nov 1 59.0 ns 306 Nov 2 59.8 ns 307 Nov 3 60.6 ns 308 Nov 4 59.8 ns 309 Nov 5 59.0 ns 310 Nov 6 58.1 ns 311 Nov 7 57.5 ns 312 Nov 8 58.0 ns 313 Nov 9 60.5 ns 314 Nov 10 63.8 ns 315 Nov 11 57.7 ns 316 Nov 12 58.7 ns 317 Nov 13 57.3 ns 318 Nov 14 57.6 ns 319 Nov 15 59.3 ns 320 Nov 16 61.5 ns 321 Nov 17 56.2 ns 322 Nov 18 57.5 ns 323 Nov 19 54.7 ns 324 Nov 20 51.4 ns 325 Nov 21 51.0 ns 326 Nov 22 52.7 ns 327 Nov 23 53.7 ns 328 Nov 24 50.5 ns 329 Nov 25 50.0 ns 330 Nov 26 50.2 ns 331 Nov 27 52.8 ns 332 Nov 28 52.7 ns 333 Nov 29 50.0 ns 334 Nov 30 49.2 ns 335 Dec 1 48.8 ns 336 Dec 2 45.5 ns 337 Dec 3 44.9 ns 338 Dec 4 43.4 ns 339 Dec 5 41.0 ns 340 Dec 6 42.9 ns 341 Dec 7 43.7 ns 342 Dec 8 44.4 ns 343 Dec 9 44.7 ns