Maricopa, 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 73.8 ns 123 May 2 73.5 ns 124 May 3 72.7 ns 125 May 4 72.9 ns 126 May 5 73.5 ns 127 May 6 74.2 ns 128 May 7 76.2 ns 129 May 8 76.8 ns 130 May 9 77.9 ns 131 May 10 78.4 ns 132 May 11 74.9 ns 133 May 12 73.1 ns 134 May 13 71.0 ns 135 May 14 70.3 ns 136 May 15 71.8 ns 137 May 16 75.1 ns 138 May 17 75.4 ns 139 May 18 73.9 ns 140 May 19 69.9 ns 141 May 20 65.1 ns 142 May 21 66.2 ns 143 May 22 70.6 ns 144 May 23 71.0 ns 145 May 24 72.0 ns 146 May 25 72.2 ns 147 May 26 73.7 ns 148 May 27 78.2 ns 149 May 28 82.0 ns 150 May 29 82.6 L1 151 May 30 82.2 ns 152 May 31 81.5 ns 153 Jun 1 81.1 ns 154 Jun 2 84.2 L1 155 Jun 3 84.2 L1 156 Jun 4 85.1 L1 157 Jun 5 81.1 ns 158 Jun 6 74.6 ns 159 Jun 7 75.0 ns 160 Jun 8 69.9 ns 161 Jun 9 69.0 ns 162 Jun 10 72.8 ns 163 Jun 11 77.2 ns 164 Jun 12 79.3 ns 165 Jun 13 77.1 ns 166 Jun 14 75.2 ns 167 Jun 15 77.4 ns 168 Jun 16 77.3 ns 169 Jun 17 76.6 ns 170 Jun 18 75.6 ns 171 Jun 19 75.2 ns 172 Jun 20 77.9 ns 173 Jun 21 79.8 ns 174 Jun 22 81.2 ns 175 Jun 23 80.8 ns 176 Jun 24 81.1 ns 177 Jun 25 81.1 ns 178 Jun 26 79.9 ns 179 Jun 27 80.9 ns 180 Jun 28 79.6 ns 181 Jun 29 78.1 ns 182 Jun 30 76.0 ns 183 Jul 1 77.4 ns 184 Jul 2 80.1 ns 185 Jul 3 84.5 L1 186 Jul 4 85.3 L1 187 Jul 5 84.9 L1 188 Jul 6 83.2 L1 189 Jul 7 84.3 L1 190 Jul 8 87.0 L2 191 Jul 9 85.2 L1 192 Jul 10 88.1 L2 193 Jul 11 89.8 L2 194 Jul 12 90.2 L2 195 Jul 13 88.3 L2 196 Jul 14 86.3 L2 197 Jul 15 85.6 L1 198 Jul 16 85.5 L1 199 Jul 17 86.2 L2 200 Jul 18 87.4 L2 201 Jul 19 88.2 L2 202 Jul 20 85.7 L1 203 Jul 21 86.8 L2 204 Jul 22 86.0 L1 205 Jul 23 82.9 L1 206 Jul 24 81.3 ns 207 Jul 25 83.1 L1 208 Jul 26 84.5 L1 209 Jul 27 86.1 L2 210 Jul 28 87.7 L2 211 Jul 29 88.1 L2 212 Jul 30 90.3 L2 213 Jul 31 90.6 L2 214 Aug 1 90.6 L2 215 Aug 2 88.9 L2 216 Aug 3 87.0 L2 217 Aug 4 85.9 L1 218 Aug 5 84.9 L1 219 Aug 6 81.7 ns 220 Aug 7 83.6 L1 221 Aug 8 85.3 L1 222 Aug 9 82.6 L1 223 Aug 10 83.7 L1 224 Aug 11 86.3 L2 225 Aug 12 85.8 L1 226 Aug 13 87.1 L2 227 Aug 14 87.5 L2 228 Aug 15 91.4 L2 229 Aug 16 87.8 L2 230 Aug 17 87.0 L2 231 Aug 18 86.5 L2 232 Aug 19 88.6 L2 233 Aug 20 88.5 L2 234 Aug 21 83.9 L1 235 Aug 22 88.0 L2 236 Aug 23 88.3 L2 237 Aug 24 88.2 L2 238 Aug 25 87.6 L2 239 Aug 26 86.3 L2 240 Aug 27 87.9 L2 241 Aug 28 86.4 L2 242 Aug 29 85.0 L1 243 Aug 30 79.4 ns 244 Aug 31 80.6 ns 245 Sep 1 84.8 L1 246 Sep 2 84.2 L1 247 Sep 3 86.4 L2 248 Sep 4 84.5 L1 249 Sep 5 85.8 L1 250 Sep 6 84.2 L1 251 Sep 7 85.6 L1 252 Sep 8 81.1 ns 253 Sep 9 68.5 ns 254 Sep 10 68.6 ns 255 Sep 11 67.5 ns 256 Sep 12 70.2 ns 257 Sep 13 73.8 ns 258 Sep 14 77.2 ns 259 Sep 15 77.5 ns 260 Sep 16 76.7 ns 261 Sep 17 76.6 ns 262 Sep 18 78.0 ns 263 Sep 19 78.5 ns 264 Sep 20 76.9 ns 265 Sep 21 80.2 ns 266 Sep 22 81.1 ns 267 Sep 23 78.8 ns 268 Sep 24 77.8 ns 269 Sep 25 78.7 ns 270 Sep 26 77.5 ns 271 Sep 27 75.4 ns 272 Sep 28 74.2 ns 273 Sep 29 76.7 ns 274 Sep 30 73.3 ns 275 Oct 1 73.3 ns 276 Oct 2 73.1 ns 277 Oct 3 72.8 ns 278 Oct 4 71.6 ns 279 Oct 5 71.5 ns 280 Oct 6 71.3 ns 281 Oct 7 71.0 ns 282 Oct 8 72.4 ns 283 Oct 9 72.1 ns 284 Oct 10 71.9 ns 285 Oct 11 70.2 ns 286 Oct 12 68.9 ns 287 Oct 13 69.0 ns 288 Oct 14 68.2 ns 289 Oct 15 70.9 ns 290 Oct 16 69.8 ns 291 Oct 17 68.1 ns 292 Oct 18 67.2 ns 293 Oct 19 66.8 ns 294 Oct 20 66.5 ns 295 Oct 21 66.1 ns 296 Oct 22 68.6 ns 297 Oct 23 70.2 ns 298 Oct 24 69.1 ns 299 Oct 25 68.7 ns 300 Oct 26 53.6 ns 301 Oct 27 47.7 ns 302 Oct 28 47.8 ns 303 Oct 29 54.6 ns 304 Oct 30 60.0 ns 305 Oct 31 61.0 ns