Yuma Valley, Arizona Cotton Heat Stress for 2011 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 62.9 ns 122 May 2 65.0 ns 123 May 3 65.6 ns 124 May 4 67.9 ns 125 May 5 69.3 ns 126 May 6 69.8 ns 127 May 7 69.9 ns 128 May 8 65.1 ns 129 May 9 60.1 ns 130 May 10 60.9 ns 131 May 11 62.8 ns 132 May 12 68.5 ns 133 May 13 71.5 ns 134 May 14 69.9 ns 135 May 15 64.3 ns 136 May 16 60.0 ns 137 May 17 62.5 ns 138 May 18 61.2 ns 139 May 19 61.2 ns 140 May 20 64.5 ns 141 May 21 67.6 ns 142 May 22 67.9 ns 143 May 23 65.1 ns 144 May 24 65.7 ns 145 May 25 69.1 ns 146 May 26 72.4 ns 147 May 27 76.6 ns 148 May 28 74.1 ns 149 May 29 63.4 ns 150 May 30 63.3 ns 151 May 31 67.7 ns 152 Jun 1 69.4 ns 153 Jun 2 69.1 ns 154 Jun 3 70.5 ns 155 Jun 4 69.1 ns 156 Jun 5 72.4 ns 157 Jun 6 70.4 ns 158 Jun 7 70.8 ns 159 Jun 8 72.4 ns 160 Jun 9 72.2 ns 161 Jun 10 72.8 ns 162 Jun 11 72.4 ns 163 Jun 12 71.8 ns 164 Jun 13 75.5 ns 165 Jun 14 76.8 ns 166 Jun 15 78.1 ns 167 Jun 16 76.9 ns 168 Jun 17 76.9 ns 169 Jun 18 78.0 ns 170 Jun 19 77.1 ns 171 Jun 20 77.4 ns 172 Jun 21 79.1 ns 173 Jun 22 79.7 ns 174 Jun 23 80.6 ns 175 Jun 24 80.3 ns 176 Jun 25 83.5 L1 177 Jun 26 82.9 L1 178 Jun 27 82.7 L1 179 Jun 28 81.9 ns 180 Jun 29 82.8 L1 181 Jun 30 78.0 ns 182 Jul 1 80.2 ns 183 Jul 2 83.0 L1 184 Jul 3 86.7 L2 185 Jul 4 86.1 L2 186 Jul 5 85.6 L1 187 Jul 6 84.1 L1 188 Jul 7 86.4 L2 189 Jul 8 86.8 L2 190 Jul 9 86.4 L2 191 Jul 10 86.8 L2 192 Jul 11 84.0 L1 193 Jul 12 80.6 ns 194 Jul 13 77.9 ns 195 Jul 14 77.1 ns 196 Jul 15 78.4 ns 197 Jul 16 78.5 ns 198 Jul 17 79.8 ns 199 Jul 18 83.7 L1 200 Jul 19 85.0 L1 201 Jul 20 85.5 L1 202 Jul 21 83.0 L1 203 Jul 22 83.0 L1 204 Jul 23 84.4 L1 205 Jul 24 83.7 L1 206 Jul 25 83.5 L1 207 Jul 26 84.4 L1 208 Jul 27 83.4 L1 209 Jul 28 83.7 L1 210 Jul 29 84.6 L1 211 Jul 30 86.2 L2 212 Jul 31 88.5 L2 213 Aug 1 87.5 L2 214 Aug 2 88.8 L2 215 Aug 3 89.7 L2 216 Aug 4 85.6 L1 217 Aug 5 81.8 ns 218 Aug 6 83.7 L1 219 Aug 7 86.8 L2 220 Aug 8 85.3 L1 221 Aug 9 84.1 L1 222 Aug 10 83.3 L1 223 Aug 11 83.6 L1 224 Aug 12 82.4 ns 225 Aug 13 83.0 L1 226 Aug 14 82.7 L1 227 Aug 15 83.8 L1 228 Aug 16 85.5 L1 229 Aug 17 87.6 L2 230 Aug 18 87.3 L2 231 Aug 19 86.1 L2 232 Aug 20 83.0 L1 233 Aug 21 81.3 ns 234 Aug 22 83.3 L1 235 Aug 23 87.2 L2 236 Aug 24 86.7 L2 237 Aug 25 88.4 L2 238 Aug 26 88.9 L2 239 Aug 27 89.7 L2 240 Aug 28 88.0 L2 241 Aug 29 87.8 L2 242 Aug 30 87.4 L2 243 Aug 31 84.0 L1 244 Sep 1 85.2 L1 245 Sep 2 85.3 L1 246 Sep 3 85.9 L1 247 Sep 4 85.3 L1 248 Sep 5 84.1 L1 249 Sep 6 84.4 L1 250 Sep 7 83.8 L1 251 Sep 8 88.4 L2 252 Sep 9 85.8 L1 253 Sep 10 81.5 ns 254 Sep 11 81.4 ns 255 Sep 12 81.1 ns 256 Sep 13 76.4 ns 257 Sep 14 75.1 ns 258 Sep 15 76.5 ns 259 Sep 16 77.4 ns 260 Sep 17 78.3 ns 261 Sep 18 78.1 ns 262 Sep 19 77.9 ns 263 Sep 20 76.9 ns 264 Sep 21 77.3 ns 265 Sep 22 79.1 ns 266 Sep 23 79.3 ns 267 Sep 24 79.5 ns 268 Sep 25 76.0 ns 269 Sep 26 75.4 ns 270 Sep 27 75.9 ns 271 Sep 28 76.1 ns 272 Sep 29 76.2 ns 273 Sep 30 79.2 ns