Coolidge, 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 70.1 ns 123 May 3 65.7 ns 124 May 4 67.5 ns 125 May 5 68.7 ns 126 May 6 72.8 ns 127 May 7 70.6 ns 128 May 8 68.4 ns 129 May 9 68.9 ns 130 May 10 67.9 ns 131 May 11 67.4 ns 132 May 12 69.4 ns 133 May 13 71.7 ns 134 May 14 72.9 ns 135 May 15 72.8 ns 136 May 16 68.4 ns 137 May 17 66.3 ns 138 May 18 69.4 ns 139 May 19 73.4 ns 140 May 20 74.1 ns 141 May 21 69.0 ns 142 May 22 60.5 ns 143 May 23 60.2 ns 144 May 24 63.7 ns 145 May 25 68.0 ns 146 May 26 70.8 ns 147 May 27 70.0 ns 148 May 28 72.3 ns 149 May 29 73.2 ns 150 May 30 72.7 ns 151 May 31 74.5 ns 152 Jun 1 76.0 ns 153 Jun 2 77.0 ns 154 Jun 3 77.9 ns 155 Jun 4 77.2 ns 156 Jun 5 77.4 ns 157 Jun 6 75.2 ns 158 Jun 7 73.0 ns 159 Jun 8 72.7 ns 160 Jun 9 73.9 ns 161 Jun 10 73.6 ns 162 Jun 11 73.6 ns 163 Jun 12 74.7 ns 164 Jun 13 77.6 ns 165 Jun 14 79.9 ns 166 Jun 15 83.7 L1 167 Jun 16 84.3 L1 168 Jun 17 85.8 L1 169 Jun 18 85.3 L1 170 Jun 19 84.9 L1 171 Jun 20 84.8 L1 172 Jun 21 84.0 L1 173 Jun 22 81.8 ns 174 Jun 23 79.4 ns 175 Jun 24 81.1 ns 176 Jun 25 82.6 L1 177 Jun 26 80.0 ns 178 Jun 27 81.3 ns 179 Jun 28 85.1 L1 180 Jun 29 83.7 L1 181 Jun 30 81.7 ns 182 Jul 1 83.6 L1 183 Jul 2 85.0 L1 184 Jul 3 82.6 L1 185 Jul 4 83.1 L1 186 Jul 5 84.3 L1 187 Jul 6 83.9 L1 188 Jul 7 83.9 L1 189 Jul 8 87.7 L2 190 Jul 9 87.6 L2 191 Jul 10 84.1 L1 192 Jul 11 84.2 L1 193 Jul 12 85.7 L1 194 Jul 13 85.2 L1 195 Jul 14 80.2 ns 196 Jul 15 81.7 ns 197 Jul 16 80.8 ns 198 Jul 17 83.0 L1 199 Jul 18 82.3 ns 200 Jul 19 84.7 L1 201 Jul 20 85.6 L1 202 Jul 21 85.5 L1 203 Jul 22 82.6 L1 204 Jul 23 75.1 ns 205 Jul 24 73.9 ns 206 Jul 25 75.3 ns 207 Jul 26 79.9 ns 208 Jul 27 81.7 ns 209 Jul 28 82.8 L1 210 Jul 29 83.2 L1 211 Jul 30 81.7 ns 212 Jul 31 81.2 ns 213 Aug 1 83.6 L1 214 Aug 2 84.9 L1 215 Aug 3 84.7 L1 216 Aug 4 83.4 L1 217 Aug 5 85.1 L1 218 Aug 6 85.2 L1 219 Aug 7 82.9 L1 220 Aug 8 84.7 L1 221 Aug 9 78.8 ns 222 Aug 10 79.5 ns 223 Aug 11 80.3 ns 224 Aug 12 80.9 ns 225 Aug 13 82.0 ns 226 Aug 14 79.1 ns 227 Aug 15 82.6 L1 228 Aug 16 82.8 L1 229 Aug 17 77.7 ns 230 Aug 18 79.7 ns 231 Aug 19 78.9 ns 232 Aug 20 79.8 ns 233 Aug 21 79.6 ns 234 Aug 22 79.5 ns 235 Aug 23 76.8 ns 236 Aug 24 78.0 ns 237 Aug 25 81.7 ns 238 Aug 26 82.1 ns 239 Aug 27 82.4 L1 240 Aug 28 82.1 ns 241 Aug 29 83.5 L1 242 Aug 30 83.8 L1 243 Aug 31 78.0 ns 244 Sep 1 77.6 ns 245 Sep 2 78.6 ns 246 Sep 3 78.5 ns 247 Sep 4 80.4 ns 248 Sep 5 80.1 ns 249 Sep 6 79.6 ns 250 Sep 7 81.3 ns 251 Sep 8 81.8 ns 252 Sep 9 80.0 ns 253 Sep 10 79.4 ns 254 Sep 11 80.5 ns 255 Sep 12 78.3 ns 256 Sep 13 77.3 ns 257 Sep 14 77.8 ns 258 Sep 15 75.0 ns 259 Sep 16 74.9 ns 260 Sep 17 77.6 ns 261 Sep 18 76.9 ns 262 Sep 19 77.4 ns 263 Sep 20 72.0 ns 263 Sep 20 72.0 ns 264 Sep 21 70.6 ns 265 Sep 22 73.2 ns 266 Sep 23 73.1 ns 267 Sep 24 69.0 ns 268 Sep 25 73.3 ns 269 Sep 26 68.9 ns 270 Sep 27 71.5 ns 271 Sep 28 71.9 ns 272 Sep 29 69.3 ns 273 Sep 30 67.7 ns 274 Oct 1 65.8 ns 275 Oct 2 65.7 ns 276 Oct 3 69.4 ns 277 Oct 4 71.3 ns 278 Oct 5 69.6 ns 279 Oct 6 67.9 ns 280 Oct 7 68.1 ns 281 Oct 8 68.7 ns 282 Oct 9 66.1 ns 283 Oct 10 59.0 ns 284 Oct 11 61.0 ns 285 Oct 12 52.7 ns 286 Oct 13 48.4 ns 287 Oct 14 52.0 ns 288 Oct 15 55.5 ns 289 Oct 16 60.8 ns 290 Oct 17 63.0 ns 291 Oct 18 61.6 ns 292 Oct 19 61.3 ns 293 Oct 20 58.5 ns 294 Oct 21 59.3 ns 295 Oct 22 60.4 ns 296 Oct 23 59.8 ns 297 Oct 24 60.7 ns 298 Oct 25 65.4 ns 299 Oct 26 58.6 ns 300 Oct 27 50.6 ns 301 Oct 28 54.6 ns 302 Oct 29 58.8 ns 303 Oct 30 58.5 ns 304 Oct 31 59.0 ns 305 Nov 1 57.9 ns