Buckeye, Arizona Cotton Heat Stress for 2021 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 73.1 ns 122 May 2 70.7 ns 123 May 3 68.0 ns 124 May 4 69.5 ns 125 May 5 71.3 ns 126 May 6 73.6 ns 127 May 7 71.8 ns 128 May 8 70.1 ns 129 May 9 70.9 ns 130 May 10 69.4 ns 131 May 11 68.8 ns 132 May 12 72.0 ns 133 May 13 72.8 ns 134 May 14 73.9 ns 135 May 15 72.7 ns 136 May 16 69.7 ns 137 May 17 69.2 ns 138 May 18 73.3 ns 139 May 19 75.1 ns 140 May 20 74.2 ns 141 May 21 66.5 ns 142 May 22 60.2 ns 143 May 23 62.2 ns 144 May 24 68.7 ns 145 May 25 70.4 ns 146 May 26 72.6 ns 147 May 27 72.1 ns 148 May 28 72.4 ns 149 May 29 72.5 ns 150 May 30 73.5 ns 151 May 31 75.5 ns 152 Jun 1 76.9 ns 153 Jun 2 78.2 ns 154 Jun 3 80.0 ns 155 Jun 4 79.1 ns 156 Jun 5 78.3 ns 157 Jun 6 75.4 ns 158 Jun 7 73.5 ns 159 Jun 8 72.4 ns 160 Jun 9 74.7 ns 161 Jun 10 74.9 ns 162 Jun 11 72.6 ns 163 Jun 12 76.1 ns 164 Jun 13 78.5 ns 165 Jun 14 81.1 ns 166 Jun 15 85.3 L1 167 Jun 16 85.4 L1 168 Jun 17 87.0 L2 169 Jun 18 87.0 L2 170 Jun 19 86.7 L2 171 Jun 20 86.6 L2 172 Jun 21 83.9 L1 173 Jun 22 83.0 L1 174 Jun 23 79.9 ns 175 Jun 24 82.8 L1 176 Jun 25 82.5 L1 177 Jun 26 80.4 ns 178 Jun 27 83.5 L1 179 Jun 28 86.7 L2 180 Jun 29 85.1 L1 181 Jun 30 83.8 L1 182 Jul 1 85.6 L1 183 Jul 2 86.8 L2 184 Jul 3 85.7 L1 185 Jul 4 85.1 L1 186 Jul 5 86.8 L2 187 Jul 6 86.1 L2 188 Jul 7 87.0 L2 189 Jul 8 89.8 L2 190 Jul 9 90.8 L2 191 Jul 10 89.6 L2 192 Jul 11 88.2 L2 193 Jul 12 88.6 L2 194 Jul 13 88.8 L2 195 Jul 14 84.5 L1 196 Jul 15 86.1 L2 197 Jul 16 86.1 L2 198 Jul 17 85.7 L1 199 Jul 18 86.2 L2 200 Jul 19 86.7 L2 201 Jul 20 87.8 L2 202 Jul 21 87.6 L2 203 Jul 22 87.7 L2 204 Jul 23 78.3 ns 205 Jul 24 77.9 ns 206 Jul 25 75.7 ns 207 Jul 26 82.1 ns 208 Jul 27 84.7 L1 209 Jul 28 86.4 L2 210 Jul 29 86.2 L2 211 Jul 30 85.1 L1 212 Jul 31 83.8 L1 213 Aug 1 87.3 L2 214 Aug 2 88.1 L2 215 Aug 3 87.7 L2 216 Aug 4 87.3 L2 217 Aug 5 89.4 L2 218 Aug 6 88.8 L2 219 Aug 7 88.0 L2 220 Aug 8 87.8 L2 221 Aug 9 83.1 L1 222 Aug 10 82.0 ns 223 Aug 11 80.9 ns 224 Aug 12 83.1 L1 225 Aug 13 84.8 L1 226 Aug 14 80.4 ns 227 Aug 15 85.8 L1 228 Aug 16 86.7 L2 229 Aug 17 80.4 ns 230 Aug 18 82.5 L1 231 Aug 19 80.7 ns 232 Aug 20 81.2 ns 233 Aug 21 82.5 L1 234 Aug 22 80.9 ns 235 Aug 23 78.9 ns 236 Aug 24 81.1 ns 237 Aug 25 85.1 L1 238 Aug 26 85.7 L1 239 Aug 27 86.0 L2 240 Aug 28 87.9 L2 241 Aug 29 87.1 L2 242 Aug 30 86.8 L2 243 Aug 31 80.0 ns 244 Sep 1 78.9 ns 245 Sep 2 80.7 ns 246 Sep 3 82.2 ns 247 Sep 4 81.7 ns 248 Sep 5 82.8 L1 249 Sep 6 85.3 L1 250 Sep 7 86.4 L2 251 Sep 8 85.8 L1 252 Sep 9 84.3 L1 253 Sep 10 85.2 L1 254 Sep 11 85.5 L1 255 Sep 12 84.0 L1 256 Sep 13 83.2 L1 257 Sep 14 82.6 L1 258 Sep 15 79.9 ns 259 Sep 16 79.6 ns 260 Sep 17 80.8 ns 261 Sep 18 81.4 ns 262 Sep 19 79.4 ns 263 Sep 20 74.7 ns 264 Sep 21 74.8 ns 265 Sep 22 76.6 ns 266 Sep 23 77.9 ns 267 Sep 24 74.3 ns 268 Sep 25 76.3 ns 269 Sep 26 70.8 ns 270 Sep 27 73.3 ns 271 Sep 28 74.6 ns 272 Sep 29 72.8 ns 273 Sep 30 72.2 ns 274 Oct 1 70.4 ns 275 Oct 2 69.6 ns 276 Oct 3 72.0 ns 277 Oct 4 72.9 ns 278 Oct 5 72.6 ns 279 Oct 6 70.6 ns 280 Oct 7 72.4 ns 281 Oct 8 72.5 ns 282 Oct 9 66.6 ns 283 Oct 10 63.0 ns 284 Oct 11 62.7 ns 285 Oct 12 54.4 ns 286 Oct 13 54.7 ns 287 Oct 14 57.0 ns 288 Oct 15 60.1 ns 289 Oct 16 64.2 ns 290 Oct 17 65.1 ns 291 Oct 18 63.3 ns 292 Oct 19 60.5 ns 293 Oct 20 62.1 ns 294 Oct 21 63.7 ns 295 Oct 22 63.5 ns 296 Oct 23 62.8 ns 297 Oct 24 65.4 ns 298 Oct 25 68.5 ns 299 Oct 26 61.0 ns 300 Oct 27 58.5 ns 301 Oct 28 61.7 ns 302 Oct 29 63.5 ns 303 Oct 30 62.1 ns 304 Oct 31 63.5 ns 305 Nov 1 63.7 ns