Yuma Valley, Arizona Cotton Heat Stress for 2009 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 70.0 ns 123 May 3 72.2 ns 124 May 4 73.0 ns 125 May 5 75.5 ns 126 May 6 73.9 ns 127 May 7 75.2 ns 128 May 8 75.1 ns 129 May 9 74.5 ns 130 May 10 73.6 ns 131 May 11 73.5 ns 132 May 12 73.0 ns 133 May 13 73.0 ns 134 May 14 73.2 ns 135 May 15 71.6 ns 136 May 16 73.1 ns 137 May 17 75.9 ns 138 May 18 79.9 ns 139 May 19 82.4 L1 140 May 20 76.9 ns 141 May 21 76.5 ns 142 May 22 75.2 ns 143 May 23 73.4 ns 144 May 24 73.4 ns 145 May 25 72.8 ns 146 May 26 72.3 ns 147 May 27 73.1 ns 148 May 28 74.4 ns 149 May 29 73.7 ns 150 May 30 73.1 ns 151 May 31 74.8 ns 152 Jun 1 74.8 ns 153 Jun 2 74.1 ns 154 Jun 3 75.7 ns 155 Jun 4 75.3 ns 156 Jun 5 68.4 ns 157 Jun 6 69.1 ns 158 Jun 7 69.4 ns 159 Jun 8 71.9 ns 160 Jun 9 72.0 ns 161 Jun 10 72.2 ns 162 Jun 11 72.2 ns 163 Jun 12 71.6 ns 164 Jun 13 72.6 ns 165 Jun 14 73.1 ns 166 Jun 15 72.5 ns 167 Jun 16 73.7 ns 168 Jun 17 76.1 ns 169 Jun 18 76.9 ns 170 Jun 19 77.9 ns 171 Jun 20 77.2 ns 172 Jun 21 76.0 ns 173 Jun 22 75.6 ns 174 Jun 23 75.4 ns 175 Jun 24 78.2 ns 176 Jun 25 78.6 ns 177 Jun 26 81.5 ns 178 Jun 27 83.0 L1 179 Jun 28 83.4 L1 180 Jun 29 85.7 L1 181 Jun 30 84.9 L1 182 Jul 1 85.4 L1 183 Jul 2 85.6 L1 184 Jul 3 86.1 L2 185 Jul 4 86.2 L2 186 Jul 5 83.9 L1 187 Jul 6 85.8 L1 188 Jul 7 84.1 L1 189 Jul 8 81.0 ns 190 Jul 9 80.6 ns 191 Jul 10 83.8 L1 192 Jul 11 85.0 L1 193 Jul 12 85.6 L1 194 Jul 13 86.3 L2 195 Jul 14 85.3 L1 196 Jul 15 87.2 L2 197 Jul 16 87.1 L2 198 Jul 17 87.2 L2 199 Jul 18 87.8 L2 200 Jul 19 88.9 L2 201 Jul 20 88.4 L2 202 Jul 21 88.5 L2 203 Jul 22 87.9 L2 204 Jul 23 85.8 L1 205 Jul 24 86.9 L2 206 Jul 25 85.7 L1 207 Jul 26 86.0 L1 208 Jul 27 88.7 L2 209 Jul 28 87.3 L2 210 Jul 29 87.1 L2 211 Jul 30 85.0 L1 212 Jul 31 82.9 L1 213 Aug 1 82.4 L1 214 Aug 2 83.3 L1 215 Aug 3 85.3 L1 216 Aug 4 87.6 L2 217 Aug 5 86.4 L2 218 Aug 6 83.3 L1 219 Aug 7 76.7 ns 220 Aug 8 78.2 ns 221 Aug 9 77.3 ns 222 Aug 10 81.7 ns 223 Aug 11 85.3 L1 224 Aug 12 83.6 L1 225 Aug 13 86.5 L2 226 Aug 14 84.6 L1 227 Aug 15 80.9 ns 228 Aug 16 78.3 ns 229 Aug 17 80.6 ns 230 Aug 18 79.5 ns 231 Aug 19 84.7 L1 232 Aug 20 85.2 L1 233 Aug 21 85.0 L1 234 Aug 22 83.2 L1 235 Aug 23 84.4 L1 236 Aug 24 82.5 L1 237 Aug 25 85.0 L1 238 Aug 26 82.6 L1 239 Aug 27 83.0 L1 240 Aug 28 85.2 L1 241 Aug 29 86.1 L2 242 Aug 30 86.7 L2 243 Aug 31 86.3 L2 244 Sep 1 86.7 L2 245 Sep 2 86.6 L2 246 Sep 3 85.7 L1 247 Sep 4 86.1 L2 248 Sep 5 82.5 L1 249 Sep 6 82.3 ns 250 Sep 7 83.7 L1 251 Sep 8 83.4 L1 252 Sep 9 84.1 L1 253 Sep 10 84.4 L1 254 Sep 11 84.3 L1 255 Sep 12 83.8 L1 256 Sep 13 82.6 L1 257 Sep 14 78.5 ns 258 Sep 15 75.6 ns 259 Sep 16 77.0 ns 260 Sep 17 78.9 ns 261 Sep 18 80.3 ns 262 Sep 19 81.2 ns 263 Sep 20 81.5 ns 264 Sep 21 79.7 ns 265 Sep 22 80.8 ns 266 Sep 23 75.1 ns 267 Sep 24 73.8 ns 268 Sep 25 76.6 ns 269 Sep 26 77.0 ns 270 Sep 27 77.3 ns 271 Sep 28 77.1 ns 272 Sep 29 77.6 ns 273 Sep 30 74.0 ns