Yuma Valley, Arizona Cotton Heat Stress for 2015 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 71.2 ns 122 May 2 70.1 ns 123 May 3 70.6 ns 124 May 4 67.6 ns 125 May 5 67.1 ns 126 May 6 66.9 ns 127 May 7 62.3 ns 128 May 8 58.4 ns 129 May 9 60.6 ns 130 May 10 65.2 ns 131 May 11 68.2 ns 132 May 12 67.6 ns 133 May 13 67.9 ns 134 May 14 63.2 ns 135 May 15 56.3 ns 136 May 16 59.0 ns 137 May 17 65.7 ns 138 May 18 65.5 ns 139 May 19 66.4 ns 140 May 20 65.9 ns 141 May 21 66.6 ns 142 May 22 63.6 ns 143 May 23 64.9 ns 144 May 24 64.5 ns 145 May 25 67.9 ns 146 May 26 68.7 ns 147 May 27 70.0 ns 148 May 28 70.2 ns 149 May 29 71.7 ns 150 May 30 72.7 ns 151 May 31 75.2 ns 152 Jun 1 75.9 ns 153 Jun 2 76.3 ns 154 Jun 3 74.0 ns 155 Jun 4 72.5 ns 156 Jun 5 70.8 ns 157 Jun 6 71.3 ns 158 Jun 7 72.5 ns 159 Jun 8 76.1 ns 160 Jun 9 74.8 ns 161 Jun 10 76.9 ns 162 Jun 11 76.6 ns 163 Jun 12 76.5 ns 164 Jun 13 76.7 ns 165 Jun 14 78.1 ns 166 Jun 15 79.3 ns 167 Jun 16 79.8 ns 168 Jun 17 81.1 ns 169 Jun 18 81.7 ns 170 Jun 19 78.9 ns 171 Jun 20 80.5 ns 172 Jun 21 80.0 ns 173 Jun 22 80.0 ns 174 Jun 23 80.1 ns 175 Jun 24 80.1 ns 176 Jun 25 80.9 ns 177 Jun 26 81.8 ns 178 Jun 27 82.5 L1 179 Jun 28 84.4 L1 180 Jun 29 85.3 L1 181 Jun 30 83.0 L1 182 Jul 1 80.8 ns 183 Jul 2 82.5 L1 184 Jul 3 81.7 ns 185 Jul 4 85.0 L1 186 Jul 5 83.4 L1 187 Jul 6 82.4 ns 188 Jul 7 81.3 ns 189 Jul 8 79.0 ns 190 Jul 9 77.1 ns 191 Jul 10 76.2 ns 192 Jul 11 75.6 ns 193 Jul 12 76.9 ns 194 Jul 13 80.3 ns 195 Jul 14 80.8 ns 196 Jul 15 79.8 ns 197 Jul 16 81.1 ns 198 Jul 17 84.4 L1 199 Jul 18 81.4 ns 200 Jul 19 80.6 ns 201 Jul 20 82.8 L1 202 Jul 21 81.5 ns 203 Jul 22 80.7 ns 204 Jul 23 81.6 ns 205 Jul 24 82.6 L1 206 Jul 25 82.3 ns 207 Jul 26 82.5 L1 208 Jul 27 80.4 ns 209 Jul 28 83.7 L1 210 Jul 29 84.9 L1 211 Jul 30 86.0 L2 212 Jul 31 86.5 L2 213 Aug 1 86.6 L2 214 Aug 2 84.7 L1 215 Aug 3 83.1 L1 216 Aug 4 82.9 L1 217 Aug 5 85.6 L1 218 Aug 6 87.9 L2 219 Aug 7 85.4 L1 220 Aug 8 82.0 ns 221 Aug 9 83.8 L1 222 Aug 10 81.7 ns 223 Aug 11 81.7 ns 224 Aug 12 85.6 L1 225 Aug 13 87.4 L2 226 Aug 14 88.1 L2 227 Aug 15 87.9 L2 228 Aug 16 90.2 L2 229 Aug 17 87.8 L2 230 Aug 18 85.6 L1 231 Aug 19 84.8 L1 232 Aug 20 84.8 L1 233 Aug 21 86.3 L2 234 Aug 22 85.4 L1 235 Aug 23 83.8 L1 236 Aug 24 84.2 L1 237 Aug 25 83.4 L1 238 Aug 26 85.0 L1 239 Aug 27 87.2 L2 240 Aug 28 87.6 L2 241 Aug 29 87.4 L2 242 Aug 30 85.8 L1 243 Aug 31 83.5 L1 244 Sep 1 84.3 L1 245 Sep 2 81.2 ns 246 Sep 3 81.2 ns 247 Sep 4 82.7 L1 248 Sep 5 83.2 L1 249 Sep 6 84.0 L1 250 Sep 7 84.4 L1 251 Sep 8 83.2 L1 252 Sep 9 81.2 ns 253 Sep 10 81.8 ns 254 Sep 11 82.6 L1 255 Sep 12 81.0 ns 256 Sep 13 83.6 L1 257 Sep 14 82.4 L1 258 Sep 15 78.3 ns 259 Sep 16 78.9 ns 260 Sep 17 76.3 ns 261 Sep 18 77.0 ns 262 Sep 19 79.9 ns 263 Sep 20 83.4 L1 264 Sep 21 79.6 ns 265 Sep 22 78.3 ns 266 Sep 23 79.2 ns 267 Sep 24 81.7 ns 268 Sep 25 82.8 L1 269 Sep 26 83.6 L1 270 Sep 27 82.8 L1 271 Sep 28 82.8 L1 272 Sep 29 80.6 ns 273 Sep 30 80.5 ns 274 Oct 1 79.6 ns 275 Oct 2 76.5 ns 276 Oct 3 74.0 ns 277 Oct 4 74.1 ns 278 Oct 5 70.5 ns 279 Oct 6 70.1 ns 280 Oct 7 69.8 ns 281 Oct 8 73.5 ns