Safford, Arizona Cotton Heat Stress for 2018 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 64.0 ns 122 May 2 58.0 ns 123 May 3 57.7 ns 124 May 4 61.3 ns 125 May 5 65.5 ns 126 May 6 70.3 ns 127 May 7 71.4 ns 128 May 8 70.5 ns 129 May 9 72.2 ns 130 May 10 72.4 ns 131 May 11 75.2 ns 132 May 12 74.1 ns 133 May 13 68.8 ns 134 May 14 69.8 ns 135 May 15 70.8 ns 136 May 16 69.1 ns 137 May 17 70.1 ns 138 May 18 69.4 ns 139 May 19 66.7 ns 140 May 20 68.9 ns 141 May 21 69.1 ns 142 May 22 70.2 ns 143 May 23 70.8 ns 144 May 24 71.7 ns 145 May 25 72.0 ns 146 May 26 72.5 ns 147 May 27 68.3 ns 148 May 28 70.1 ns 149 May 29 72.3 ns 150 May 30 73.3 ns 151 May 31 74.1 ns 152 Jun 1 72.1 ns 153 Jun 2 73.2 ns 154 Jun 3 74.5 ns 155 Jun 4 74.5 ns 156 Jun 5 75.1 ns 157 Jun 6 75.9 ns 158 Jun 7 76.6 ns 159 Jun 8 76.8 ns 160 Jun 9 76.4 ns 161 Jun 10 76.2 ns 162 Jun 11 73.5 ns 163 Jun 12 74.3 ns 164 Jun 13 77.4 ns 165 Jun 14 80.5 ns 166 Jun 15 76.3 ns 167 Jun 16 67.5 ns 168 Jun 17 70.5 ns 169 Jun 18 74.6 ns 169 Jun 18 74.6 ns 170 Jun 19 74.4 ns 171 Jun 20 75.7 ns 172 Jun 21 79.3 ns 173 Jun 22 77.4 ns 174 Jun 23 75.9 ns 175 Jun 24 79.4 ns 176 Jun 25 77.8 ns 177 Jun 26 76.7 ns 178 Jun 27 77.5 ns 179 Jun 28 77.7 ns 180 Jun 29 76.0 ns 181 Jun 30 73.7 ns 182 Jul 1 73.5 ns 183 Jul 2 76.0 ns 184 Jul 3 77.0 ns 185 Jul 4 79.8 ns 186 Jul 5 80.9 ns 187 Jul 6 81.7 ns 188 Jul 7 79.5 ns 189 Jul 8 78.2 ns 190 Jul 9 77.4 ns 191 Jul 10 75.9 ns 192 Jul 11 74.4 ns 193 Jul 12 74.1 ns 194 Jul 13 75.8 ns 195 Jul 14 76.1 ns 196 Jul 15 76.0 ns 197 Jul 16 76.7 ns 198 Jul 17 76.4 ns 199 Jul 18 80.0 ns 200 Jul 19 80.4 ns 201 Jul 20 81.3 ns 202 Jul 21 81.9 ns 203 Jul 22 82.3 ns 204 Jul 23 82.2 ns 205 Jul 24 83.3 L1 206 Jul 25 84.0 L1 207 Jul 26 82.4 L1 208 Jul 27 81.9 ns 209 Jul 28 80.5 ns 210 Jul 29 81.0 ns 211 Jul 30 78.6 ns 212 Jul 31 80.4 ns 213 Aug 1 79.3 ns 214 Aug 2 78.7 ns 215 Aug 3 81.4 ns 216 Aug 4 81.9 ns 217 Aug 5 82.9 L1 218 Aug 6 82.3 ns 219 Aug 7 80.4 ns 220 Aug 8 78.8 ns 221 Aug 9 76.7 ns 222 Aug 10 75.9 ns 223 Aug 11 75.8 ns 224 Aug 12 74.6 ns 225 Aug 13 76.6 ns 226 Aug 14 76.1 ns 227 Aug 15 75.0 ns 228 Aug 16 77.0 ns 229 Aug 17 78.0 ns 230 Aug 18 80.0 ns 231 Aug 19 81.8 ns 232 Aug 20 80.0 ns 233 Aug 21 74.9 ns 234 Aug 22 75.9 ns 235 Aug 23 73.7 ns 236 Aug 24 72.9 ns 237 Aug 25 73.4 ns 238 Aug 26 76.0 ns 239 Aug 27 76.2 ns 240 Aug 28 72.5 ns 241 Aug 29 73.0 ns 242 Aug 30 76.9 ns 243 Aug 31 76.6 ns 244 Sep 1 74.0 ns 245 Sep 2 70.0 ns 246 Sep 3 70.4 ns 247 Sep 4 70.8 ns 248 Sep 5 73.2 ns 249 Sep 6 73.5 ns 250 Sep 7 73.2 ns 251 Sep 8 75.1 ns 252 Sep 9 75.4 ns 253 Sep 10 74.7 ns 254 Sep 11 72.9 ns 255 Sep 12 72.9 ns 256 Sep 13 71.5 ns 257 Sep 14 73.0 ns 258 Sep 15 76.7 ns 259 Sep 16 77.0 ns 260 Sep 17 77.2 ns 261 Sep 18 78.6 ns 262 Sep 19 71.9 ns 263 Sep 20 71.9 ns 264 Sep 21 71.9 ns 265 Sep 22 71.3 ns 266 Sep 23 67.8 ns 267 Sep 24 71.1 ns 268 Sep 25 73.9 ns 269 Sep 26 71.6 ns 270 Sep 27 72.2 ns 271 Sep 28 69.3 ns 272 Sep 29 69.6 ns 273 Sep 30 72.5 ns 274 Oct 1 69.5 ns 275 Oct 2 71.8 ns 276 Oct 3 72.2 ns 277 Oct 4 68.7 ns 278 Oct 5 63.6 ns 279 Oct 6 62.8 ns 280 Oct 7 58.5 ns 281 Oct 8 54.4 ns 282 Oct 9 52.9 ns 283 Oct 10 54.2 ns 284 Oct 11 61.6 ns 285 Oct 12 60.6 ns 286 Oct 13 58.9 ns 287 Oct 14 58.3 ns 288 Oct 15 52.0 ns 289 Oct 16 44.4 ns 290 Oct 17 50.4 ns 291 Oct 18 53.1 ns 292 Oct 19 57.4 ns 293 Oct 20 63.7 ns 294 Oct 21 61.7 ns 295 Oct 22 61.8 ns 296 Oct 23 61.2 ns 297 Oct 24 57.9 ns 298 Oct 25 58.3 ns 299 Oct 26 57.4 ns 300 Oct 27 56.6 ns 301 Oct 28 57.5 ns 302 Oct 29 58.7 ns 303 Oct 30 60.5 ns 304 Oct 31 55.7 ns 305 Nov 1 47.7 ns