Yuma Valley, Arizona Cotton Heat Stress for 2013 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 71.9 ns 122 May 2 70.1 ns 123 May 3 70.2 ns 124 May 4 69.5 ns 125 May 5 67.0 ns 126 May 6 66.9 ns 127 May 7 65.5 ns 128 May 8 64.8 ns 129 May 9 67.6 ns 130 May 10 69.2 ns 131 May 11 73.5 ns 132 May 12 75.3 ns 133 May 13 76.1 ns 134 May 14 76.0 ns 135 May 15 73.5 ns 136 May 16 73.1 ns 137 May 17 71.1 ns 138 May 18 71.1 ns 139 May 19 71.2 ns 140 May 20 72.0 ns 141 May 21 72.0 ns 142 May 22 73.9 ns 143 May 23 72.7 ns 144 May 24 70.6 ns 145 May 25 72.3 ns 146 May 26 72.0 ns 147 May 27 73.9 ns 148 May 28 72.4 ns 149 May 29 73.0 ns 150 May 30 74.7 ns 151 May 31 76.5 ns 152 Jun 1 78.2 ns 153 Jun 2 78.7 ns 154 Jun 3 76.5 ns 155 Jun 4 76.5 ns 156 Jun 5 76.2 ns 157 Jun 6 77.3 ns 158 Jun 7 78.7 ns 159 Jun 8 78.1 ns 160 Jun 9 76.6 ns 161 Jun 10 77.8 ns 162 Jun 11 78.0 ns 163 Jun 12 79.9 ns 164 Jun 13 78.8 ns 165 Jun 14 77.8 ns 166 Jun 15 77.6 ns 167 Jun 16 75.6 ns 168 Jun 17 76.8 ns 169 Jun 18 77.0 ns 170 Jun 19 76.6 ns 171 Jun 20 76.2 ns 172 Jun 21 77.2 ns 173 Jun 22 77.8 ns 174 Jun 23 77.5 ns 175 Jun 24 77.2 ns 176 Jun 25 79.0 ns 177 Jun 26 79.8 ns 178 Jun 27 81.2 ns 179 Jun 28 85.4 L1 180 Jun 29 87.7 L2 181 Jun 30 84.9 L1 182 Jul 1 87.3 L2 183 Jul 2 85.7 L1 184 Jul 3 83.3 L1 185 Jul 4 84.7 L1 186 Jul 5 82.9 L1 187 Jul 6 82.6 L1 188 Jul 7 84.0 L1 189 Jul 8 85.6 L1 190 Jul 9 85.0 L1 191 Jul 10 84.0 L1 192 Jul 11 83.7 L1 193 Jul 12 84.5 L1 194 Jul 13 85.5 L1 195 Jul 14 87.4 L2 196 Jul 15 87.3 L2 197 Jul 16 83.8 L1 198 Jul 17 83.8 L1 199 Jul 18 85.7 L1 200 Jul 19 86.1 L2 201 Jul 20 84.0 L1 202 Jul 21 81.1 ns 203 Jul 22 82.4 ns 204 Jul 23 84.4 L1 205 Jul 24 86.2 L2 206 Jul 25 83.7 L1 207 Jul 26 86.4 L2 208 Jul 27 86.0 L2 209 Jul 28 84.1 L1 210 Jul 29 81.7 ns 211 Jul 30 84.0 L1 212 Jul 31 83.3 L1 213 Aug 1 82.9 L1 214 Aug 2 81.6 ns 215 Aug 3 80.3 ns 216 Aug 4 81.4 ns 217 Aug 5 81.0 ns 218 Aug 6 83.2 L1 219 Aug 7 80.5 ns 220 Aug 8 79.3 ns 221 Aug 9 81.1 ns 222 Aug 10 78.0 ns 223 Aug 11 77.8 ns 224 Aug 12 78.7 ns 225 Aug 13 79.3 ns 226 Aug 14 81.8 ns 227 Aug 15 86.6 L2 228 Aug 16 87.5 L2 229 Aug 17 86.2 L2 230 Aug 18 88.3 L2 231 Aug 19 87.3 L2 232 Aug 20 85.6 L1 233 Aug 21 86.8 L2 234 Aug 22 85.1 L1 235 Aug 23 85.1 L1 236 Aug 24 82.9 L1 237 Aug 25 80.6 ns 238 Aug 26 81.4 ns 239 Aug 27 85.7 L1 240 Aug 28 86.7 L2 241 Aug 29 82.9 L1 242 Aug 30 85.2 L1 243 Aug 31 86.8 L2 244 Sep 1 86.1 L2 245 Sep 2 85.7 L1 246 Sep 3 87.1 L2 247 Sep 4 85.1 L1 248 Sep 5 85.9 L1 249 Sep 6 85.1 L1 250 Sep 7 81.8 ns 251 Sep 8 82.2 ns 252 Sep 9 79.7 ns 253 Sep 10 79.4 ns 254 Sep 11 81.7 ns 255 Sep 12 81.9 ns 256 Sep 13 81.7 ns 257 Sep 14 82.4 ns 258 Sep 15 83.2 L1 259 Sep 16 83.1 L1 260 Sep 17 82.3 ns 261 Sep 18 78.4 ns 262 Sep 19 76.7 ns 263 Sep 20 78.6 ns 264 Sep 21 79.3 ns 265 Sep 22 72.0 ns 266 Sep 23 71.0 ns 267 Sep 24 72.5 ns 268 Sep 25 73.1 ns 269 Sep 26 69.3 ns 270 Sep 27 67.5 ns 271 Sep 28 68.5 ns 272 Sep 29 70.0 ns 273 Sep 30 69.9 ns