Buckeye, Arizona Cotton Heat Stress for 2023 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 71.4 ns 122 May 2 67.4 ns 123 May 3 66.8 ns 124 May 4 61.3 ns 125 May 5 61.2 ns 126 May 6 63.3 ns 127 May 7 65.6 ns 128 May 8 67.8 ns 129 May 9 68.5 ns 130 May 10 63.1 ns 131 May 11 66.6 ns 132 May 12 70.3 ns 133 May 13 73.2 ns 134 May 14 75.9 ns 135 May 15 79.3 ns 136 May 16 78.6 ns 137 May 17 78.2 ns 138 May 18 77.9 ns 139 May 19 73.2 ns 140 May 20 74.9 ns 141 May 21 76.8 ns 142 May 22 77.0 ns 143 May 23 75.6 ns 144 May 24 74.4 ns 145 May 25 73.2 ns 146 May 26 71.6 ns 147 May 27 71.5 ns 148 May 28 72.4 ns 149 May 29 71.9 ns 150 May 30 71.3 ns 151 May 31 68.6 ns 152 Jun 1 70.6 ns 153 Jun 2 72.0 ns 154 Jun 3 75.0 ns 155 Jun 4 76.1 ns 156 Jun 5 75.7 ns 157 Jun 6 72.0 ns 158 Jun 7 70.6 ns 159 Jun 8 71.1 ns 160 Jun 9 71.6 ns 161 Jun 10 73.2 ns 162 Jun 11 70.9 ns 163 Jun 12 71.5 ns 164 Jun 13 73.6 ns 165 Jun 14 74.2 ns 166 Jun 15 75.8 ns 167 Jun 16 76.1 ns 168 Jun 17 77.8 ns 169 Jun 18 77.7 ns 170 Jun 19 76.2 ns 171 Jun 20 76.6 ns 172 Jun 21 76.5 ns 173 Jun 22 75.2 ns 174 Jun 23 71.8 ns 175 Jun 24 72.0 ns 176 Jun 25 76.6 ns 177 Jun 26 77.3 ns 178 Jun 27 76.8 ns 179 Jun 28 77.3 ns 180 Jun 29 77.5 ns 181 Jun 30 78.9 ns 182 Jul 1 81.4 ns 183 Jul 2 83.4 L1 184 Jul 3 83.8 L1 185 Jul 4 83.1 L1 186 Jul 5 82.0 ns 187 Jul 6 82.3 ns 188 Jul 7 81.8 ns 189 Jul 8 82.1 ns 190 Jul 9 83.5 L1 191 Jul 10 85.8 L1 192 Jul 11 87.7 L2 193 Jul 12 87.8 L2 194 Jul 13 88.7 L2 195 Jul 14 88.8 L2 196 Jul 15 89.9 L2 197 Jul 16 90.8 L2 198 Jul 17 89.6 L2 199 Jul 18 89.8 L2 200 Jul 19 89.3 L2 201 Jul 20 87.8 L2 202 Jul 21 87.7 L2 203 Jul 22 90.0 L2 204 Jul 23 88.7 L2 205 Jul 24 88.9 L2 206 Jul 25 89.1 L2 207 Jul 26 90.5 L2 208 Jul 27 89.1 L2 209 Jul 28 89.7 L2 210 Jul 29 89.5 L2 211 Jul 30 88.9 L2 212 Jul 31 85.5 L1 213 Aug 1 86.4 L2 214 Aug 2 87.4 L2 215 Aug 3 85.7 L1 216 Aug 4 83.8 L1 217 Aug 5 83.9 L1 218 Aug 6 86.8 L2 219 Aug 7 89.1 L2 220 Aug 8 88.4 L2 221 Aug 9 88.1 L2 222 Aug 10 87.3 L2 223 Aug 11 85.0 L1 224 Aug 12 84.1 L1 225 Aug 13 84.4 L1 226 Aug 14 82.8 L1 227 Aug 15 87.6 L2 228 Aug 16 88.1 L2 229 Aug 17 88.8 L2 230 Aug 18 85.6 L1 231 Aug 19 79.8 ns 232 Aug 20 80.7 ns 233 Aug 21 77.3 ns 234 Aug 22 78.4 ns 235 Aug 23 82.8 L1 236 Aug 24 85.2 L1 237 Aug 25 86.5 L2 238 Aug 26 87.8 L2 239 Aug 27 88.8 L2 240 Aug 28 88.6 L2 241 Aug 29 86.7 L2 242 Aug 30 87.4 L2 243 Aug 31 87.2 L2 244 Sep 1 77.9 ns 245 Sep 2 79.8 ns 246 Sep 3 80.5 ns 247 Sep 4 80.4 ns 248 Sep 5 77.2 ns 249 Sep 6 77.9 ns 250 Sep 7 78.3 ns 251 Sep 8 83.0 L1 252 Sep 9 85.5 L1 253 Sep 10 84.0 L1 254 Sep 11 83.0 L1 255 Sep 12 81.9 ns 256 Sep 13 81.3 ns 257 Sep 14 79.5 ns 258 Sep 15 77.7 ns 259 Sep 16 78.1 ns 260 Sep 17 77.4 ns 261 Sep 18 75.0 ns 262 Sep 19 74.3 ns 263 Sep 20 72.8 ns 264 Sep 21 74.1 ns 265 Sep 22 75.8 ns 266 Sep 23 75.0 ns 267 Sep 24 74.8 ns 268 Sep 25 75.0 ns 269 Sep 26 75.0 ns 270 Sep 27 74.7 ns 271 Sep 28 74.2 ns 272 Sep 29 72.6 ns 273 Sep 30 72.6 ns 274 Oct 1 67.7 ns 275 Oct 2 66.6 ns 276 Oct 3 67.4 ns 277 Oct 4 68.9 ns 278 Oct 5 71.2 ns 279 Oct 6 73.3 ns 280 Oct 7 78.6 ns 281 Oct 8 78.8 ns 282 Oct 9 75.1 ns 283 Oct 10 73.8 ns 284 Oct 11 71.8 ns 285 Oct 12 66.3 ns 286 Oct 13 64.2 ns 287 Oct 14 67.1 ns 288 Oct 15 70.3 ns 289 Oct 16 73.5 ns 290 Oct 17 73.1 ns 291 Oct 18 71.2 ns 292 Oct 19 72.3 ns 293 Oct 20 73.8 ns 294 Oct 21 72.4 ns 295 Oct 22 71.3 ns 296 Oct 23 67.2 ns 297 Oct 24 65.4 ns 298 Oct 25 66.2 ns 299 Oct 26 66.6 ns 300 Oct 27 66.2 ns 301 Oct 28 64.3 ns 302 Oct 29 57.0 ns 303 Oct 30 55.1 ns 304 Oct 31 57.0 ns 305 Nov 1 59.7 ns 306 Nov 2 57.5 ns 307 Nov 3 58.5 ns 308 Nov 4 59.6 ns 309 Nov 5 62.4 ns 310 Nov 6 63.7 ns 311 Nov 7 62.3 ns 312 Nov 8 58.0 ns 313 Nov 9 54.1 ns 314 Nov 10 53.3 ns 315 Nov 11 55.2 ns 316 Nov 12 58.0 ns 317 Nov 13 65.4 ns 318 Nov 14 67.5 ns 319 Nov 15 63.9 ns 320 Nov 16 62.7 ns 321 Nov 17 64.1 ns 322 Nov 18 63.1 ns 323 Nov 19 57.4 ns 324 Nov 20 54.7 ns 325 Nov 21 57.7 ns 326 Nov 22 53.5 ns 327 Nov 23 51.0 ns 328 Nov 24 53.3 ns 329 Nov 25 51.0 ns 330 Nov 26 48.4 ns 331 Nov 27 52.7 ns 332 Nov 28 53.7 ns 333 Nov 29 51.9 ns 334 Nov 30 50.3 ns 335 Dec 1 51.2 ns 336 Dec 2 47.3 ns 337 Dec 3 47.0 ns 338 Dec 4 49.0 ns 339 Dec 5 53.9 ns 340 Dec 6 54.7 ns 341 Dec 7 53.0 ns 342 Dec 8 48.7 ns 343 Dec 9 47.0 ns