Harquahala, 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 70.7 ns 122 May 2 65.3 ns 123 May 3 64.3 ns 124 May 4 60.2 ns 125 May 5 59.3 ns 126 May 6 61.0 ns 127 May 7 63.8 ns 128 May 8 65.3 ns 129 May 9 65.3 ns 130 May 10 63.0 ns 131 May 11 65.2 ns 132 May 12 69.2 ns 133 May 13 71.9 ns 134 May 14 74.3 ns 135 May 15 77.5 ns 136 May 16 77.2 ns 137 May 17 77.4 ns 138 May 18 77.1 ns 139 May 19 74.2 ns 140 May 20 73.5 ns 141 May 21 74.2 ns 142 May 22 74.7 ns 143 May 23 73.4 ns 144 May 24 73.3 ns 145 May 25 71.9 ns 146 May 26 69.8 ns 147 May 27 69.6 ns 148 May 28 70.2 ns 149 May 29 70.0 ns 150 May 30 68.9 ns 151 May 31 67.0 ns 152 Jun 1 68.9 ns 153 Jun 2 70.9 ns 154 Jun 3 73.2 ns 155 Jun 4 73.7 ns 156 Jun 5 73.7 ns 157 Jun 6 70.1 ns 158 Jun 7 69.8 ns 159 Jun 8 70.1 ns 160 Jun 9 71.1 ns 161 Jun 10 71.9 ns 162 Jun 11 69.0 ns 163 Jun 12 70.3 ns 164 Jun 13 71.4 ns 165 Jun 14 72.5 ns 166 Jun 15 74.3 ns 167 Jun 16 75.3 ns 168 Jun 17 76.8 ns 169 Jun 18 76.8 ns 170 Jun 19 74.7 ns 171 Jun 20 74.4 ns 172 Jun 21 74.3 ns 173 Jun 22 72.5 ns 174 Jun 23 69.8 ns 175 Jun 24 69.7 ns 176 Jun 25 74.6 ns 177 Jun 26 74.7 ns 178 Jun 27 74.6 ns 179 Jun 28 75.4 ns 180 Jun 29 76.5 ns 181 Jun 30 77.3 ns 182 Jul 1 80.5 ns 183 Jul 2 81.7 ns 184 Jul 3 82.0 ns 185 Jul 4 82.1 ns 186 Jul 5 80.4 ns 187 Jul 6 79.5 ns 188 Jul 7 78.6 ns 189 Jul 8 80.2 ns 190 Jul 9 82.3 ns 191 Jul 10 85.0 L1 192 Jul 11 87.2 L2 193 Jul 12 87.2 L2 194 Jul 13 87.0 L2 195 Jul 14 87.6 L2 196 Jul 15 87.5 L2 197 Jul 16 90.0 L2 198 Jul 17 89.6 L2 199 Jul 18 88.6 L2 200 Jul 19 86.9 L2 201 Jul 20 85.9 L1 202 Jul 21 86.9 L2 203 Jul 22 89.1 L2 204 Jul 23 88.3 L2 205 Jul 24 88.3 L2 206 Jul 25 88.4 L2 207 Jul 26 88.4 L2 208 Jul 27 89.0 L2 209 Jul 28 89.1 L2 210 Jul 29 88.2 L2 211 Jul 30 85.7 L1 212 Jul 31 84.0 L1 213 Aug 1 84.7 L1 214 Aug 2 85.9 L1 215 Aug 3 84.3 L1 216 Aug 4 81.8 ns 217 Aug 5 82.7 L1 218 Aug 6 85.2 L1 219 Aug 7 88.7 L2 220 Aug 8 87.3 L2 221 Aug 9 87.0 L2 222 Aug 10 86.9 L2 223 Aug 11 84.1 L1 224 Aug 12 83.9 L1 225 Aug 13 83.7 L1 226 Aug 14 80.9 ns 227 Aug 15 85.6 L1 228 Aug 16 87.6 L2 229 Aug 17 87.6 L2 230 Aug 18 83.1 L1 231 Aug 19 77.3 ns 232 Aug 20 78.3 ns 233 Aug 21 76.6 ns 234 Aug 22 78.1 ns 235 Aug 23 81.6 ns 236 Aug 24 84.4 L1 237 Aug 25 84.2 L1 238 Aug 26 85.4 L1 239 Aug 27 86.6 L2 240 Aug 28 85.8 L1 241 Aug 29 85.9 L1 242 Aug 30 86.2 L2 243 Aug 31 85.8 L1 244 Sep 1 76.1 ns 245 Sep 2 77.4 ns 246 Sep 3 79.1 ns 247 Sep 4 77.9 ns 248 Sep 5 75.8 ns 249 Sep 6 76.4 ns 250 Sep 7 76.6 ns 251 Sep 8 80.1 ns 252 Sep 9 82.4 L1 253 Sep 10 81.8 ns 254 Sep 11 80.5 ns 255 Sep 12 81.6 ns 256 Sep 13 78.9 ns 257 Sep 14 77.3 ns 258 Sep 15 76.0 ns 259 Sep 16 76.7 ns 260 Sep 17 73.9 ns 261 Sep 18 72.5 ns 262 Sep 19 72.8 ns 263 Sep 20 72.0 ns 264 Sep 21 73.3 ns 265 Sep 22 73.2 ns 266 Sep 23 73.6 ns 267 Sep 24 71.8 ns 268 Sep 25 72.7 ns 269 Sep 26 70.6 ns 270 Sep 27 69.7 ns 271 Sep 28 71.6 ns 272 Sep 29 72.1 ns 273 Sep 30 71.4 ns 274 Oct 1 65.2 ns 275 Oct 2 63.9 ns 276 Oct 3 64.2 ns 277 Oct 4 66.1 ns 278 Oct 5 68.2 ns 279 Oct 6 69.9 ns 280 Oct 7 72.6 ns 281 Oct 8 75.2 ns 282 Oct 9 72.1 ns 283 Oct 10 72.1 ns 284 Oct 11 68.4 ns 285 Oct 12 64.3 ns 286 Oct 13 61.3 ns 287 Oct 14 62.7 ns 288 Oct 15 66.1 ns 289 Oct 16 69.9 ns 290 Oct 17 70.7 ns 291 Oct 18 67.2 ns 292 Oct 19 68.9 ns 293 Oct 20 68.8 ns 294 Oct 21 67.9 ns 295 Oct 22 68.7 ns 296 Oct 23 62.8 ns 297 Oct 24 61.5 ns 298 Oct 25 61.6 ns 299 Oct 26 64.5 ns 300 Oct 27 64.0 ns 301 Oct 28 60.1 ns 302 Oct 29 53.4 ns 303 Oct 30 51.8 ns 304 Oct 31 51.5 ns 305 Nov 1 57.1 ns 306 Nov 2 54.3 ns 307 Nov 3 55.6 ns 308 Nov 4 55.9 ns 309 Nov 5 60.1 ns 310 Nov 6 61.4 ns 311 Nov 7 60.6 ns 312 Nov 8 56.7 ns 313 Nov 9 52.7 ns 314 Nov 10 49.5 ns 315 Nov 11 52.3 ns 316 Nov 12 54.2 ns 317 Nov 13 61.0 ns 318 Nov 14 62.7 ns 319 Nov 15 62.0 ns 320 Nov 16 61.3 ns 321 Nov 17 60.1 ns 322 Nov 18 61.4 ns 323 Nov 19 55.1 ns 324 Nov 20 54.1 ns 325 Nov 21 54.3 ns 326 Nov 22 50.7 ns 327 Nov 23 48.8 ns 328 Nov 24 50.7 ns 329 Nov 25 47.7 ns 330 Nov 26 44.7 ns 331 Nov 27 50.5 ns 332 Nov 28 51.2 ns 333 Nov 29 48.5 ns 334 Nov 30 47.1 ns 335 Dec 1 48.8 ns 336 Dec 2 44.5 ns 337 Dec 3 44.8 ns 338 Dec 4 46.8 ns 339 Dec 5 51.0 ns 340 Dec 6 52.6 ns 341 Dec 7 50.4 ns 342 Dec 8 49.0 ns 343 Dec 9 46.4 ns