Payson, 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 57.8 ns 122 May 2 56.1 ns 123 May 3 54.9 ns 124 May 4 52.3 ns 125 May 5 47.6 ns 126 May 6 49.9 ns 127 May 7 51.5 ns 128 May 8 53.8 ns 129 May 9 54.3 ns 130 May 10 48.8 ns 131 May 11 52.1 ns 132 May 12 57.0 ns 133 May 13 59.9 ns 134 May 14 61.5 ns 135 May 15 62.6 ns 136 May 16 62.9 ns 137 May 17 60.9 ns 138 May 18 59.2 ns 139 May 19 57.6 ns 140 May 20 59.1 ns 141 May 21 61.2 ns 142 May 22 61.9 ns 143 May 23 61.0 ns 144 May 24 60.1 ns 145 May 25 58.4 ns 146 May 26 58.4 ns 147 May 27 56.8 ns 148 May 28 57.9 ns 149 May 29 58.1 ns 150 May 30 59.8 ns 151 May 31 57.4 ns 152 Jun 1 56.1 ns 153 Jun 2 59.0 ns 154 Jun 3 62.8 ns 155 Jun 4 64.6 ns 156 Jun 5 64.4 ns 157 Jun 6 60.5 ns 158 Jun 7 57.7 ns 159 Jun 8 56.8 ns 160 Jun 9 57.9 ns 161 Jun 10 59.0 ns 162 Jun 11 59.0 ns 163 Jun 12 57.5 ns 164 Jun 13 59.4 ns 165 Jun 14 61.1 ns 166 Jun 15 60.7 ns 167 Jun 16 63.1 ns 168 Jun 17 63.5 ns 169 Jun 18 65.7 ns 170 Jun 19 63.6 ns 171 Jun 20 65.7 ns 172 Jun 21 63.3 ns 173 Jun 22 63.3 ns 174 Jun 23 60.5 ns 175 Jun 24 60.9 ns 176 Jun 25 65.5 ns 177 Jun 26 67.6 ns 178 Jun 27 67.5 ns 179 Jun 28 65.9 ns 180 Jun 29 64.1 ns 181 Jun 30 66.6 ns 182 Jul 1 70.4 ns 183 Jul 2 71.5 ns 184 Jul 3 71.8 ns 185 Jul 4 71.7 ns 186 Jul 5 70.8 ns 187 Jul 6 70.2 ns 188 Jul 7 70.6 ns 189 Jul 8 70.4 ns 190 Jul 9 72.1 ns 191 Jul 10 72.9 ns 192 Jul 11 74.5 ns 193 Jul 12 75.4 ns 194 Jul 13 75.9 ns 195 Jul 14 76.6 ns 196 Jul 15 77.0 ns 197 Jul 16 75.2 ns 198 Jul 17 75.8 ns 199 Jul 18 76.7 ns 200 Jul 19 75.9 ns 201 Jul 20 75.3 ns 202 Jul 21 75.1 ns 203 Jul 22 73.1 ns 204 Jul 23 71.8 ns 205 Jul 24 73.3 ns 206 Jul 25 76.0 ns 207 Jul 26 74.7 ns 208 Jul 27 77.2 ns 209 Jul 28 75.7 ns 210 Jul 29 76.1 ns 211 Jul 30 74.9 ns 212 Jul 31 72.4 ns 213 Aug 1 71.2 ns 214 Aug 2 72.0 ns 215 Aug 3 71.5 ns 216 Aug 4 70.1 ns 217 Aug 5 71.3 ns 218 Aug 6 72.8 ns 219 Aug 7 77.6 ns 220 Aug 8 74.0 ns 221 Aug 9 72.5 ns 222 Aug 10 71.5 ns 223 Aug 11 69.6 ns 224 Aug 12 67.1 ns 225 Aug 13 68.8 ns 226 Aug 14 71.3 ns 227 Aug 15 72.8 ns 228 Aug 16 74.3 ns 229 Aug 17 71.4 ns 230 Aug 18 71.4 ns 231 Aug 19 70.8 ns 232 Aug 20 71.3 ns 233 Aug 21 68.3 ns 234 Aug 22 70.1 ns 235 Aug 23 68.6 ns 236 Aug 24 70.5 ns 237 Aug 25 71.1 ns 238 Aug 26 72.7 ns 239 Aug 27 72.5 ns 240 Aug 28 74.1 ns 241 Aug 29 72.4 ns 242 Aug 30 74.7 ns 243 Aug 31 68.8 ns 244 Sep 1 66.1 ns 245 Sep 2 67.6 ns 246 Sep 3 67.8 ns 247 Sep 4 65.1 ns 248 Sep 5 63.6 ns 249 Sep 6 63.8 ns 250 Sep 7 65.6 ns 251 Sep 8 69.2 ns 252 Sep 9 70.7 ns 253 Sep 10 68.7 ns 254 Sep 11 69.0 ns 255 Sep 12 66.7 ns 256 Sep 13 61.7 ns 257 Sep 14 63.1 ns 258 Sep 15 64.7 ns 259 Sep 16 64.0 ns 260 Sep 17 65.1 ns 261 Sep 18 62.4 ns 262 Sep 19 58.2 ns 263 Sep 20 58.7 ns 264 Sep 21 57.2 ns 265 Sep 22 57.9 ns 266 Sep 23 58.2 ns 267 Sep 24 59.6 ns 268 Sep 25 59.9 ns 269 Sep 26 60.6 ns 270 Sep 27 60.5 ns 271 Sep 28 59.5 ns 272 Sep 29 59.3 ns 273 Sep 30 59.5 ns 274 Oct 1 58.1 ns 275 Oct 2 54.2 ns 276 Oct 3 51.3 ns 277 Oct 4 55.6 ns 278 Oct 5 58.2 ns 279 Oct 6 60.1 ns 280 Oct 7 61.8 ns 281 Oct 8 57.6 ns 282 Oct 9 56.7 ns 283 Oct 10 57.2 ns 284 Oct 11 56.8 ns 285 Oct 12 50.5 ns 286 Oct 13 50.3 ns 287 Oct 14 54.2 ns 288 Oct 15 56.3 ns 289 Oct 16 58.1 ns 290 Oct 17 58.8 ns 291 Oct 18 58.4 ns 292 Oct 19 58.3 ns 293 Oct 20 57.9 ns 294 Oct 21 57.4 ns 295 Oct 22 55.7 ns 296 Oct 23 53.4 ns 297 Oct 24 53.1 ns 298 Oct 25 49.0 ns 299 Oct 26 49.9 ns 300 Oct 27 49.2 ns 301 Oct 28 48.7 ns 302 Oct 29 45.1 ns 303 Oct 30 43.3 ns 304 Oct 31 39.8 ns 305 Nov 1 41.9 ns 306 Nov 2 43.6 ns 307 Nov 3 45.8 ns 308 Nov 4 48.0 ns 309 Nov 5 49.3 ns 310 Nov 6 50.0 ns 311 Nov 7 50.9 ns 312 Nov 8 47.6 ns 313 Nov 9 45.2 ns 314 Nov 10 42.6 ns 315 Nov 11 42.1 ns 316 Nov 12 42.1 ns 317 Nov 13 46.5 ns 318 Nov 14 47.9 ns 319 Nov 15 49.3 ns 320 Nov 16 52.3 ns 321 Nov 17 50.2 ns 322 Nov 18 47.3 ns 323 Nov 19 43.6 ns 324 Nov 20 42.3 ns 325 Nov 21 45.0 ns 326 Nov 22 38.3 ns 327 Nov 23 37.0 ns 328 Nov 24 37.0 ns 329 Nov 25 37.4 ns 330 Nov 26 36.5 ns 331 Nov 27 39.8 ns 332 Nov 28 39.2 ns 333 Nov 29 41.2 ns 334 Nov 30 38.6 ns 335 Dec 1 33.8 ns 336 Dec 2 32.5 ns 337 Dec 3 34.6 ns 338 Dec 4 40.2 ns 339 Dec 5 41.7 ns 340 Dec 6 40.7 ns 341 Dec 7 38.5 ns 342 Dec 8 35.1 ns 343 Dec 9 31.9 ns