AVN MOS mean maximum temperature errors for selected sites for 2001 +/- indicates a 95% confidence interval calculated around the mean sd = standard deviation, abserr = absolute error 24 hr 36 hr 48 hr 60 hr 72 hr KATL mean bias -0.563 +/- 0.330 -0.856 +/- 0.381 -1.028 +/- 0.400 -1.589 +/- 0.460 -1.223 +/- 0.499 KATL sd bias 3.174 3.650 3.845 4.407 4.802 KATL mean abserr 2.394 +/- 0.224 2.839 +/- 0.255 2.955 +/- 0.277 3.578 +/- 0.315 3.752 +/- 0.336 KATL sd abserr 2.156 2.445 2.662 3.020 3.230 KBOS mean bias 0.105 +/- 0.347 -0.219 +/- 0.375 -0.198 +/- 0.442 -0.611 +/- 0.494 -0.012 +/- 0.516 KBOS sd bias 3.286 3.548 4.181 4.665 4.885 KBOS mean abserr 2.523 +/- 0.222 2.813 +/- 0.229 3.186 +/- 0.286 3.553 +/- 0.326 3.703 +/- 0.336 KBOS sd abserr 2.104 2.167 2.709 3.079 3.180 KCLE mean bias -0.272 +/- 0.328 -0.487 +/- 0.346 -0.538 +/- 0.379 -0.761 +/- 0.424 -0.479 +/- 0.441 KCLE sd bias 3.163 3.322 3.658 4.079 4.249 KCLE mean abserr 2.412 +/- 0.214 2.634 +/- 0.216 2.852 +/- 0.244 3.206 +/- 0.273 3.325 +/- 0.278 KCLE sd abserr 2.060 2.078 2.348 2.629 2.683 KCVG mean bias -0.047 +/- 0.327 -0.506 +/- 0.350 -0.192 +/- 0.385 -0.640 +/- 0.421 -0.689 +/- 0.444 KCVG sd bias 3.162 3.375 3.725 4.068 4.298 KCVG mean abserr 2.458 +/- 0.205 2.684 +/- 0.218 2.886 +/- 0.244 3.204 +/- 0.267 3.289 +/- 0.294 KCVG sd abserr 1.986 2.102 2.358 2.582 2.847 KDCA mean bias 0.524 +/- 0.365 0.418 +/- 0.405 0.504 +/- 0.430 0.346 +/- 0.473 0.238 +/- 0.507 KDCA sd bias 3.484 3.853 4.096 4.494 4.830 KDCA mean abserr 2.662 +/- 0.242 2.965 +/- 0.262 3.152 +/- 0.279 3.579 +/- 0.288 3.756 +/- 0.319 KDCA sd abserr 2.303 2.490 2.658 2.733 3.039 KDEN mean bias -0.212 +/- 0.499 -0.916 +/- 0.592 -1.009 +/- 0.662 -1.156 +/- 0.741 -0.660 +/- 0.829 KDEN sd bias 4.658 5.512 6.180 6.899 7.740 KDEN mean abserr 3.454 +/- 0.335 4.273 +/- 0.386 4.901 +/- 0.416 5.559 +/- 0.455 6.152 +/- 0.507 KDEN sd abserr 3.128 3.593 3.888 4.236 4.731 KDFW mean bias 1.121 +/- 0.393 0.784 +/- 0.467 0.607 +/- 0.529 0.207 +/- 0.555 0.582 +/- 0.589 KDFW sd bias 3.774 4.475 5.082 5.315 5.656 KDFW mean abserr 2.941 +/- 0.272 3.375 +/- 0.317 3.890 +/- 0.346 3.980 +/- 0.368 4.390 +/- 0.376 KDFW sd abserr 2.614 3.036 3.320 3.522 3.607 KGGW mean bias -1.410 +/- 0.485 -1.983 +/- 0.522 -0.983 +/- 0.555 -1.494 +/- 0.601 -0.958 +/- 0.588 KGGW sd bias 4.653 4.996 5.331 5.757 5.644 KGGW mean abserr 3.709 +/- 0.327 4.165 +/- 0.354 4.164 +/- 0.361 4.540 +/- 0.401 4.291 +/- 0.394 KGGW sd abserr 3.138 3.393 3.465 3.835 3.783 KIAH mean bias 1.106 +/- 0.338 0.744 +/- 0.387 0.821 +/- 0.417 0.671 +/- 0.473 0.966 +/- 0.471 KIAH sd bias 3.263 3.722 4.027 4.557 4.550 KIAH mean abserr 2.520 +/- 0.243 2.705 +/- 0.276 2.983 +/- 0.292 3.256 +/- 0.338 3.425 +/- 0.326 KIAH sd abserr 2.346 2.659 2.822 3.253 3.142 KJFK mean bias 0.142 +/- 0.313 0.017 +/- 0.353 0.089 +/- 0.385 -0.129 +/- 0.402 -0.370 +/- 0.420 KJFK sd bias 3.030 3.404 3.722 3.871 4.062 KJFK mean abserr 2.331 +/- 0.200 2.650 +/- 0.221 2.869 +/- 0.245 2.902 +/- 0.266 3.084 +/- 0.276 KJFK sd abserr 1.937 2.133 2.368 2.560 2.664 KLAS mean bias 0.242 +/- 0.280 -0.040 +/- 0.312 -1.008 +/- 0.351 -1.390 +/- 0.383 -0.826 +/- 0.388 KLAS sd bias 2.691 2.991 3.376 3.677 3.732 KLAS mean abserr 1.989 +/- 0.190 2.215 +/- 0.209 2.705 +/- 0.234 3.124 +/- 0.248 2.949 +/- 0.252 KLAS sd abserr 1.826 2.007 2.254 2.381 2.426 KLAX mean bias 0.848 +/- 0.323 1.242 +/- 0.374 1.925 +/- 0.383 1.855 +/- 0.383 1.903 +/- 0.389 KLAX sd bias 3.128 3.613 3.717 3.707 3.772 KLAX mean abserr 2.416 +/- 0.223 2.914 +/- 0.255 3.305 +/- 0.265 3.214 +/- 0.270 3.343 +/- 0.266 KLAX sd abserr 2.157 2.468 2.566 2.613 2.578 KMCI mean bias -0.317 +/- 0.351 -0.839 +/- 0.439 -1.045 +/- 0.488 -1.715 +/- 0.535 -1.070 +/- 0.554 KMCI sd bias 3.380 4.217 4.704 5.144 5.343 KMCI mean abserr 2.574 +/- 0.229 3.341 +/- 0.281 3.616 +/- 0.330 4.155 +/- 0.362 4.134 +/- 0.367 KMCI sd abserr 2.209 2.702 3.179 3.478 3.542 KMEM mean bias -0.451 +/- 0.306 -0.854 +/- 0.343 -0.994 +/- 0.375 -1.462 +/- 0.411 -1.298 +/- 0.464 KMEM sd bias 2.954 3.305 3.628 3.961 4.484 KMEM mean abserr 2.245 +/- 0.204 2.608 +/- 0.228 2.861 +/- 0.252 3.249 +/- 0.279 3.565 +/- 0.311 KMEM sd abserr 1.969 2.199 2.439 2.692 3.008 KMIA mean bias -0.113 +/- 0.206 -0.182 +/- 0.224 -0.139 +/- 0.235 -0.333 +/- 0.247 -0.054 +/- 0.261 KMIA sd bias 1.971 2.138 2.251 2.359 2.499 KMIA mean abserr 1.354 +/- 0.150 1.516 +/- 0.159 1.601 +/- 0.166 1.718 +/- 0.172 1.748 +/- 0.186 KMIA sd abserr 1.435 1.517 1.587 1.648 1.784 KMSP mean bias -0.466 +/- 0.411 -0.806 +/- 0.456 -0.908 +/- 0.505 -1.042 +/- 0.545 -0.866 +/- 0.624 KMSP sd bias 3.963 4.394 4.873 5.243 6.019 KMSP mean abserr 3.137 +/- 0.255 3.497 +/- 0.288 3.925 +/- 0.313 4.272 +/- 0.333 4.827 +/- 0.382 KMSP sd abserr 2.461 2.774 3.020 3.206 3.690 KOKC mean bias 0.190 +/- 0.394 -0.389 +/- 0.462 -0.896 +/- 0.508 -1.383 +/- 0.527 -0.608 +/- 0.574 KOKC sd bias 3.799 4.442 4.900 5.062 5.531 KOKC mean abserr 2.846 +/- 0.261 3.408 +/- 0.298 3.754 +/- 0.339 4.025 +/- 0.350 4.221 +/- 0.375 KOKC sd abserr 2.520 2.869 3.269 3.360 3.618 KORD mean bias -0.020 +/- 0.347 -0.566 +/- 0.378 -0.179 +/- 0.429 -0.730 +/- 0.483 -0.375 +/- 0.530 KORD sd bias 3.346 3.631 4.137 4.645 5.104 KORD mean abserr 2.613 +/- 0.216 2.842 +/- 0.242 3.188 +/- 0.274 3.535 +/- 0.322 3.944 +/- 0.338 KORD sd abserr 2.084 2.325 2.637 3.095 3.255 KPHX mean bias -1.219 +/- 0.278 -1.766 +/- 0.325 -1.958 +/- 0.336 -1.901 +/- 0.368 -1.806 +/- 0.390 KPHX sd bias 2.672 3.115 3.238 3.536 3.750 KPHX mean abserr 2.326 +/- 0.186 2.867 +/- 0.223 3.053 +/- 0.232 3.268 +/- 0.242 3.346 +/- 0.257 KPHX sd abserr 1.791 2.141 2.232 2.327 2.472 KSEA mean bias 0.062 +/- 0.334 -0.190 +/- 0.354 0.071 +/- 0.373 0.233 +/- 0.369 0.280 +/- 0.387 KSEA sd bias 3.209 3.389 3.579 3.531 3.714 KSEA mean abserr 2.435 +/- 0.217 2.634 +/- 0.223 2.749 +/- 0.238 2.699 +/- 0.239 2.845 +/- 0.250 KSEA sd abserr 2.087 2.138 2.288 2.285 2.400 KSFO mean bias 1.087 +/- 0.399 1.274 +/- 0.426 1.654 +/- 0.454 1.653 +/- 0.468 0.795 +/- 0.475 KSFO sd bias 3.842 4.093 4.368 4.493 4.570 KSFO mean abserr 3.025 +/- 0.270 3.291 +/- 0.286 3.553 +/- 0.315 3.664 +/- 0.320 3.503 +/- 0.315 KSFO sd abserr 2.602 2.743 3.028 3.076 3.035 KSLC mean bias 0.025 +/- 0.445 0.256 +/- 0.507 -0.390 +/- 0.539 -0.096 +/- 0.556 0.644 +/- 0.530 KSLC sd bias 4.271 4.851 5.178 5.334 5.084 KSLC mean abserr 3.116 +/- 0.304 3.608 +/- 0.339 3.994 +/- 0.345 4.091 +/- 0.357 3.791 +/- 0.359 KSLC sd abserr 2.916 3.248 3.311 3.418 3.443