Buckeye, Arizona Cotton Heat Stress for 2020 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 --- ------ --------- 122 May 1 72.6 ns 123 May 2 71.8 ns 124 May 3 70.2 ns 125 May 4 70.9 ns 126 May 5 73.6 ns 127 May 6 74.6 ns 128 May 7 74.1 ns 129 May 8 76.8 ns 130 May 9 78.1 ns 131 May 10 78.4 ns 132 May 11 75.4 ns 133 May 12 70.4 ns 134 May 13 68.0 ns 135 May 14 69.4 ns 136 May 15 70.8 ns 137 May 16 73.1 ns 138 May 17 73.4 ns 139 May 18 72.8 ns 140 May 19 67.0 ns 141 May 20 63.6 ns 142 May 21 67.4 ns 143 May 22 69.7 ns 144 May 23 68.8 ns 145 May 24 68.6 ns 146 May 25 72.1 ns 147 May 26 74.3 ns 148 May 27 76.8 ns 149 May 28 78.9 ns 150 May 29 79.9 ns 151 May 30 81.1 ns 152 May 31 77.6 ns 153 Jun 1 77.7 ns 154 Jun 2 79.7 ns 155 Jun 3 82.2 ns 156 Jun 4 83.4 L1 157 Jun 5 79.6 ns 158 Jun 6 72.3 ns 159 Jun 7 72.7 ns 160 Jun 8 68.5 ns 161 Jun 9 70.3 ns 162 Jun 10 73.2 ns 163 Jun 11 76.1 ns 164 Jun 12 77.8 ns 165 Jun 13 74.4 ns 166 Jun 14 74.7 ns 167 Jun 15 76.3 ns 168 Jun 16 75.1 ns 169 Jun 17 75.4 ns 170 Jun 18 76.1 ns 171 Jun 19 76.3 ns 172 Jun 20 77.2 ns 173 Jun 21 78.0 ns 174 Jun 22 78.6 ns 175 Jun 23 78.9 ns 176 Jun 24 79.4 ns 177 Jun 25 80.1 ns 178 Jun 26 79.6 ns 179 Jun 27 80.5 ns 180 Jun 28 78.0 ns 181 Jun 29 76.5 ns 182 Jun 30 75.4 ns 183 Jul 1 75.5 ns 184 Jul 2 79.8 ns 185 Jul 3 84.0 L1 186 Jul 4 83.7 L1 187 Jul 5 83.3 L1 188 Jul 6 81.0 ns 189 Jul 7 82.5 L1 190 Jul 8 84.8 L1 191 Jul 9 83.9 L1 192 Jul 10 85.2 L1 193 Jul 11 86.4 L2 194 Jul 12 88.2 L2 195 Jul 13 87.8 L2 196 Jul 14 85.4 L1 197 Jul 15 85.0 L1 198 Jul 16 84.2 L1 199 Jul 17 84.1 L1 200 Jul 18 84.2 L1 201 Jul 19 84.3 L1 202 Jul 20 82.3 ns 203 Jul 21 83.5 L1 204 Jul 22 86.0 L1 205 Jul 23 82.1 ns 206 Jul 24 82.7 L1 207 Jul 25 82.3 ns 208 Jul 26 82.7 L1 209 Jul 27 85.0 L1 210 Jul 28 86.9 L2 211 Jul 29 85.9 L1 212 Jul 30 87.3 L2 213 Jul 31 88.2 L2 214 Aug 1 89.4 L2 215 Aug 2 87.6 L2 216 Aug 3 86.2 L2 217 Aug 4 86.2 L2 218 Aug 5 83.2 L1 219 Aug 6 80.6 ns 220 Aug 7 82.3 ns 221 Aug 8 81.9 ns 222 Aug 9 81.2 ns 223 Aug 10 82.0 ns 224 Aug 11 85.8 L1 225 Aug 12 86.9 L2 226 Aug 13 86.6 L2 227 Aug 14 87.0 L2 228 Aug 15 88.8 L2 229 Aug 16 89.5 L2 230 Aug 17 88.4 L2 231 Aug 18 88.7 L2 232 Aug 19 89.3 L2 233 Aug 20 86.9 L2 234 Aug 21 83.4 L1 235 Aug 22 86.7 L2 236 Aug 23 87.6 L2 237 Aug 24 87.2 L2 238 Aug 25 87.4 L2 239 Aug 26 87.4 L2 240 Aug 27 88.0 L2 241 Aug 28 88.1 L2 242 Aug 29 85.6 L1 243 Aug 30 79.8 ns 244 Aug 31 80.9 ns 245 Sep 1 84.3 L1 246 Sep 2 84.3 L1 247 Sep 3 85.6 L1 248 Sep 4 85.3 L1 249 Sep 5 86.0 L1 250 Sep 6 86.0 L2 251 Sep 7 84.7 L1 252 Sep 8 80.2 ns 253 Sep 9 68.6 ns 254 Sep 10 69.9 ns 255 Sep 11 68.8 ns 256 Sep 12 72.0 ns 257 Sep 13 74.7 ns 258 Sep 14 78.1 ns 259 Sep 15 78.9 ns 260 Sep 16 77.8 ns 261 Sep 17 77.3 ns 262 Sep 18 79.4 ns 263 Sep 19 80.3 ns 264 Sep 20 77.7 ns 265 Sep 21 79.9 ns 266 Sep 22 80.5 ns 267 Sep 23 77.7 ns 268 Sep 24 77.8 ns 269 Sep 25 76.8 ns 270 Sep 26 75.9 ns 271 Sep 27 74.9 ns 272 Sep 28 74.6 ns 273 Sep 29 75.5 ns 274 Sep 30 74.4 ns 275 Oct 1 74.2 ns 276 Oct 2 74.8 ns 277 Oct 3 73.4 ns 278 Oct 4 71.8 ns 279 Oct 5 73.9 ns 280 Oct 6 73.2 ns 281 Oct 7 71.3 ns 282 Oct 8 71.3 ns 283 Oct 9 72.2 ns 284 Oct 10 69.7 ns 285 Oct 11 69.6 ns 286 Oct 12 71.2 ns 287 Oct 13 71.2 ns 288 Oct 14 70.3 ns 289 Oct 15 70.6 ns 290 Oct 16 71.5 ns 291 Oct 17 67.9 ns 292 Oct 18 66.1 ns 293 Oct 19 67.0 ns 294 Oct 20 66.9 ns 295 Oct 21 66.3 ns 296 Oct 22 67.8 ns 297 Oct 23 69.6 ns 298 Oct 24 66.7 ns 299 Oct 25 67.3 ns 300 Oct 26 54.2 ns 301 Oct 27 48.4 ns 302 Oct 28 49.9 ns 303 Oct 29 55.5 ns 304 Oct 30 59.6 ns 305 Oct 31 61.0 ns