Harquahala, 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 71.0 ns 122 May 2 68.6 ns 123 May 3 67.1 ns 124 May 4 67.1 ns 125 May 5 69.3 ns 126 May 6 70.2 ns 127 May 7 68.6 ns 128 May 8 68.4 ns 129 May 9 69.1 ns 130 May 10 67.8 ns 131 May 11 68.1 ns 132 May 12 69.3 ns 133 May 13 71.0 ns 134 May 14 70.0 ns 135 May 15 70.5 ns 136 May 16 67.3 ns 137 May 17 66.7 ns 138 May 18 71.0 ns 139 May 19 73.5 ns 140 May 20 71.3 ns 141 May 21 63.8 ns 142 May 22 58.2 ns 143 May 23 60.7 ns 144 May 24 65.5 ns 145 May 25 69.6 ns 146 May 26 71.9 ns 147 May 27 71.4 ns 148 May 28 70.3 ns 149 May 29 71.0 ns 150 May 30 72.2 ns 151 May 31 74.0 ns 152 Jun 1 76.1 ns 153 Jun 2 77.4 ns 154 Jun 3 78.9 ns 155 Jun 4 76.7 ns 156 Jun 5 76.9 ns 157 Jun 6 74.4 ns 158 Jun 7 72.9 ns 159 Jun 8 71.7 ns 160 Jun 9 73.4 ns 161 Jun 10 70.6 ns 162 Jun 11 70.6 ns 163 Jun 12 74.0 ns 164 Jun 13 76.7 ns 165 Jun 14 79.4 ns 166 Jun 15 84.3 L1 167 Jun 16 84.4 L1 168 Jun 17 86.1 L2 169 Jun 18 86.1 L2 170 Jun 19 85.7 L1 171 Jun 20 84.0 L1 172 Jun 21 83.1 L1 173 Jun 22 82.4 ns 174 Jun 23 80.5 ns 175 Jun 24 81.6 ns 176 Jun 25 80.0 ns 177 Jun 26 78.3 ns 178 Jun 27 81.7 ns 179 Jun 28 86.2 L2 180 Jun 29 84.7 L1 181 Jun 30 83.1 L1 182 Jul 1 84.5 L1 183 Jul 2 85.4 L1 184 Jul 3 85.3 L1 185 Jul 4 83.9 L1 186 Jul 5 85.7 L1 187 Jul 6 84.2 L1 188 Jul 7 85.5 L1 189 Jul 8 88.3 L2 190 Jul 9 90.2 L2 191 Jul 10 89.9 L2 192 Jul 11 87.6 L2 193 Jul 12 87.7 L2 194 Jul 13 87.3 L2 195 Jul 14 84.6 L1 196 Jul 15 86.3 L2 197 Jul 16 85.2 L1 198 Jul 17 84.6 L1 199 Jul 18 85.4 L1 200 Jul 19 85.2 L1 201 Jul 20 86.8 L2 202 Jul 21 85.2 L1 203 Jul 22 86.7 L2 204 Jul 23 79.8 ns 205 Jul 24 76.8 ns 206 Jul 25 75.6 ns 207 Jul 26 80.8 ns 208 Jul 27 84.0 L1 209 Jul 28 85.0 L1 210 Jul 29 84.0 L1 211 Jul 30 82.8 L1 212 Jul 31 82.7 L1 213 Aug 1 86.4 L2 214 Aug 2 86.2 L2 215 Aug 3 86.7 L2 216 Aug 4 86.9 L2 217 Aug 5 88.5 L2 218 Aug 6 88.1 L2 219 Aug 7 86.6 L2 220 Aug 8 86.5 L2 221 Aug 9 83.3 L1 222 Aug 10 82.1 ns 223 Aug 11 79.0 ns 224 Aug 12 81.4 ns 225 Aug 13 84.0 L1 226 Aug 14 80.0 ns 227 Aug 15 84.4 L1 228 Aug 16 85.2 L1 229 Aug 17 81.4 ns 230 Aug 18 82.7 L1 231 Aug 19 78.8 ns 232 Aug 20 79.0 ns 233 Aug 21 81.2 ns 234 Aug 22 78.6 ns 235 Aug 23 77.6 ns 236 Aug 24 79.7 ns 237 Aug 25 83.3 L1 238 Aug 26 83.6 L1 239 Aug 27 83.5 L1 240 Aug 28 86.5 L2 241 Aug 29 86.6 L2 242 Aug 30 86.1 L2 243 Aug 31 79.6 ns 244 Sep 1 79.7 ns 245 Sep 2 79.7 ns 246 Sep 3 79.7 ns 247 Sep 4 78.0 ns 248 Sep 5 80.6 ns 249 Sep 6 84.3 L1 250 Sep 7 84.0 L1 251 Sep 8 83.4 L1 252 Sep 9 82.9 L1 253 Sep 10 83.2 L1 254 Sep 11 83.4 L1 255 Sep 12 82.4 L1 256 Sep 13 81.7 ns 257 Sep 14 79.9 ns 258 Sep 15 77.3 ns 259 Sep 16 76.3 ns 260 Sep 17 79.5 ns 261 Sep 18 79.8 ns 262 Sep 19 76.7 ns 263 Sep 20 72.5 ns 264 Sep 21 72.5 ns 265 Sep 22 73.5 ns 266 Sep 23 74.9 ns 267 Sep 24 74.2 ns 268 Sep 25 74.3 ns 269 Sep 26 70.2 ns 270 Sep 27 72.0 ns 271 Sep 28 72.1 ns 272 Sep 29 70.8 ns 273 Sep 30 69.3 ns 274 Oct 1 66.9 ns 275 Oct 2 67.7 ns 276 Oct 3 70.0 ns 277 Oct 4 70.3 ns 278 Oct 5 69.4 ns 279 Oct 6 68.4 ns 280 Oct 7 70.8 ns 281 Oct 8 70.6 ns 282 Oct 9 62.7 ns 283 Oct 10 62.5 ns 284 Oct 11 60.2 ns 285 Oct 12 52.8 ns 286 Oct 13 51.6 ns 287 Oct 14 55.0 ns 288 Oct 15 57.6 ns 289 Oct 16 59.7 ns 290 Oct 17 61.2 ns 291 Oct 18 61.4 ns 292 Oct 19 56.8 ns 293 Oct 20 58.9 ns 294 Oct 21 60.0 ns 295 Oct 22 59.9 ns 296 Oct 23 59.7 ns 297 Oct 24 63.0 ns 298 Oct 25 65.7 ns 299 Oct 26 58.0 ns 300 Oct 27 59.0 ns 301 Oct 28 59.1 ns 302 Oct 29 61.0 ns 303 Oct 30 60.2 ns 304 Oct 31 61.8 ns 305 Nov 1 62.7 ns