Yuma Valley, Arizona Cotton Heat Stress for 2019 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 66.5 ns 122 May 2 66.9 ns 123 May 3 69.2 ns 124 May 4 70.1 ns 125 May 5 70.6 ns 126 May 6 66.7 ns 127 May 7 67.1 ns 128 May 8 67.6 ns 129 May 9 68.3 ns 130 May 10 66.8 ns 131 May 11 67.3 ns 132 May 12 70.2 ns 133 May 13 72.6 ns 134 May 14 74.3 ns 135 May 15 74.8 ns 136 May 16 69.0 ns 137 May 17 64.0 ns 138 May 18 68.6 ns 139 May 19 65.2 ns 140 May 20 62.3 ns 141 May 21 62.0 ns 142 May 22 61.0 ns 143 May 23 61.1 ns 144 May 24 65.5 ns 145 May 25 66.5 ns 146 May 26 65.1 ns 147 May 27 63.3 ns 148 May 28 65.0 ns 149 May 29 69.5 ns 150 May 30 71.4 ns 151 May 31 71.1 ns 152 Jun 1 71.0 ns 153 Jun 2 70.8 ns 154 Jun 3 70.8 ns 155 Jun 4 72.6 ns 156 Jun 5 75.0 ns 157 Jun 6 75.5 ns 158 Jun 7 74.7 ns 159 Jun 8 75.7 ns 160 Jun 9 75.7 ns 161 Jun 10 78.5 ns 162 Jun 11 79.8 ns 163 Jun 12 82.4 ns 164 Jun 13 83.3 L1 165 Jun 14 77.6 ns 166 Jun 15 78.7 ns 167 Jun 16 77.7 ns 168 Jun 17 77.6 ns 169 Jun 18 76.3 ns 170 Jun 19 76.2 ns 171 Jun 20 78.2 ns 172 Jun 21 76.7 ns 173 Jun 22 76.7 ns 174 Jun 23 76.0 ns 175 Jun 24 76.4 ns 176 Jun 25 76.2 ns 177 Jun 26 76.0 ns 178 Jun 27 75.6 ns 179 Jun 28 77.8 ns 180 Jun 29 82.0 ns 181 Jun 30 83.0 L1 182 Jul 1 84.1 L1 183 Jul 2 80.7 ns 184 Jul 3 79.0 ns 185 Jul 4 78.8 ns 186 Jul 5 79.1 ns 187 Jul 6 78.6 ns 188 Jul 7 78.5 ns 189 Jul 8 77.5 ns 190 Jul 9 78.3 ns 191 Jul 10 81.0 ns 192 Jul 11 84.0 L1 193 Jul 12 84.9 L1 194 Jul 13 86.7 L2 195 Jul 14 87.0 L2 196 Jul 15 86.3 L2 197 Jul 16 86.7 L2 198 Jul 17 84.4 L1 199 Jul 18 83.6 L1 200 Jul 19 83.5 L1 201 Jul 20 82.7 L1 202 Jul 21 86.4 L2 203 Jul 22 86.6 L2 204 Jul 23 87.1 L2 205 Jul 24 85.4 L1 206 Jul 25 86.5 L2 207 Jul 26 87.5 L2 208 Jul 27 88.7 L2 209 Jul 28 89.3 L2 210 Jul 29 87.2 L2 211 Jul 30 87.6 L2 212 Jul 31 86.6 L2 213 Aug 1 86.2 L2 214 Aug 2 86.4 L2 215 Aug 3 86.8 L2 216 Aug 4 87.9 L2 217 Aug 5 86.9 L2 218 Aug 6 89.2 L2 219 Aug 7 87.4 L2 220 Aug 8 86.3 L2 221 Aug 9 86.0 L2 222 Aug 10 84.6 L1 223 Aug 11 82.6 L1 224 Aug 12 81.4 ns 225 Aug 13 82.2 ns 226 Aug 14 84.9 L1 227 Aug 15 87.1 L2 228 Aug 16 85.9 L1 229 Aug 17 85.0 L1 230 Aug 18 82.8 L1 231 Aug 19 83.4 L1 232 Aug 20 82.5 L1 233 Aug 21 83.3 L1 234 Aug 22 86.1 L2 235 Aug 23 86.6 L2 236 Aug 24 86.2 L2 237 Aug 25 86.8 L2 238 Aug 26 87.4 L2 239 Aug 27 86.2 L2 240 Aug 28 86.2 L2 241 Aug 29 87.9 L2 242 Aug 30 87.2 L2 243 Aug 31 87.4 L2 244 Sep 1 88.7 L2 245 Sep 2 86.5 L2 246 Sep 3 87.3 L2 247 Sep 4 88.0 L2 248 Sep 5 88.5 L2 249 Sep 6 87.8 L2 250 Sep 7 86.2 L2 251 Sep 8 82.7 L1 252 Sep 9 82.2 ns 253 Sep 10 79.8 ns 254 Sep 11 78.6 ns 255 Sep 12 78.7 ns 256 Sep 13 80.7 ns 257 Sep 14 80.7 ns 258 Sep 15 85.5 L1 259 Sep 16 84.4 L1 260 Sep 17 80.5 ns 261 Sep 18 78.4 ns 262 Sep 19 77.1 ns 263 Sep 20 73.7 ns 264 Sep 21 72.1 ns 265 Sep 22 76.7 ns 266 Sep 23 83.8 L1 267 Sep 24 75.3 ns 268 Sep 25 73.8 ns 269 Sep 26 74.3 ns 270 Sep 27 76.6 ns 271 Sep 28 75.1 ns 272 Sep 29 69.3 ns 273 Sep 30 66.7 ns 274 Oct 1 67.4 ns 275 Oct 2 68.5 ns 276 Oct 3 71.1 ns 277 Oct 4 70.1 ns 278 Oct 5 70.3 ns 279 Oct 6 71.4 ns 280 Oct 7 71.4 ns 281 Oct 8 70.8 ns 282 Oct 9 71.2 ns 283 Oct 10 65.6 ns 284 Oct 11 64.4 ns 285 Oct 12 63.0 ns 286 Oct 13 64.8 ns 287 Oct 14 70.3 ns 288 Oct 15 70.1 ns 289 Oct 16 73.0 ns 290 Oct 17 71.7 ns 291 Oct 18 67.4 ns 292 Oct 19 64.2 ns 293 Oct 20 66.4 ns 294 Oct 21 67.0 ns 295 Oct 22 69.4 ns 296 Oct 23 68.5 ns 297 Oct 24 70.2 ns 298 Oct 25 68.5 ns 299 Oct 26 63.7 ns 300 Oct 27 68.0 ns 301 Oct 28 55.6 ns 302 Oct 29 51.9 ns 303 Oct 30 51.9 ns 304 Oct 31 52.9 ns 305 Nov 1 55.6 ns