AVN MOS mean minimum 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 -0.593 +/- 0.262 -0.726 +/- 0.278 -0.958 +/- 0.305 -0.899 +/- 0.327 -0.888 +/- 0.375 KATL sd bias 2.524 2.686 2.938 3.157 3.607 KATL mean abserr 2.059 +/- 0.163 2.179 +/- 0.179 2.424 +/- 0.199 2.570 +/- 0.211 2.809 +/- 0.252 KATL sd abserr 1.572 1.727 1.913 2.039 2.426 KBOS mean bias 0.357 +/- 0.258 0.379 +/- 0.277 0.270 +/- 0.297 0.023 +/- 0.301 0.054 +/- 0.340 KBOS sd bias 2.469 2.657 2.842 2.893 3.259 KBOS mean abserr 1.858 +/- 0.173 2.023 +/- 0.183 2.156 +/- 0.195 2.153 +/- 0.201 2.503 +/- 0.218 KBOS sd abserr 1.661 1.760 1.868 1.929 2.084 KCLE mean bias -0.531 +/- 0.315 -0.565 +/- 0.332 -0.743 +/- 0.372 -0.770 +/- 0.419 -1.051 +/- 0.457 KCLE sd bias 3.023 3.200 3.574 4.036 4.389 KCLE mean abserr 2.384 +/- 0.201 2.593 +/- 0.203 2.935 +/- 0.226 3.242 +/- 0.262 3.508 +/- 0.295 KCLE sd abserr 1.929 1.954 2.166 2.519 2.833 KCVG mean bias -0.669 +/- 0.317 -0.729 +/- 0.346 -1.126 +/- 0.373 -1.047 +/- 0.419 -1.410 +/- 0.492 KCVG sd bias 3.052 3.336 3.593 4.043 4.738 KCVG mean abserr 2.506 +/- 0.193 2.791 +/- 0.203 2.986 +/- 0.238 3.249 +/- 0.271 3.798 +/- 0.328 KCVG sd abserr 1.862 1.963 2.290 2.619 3.158 KDCA mean bias 0.816 +/- 0.273 0.896 +/- 0.277 0.873 +/- 0.314 0.963 +/- 0.333 0.511 +/- 0.352 KDCA sd bias 2.617 2.669 3.015 3.204 3.378 KDCA mean abserr 2.099 +/- 0.183 2.177 +/- 0.185 2.455 +/- 0.203 2.593 +/- 0.219 2.703 +/- 0.217 KDCA sd abserr 1.760 1.782 1.953 2.111 2.085 KDEN mean bias -1.817 +/- 0.439 -1.504 +/- 0.421 -1.742 +/- 0.448 -1.840 +/- 0.471 -2.203 +/- 0.501 KDEN sd bias 4.193 4.023 4.273 4.503 4.777 KDEN mean abserr 3.680 +/- 0.283 3.430 +/- 0.270 3.702 +/- 0.288 3.846 +/- 0.311 4.158 +/- 0.338 KDEN sd abserr 2.704 2.580 2.749 2.973 3.217 KDFW mean bias 0.461 +/- 0.308 0.624 +/- 0.362 0.262 +/- 0.373 0.027 +/- 0.408 -0.127 +/- 0.434 KDFW sd bias 2.987 3.526 3.619 3.972 4.215 KDFW mean abserr 2.273 +/- 0.205 2.607 +/- 0.252 2.671 +/- 0.253 2.940 +/- 0.274 3.116 +/- 0.292 KDFW sd abserr 1.987 2.451 2.452 2.666 2.837 KGGW mean bias -0.348 +/- 0.436 -0.560 +/- 0.462 -0.518 +/- 0.512 -0.471 +/- 0.523 -0.312 +/- 0.590 KGGW sd bias 4.217 4.483 4.952 5.071 5.705 KGGW mean abserr 3.295 +/- 0.274 3.512 +/- 0.292 3.727 +/- 0.341 3.740 +/- 0.356 4.228 +/- 0.397 KGGW sd abserr 2.648 2.835 3.296 3.451 3.836 KIAH mean bias -0.075 +/- 0.310 -0.378 +/- 0.328 -0.644 +/- 0.345 -0.779 +/- 0.367 -0.961 +/- 0.422 KIAH sd bias 2.998 3.182 3.343 3.560 4.083 KIAH mean abserr 2.264 +/- 0.203 2.307 +/- 0.229 2.478 +/- 0.241 2.657 +/- 0.256 2.994 +/- 0.303 KIAH sd abserr 1.963 2.221 2.332 2.490 2.934 KJFK mean bias 0.637 +/- 0.267 0.700 +/- 0.283 0.473 +/- 0.319 0.521 +/- 0.350 0.273 +/- 0.379 KJFK sd bias 2.562 2.727 3.065 3.377 3.647 KJFK mean abserr 2.045 +/- 0.173 2.207 +/- 0.181 2.377 +/- 0.207 2.633 +/- 0.225 2.735 +/- 0.252 KJFK sd abserr 1.667 1.744 1.987 2.173 2.423 KLAS mean bias -0.503 +/- 0.287 -0.901 +/- 0.292 -1.253 +/- 0.327 -1.326 +/- 0.328 -0.983 +/- 0.345 KLAS sd bias 2.779 2.836 3.161 3.188 3.338 KLAS mean abserr 2.242 +/- 0.177 2.359 +/- 0.187 2.697 +/- 0.214 2.773 +/- 0.211 2.772 +/- 0.217 KLAS sd abserr 1.713 1.810 2.067 2.053 2.099 KLAX mean bias 0.454 +/- 0.209 0.150 +/- 0.217 0.905 +/- 0.252 0.630 +/- 0.240 0.894 +/- 0.254 KLAX sd bias 2.012 2.097 2.427 2.317 2.448 KLAX mean abserr 1.613 +/- 0.133 1.621 +/- 0.138 2.076 +/- 0.160 1.916 +/- 0.149 2.087 +/- 0.162 KLAX sd abserr 1.282 1.335 1.546 1.443 1.558 KMCI mean bias -0.548 +/- 0.327 -0.749 +/- 0.353 -1.427 +/- 0.412 -1.366 +/- 0.463 -1.632 +/- 0.525 KMCI sd bias 3.167 3.431 3.990 4.504 5.093 KMCI mean abserr 2.565 +/- 0.199 2.799 +/- 0.218 3.393 +/- 0.261 3.675 +/- 0.302 4.019 +/- 0.363 KMCI sd abserr 1.933 2.117 2.533 2.936 3.522 KMEM mean bias 0.045 +/- 0.276 -0.194 +/- 0.285 -0.694 +/- 0.340 -0.850 +/- 0.372 -0.933 +/- 0.407 KMEM sd bias 2.672 2.764 3.289 3.603 3.936 KMEM mean abserr 2.100 +/- 0.170 2.116 +/- 0.184 2.549 +/- 0.226 2.762 +/- 0.254 3.045 +/- 0.275 KMEM sd abserr 1.648 1.785 2.187 2.462 2.659 KMIA mean bias -0.393 +/- 0.238 -0.416 +/- 0.242 -0.093 +/- 0.268 -0.160 +/- 0.259 -0.203 +/- 0.303 KMIA sd bias 2.283 2.334 2.572 2.494 2.907 KMIA mean abserr 1.805 +/- 0.151 1.893 +/- 0.148 2.048 +/- 0.162 1.997 +/- 0.156 2.294 +/- 0.187 KMIA sd abserr 1.449 1.424 1.556 1.498 1.793 KMSP mean bias -1.172 +/- 0.367 -0.881 +/- 0.437 -1.439 +/- 0.492 -1.171 +/- 0.538 -1.506 +/- 0.605 KMSP sd bias 3.548 4.239 4.764 5.218 5.860 KMSP mean abserr 2.961 +/- 0.235 3.461 +/- 0.267 4.017 +/- 0.303 4.276 +/- 0.330 4.911 +/- 0.364 KMSP sd abserr 2.275 2.594 2.931 3.204 3.525 KOKC mean bias 0.453 +/- 0.313 0.461 +/- 0.340 0.244 +/- 0.377 -0.017 +/- 0.421 -0.597 +/- 0.485 KOKC sd bias 3.033 3.300 3.651 4.087 4.693 KOKC mean abserr 2.386 +/- 0.199 2.610 +/- 0.213 2.733 +/- 0.251 3.077 +/- 0.277 3.586 +/- 0.318 KOKC sd abserr 1.923 2.067 2.428 2.685 3.080 KORD mean bias 0.209 +/- 0.349 0.097 +/- 0.383 -0.318 +/- 0.427 -0.208 +/- 0.458 -0.508 +/- 0.520 KORD sd bias 3.369 3.704 4.125 4.431 5.016 KORD mean abserr 2.623 +/- 0.220 2.942 +/- 0.232 3.307 +/- 0.257 3.442 +/- 0.288 3.916 +/- 0.328 KORD sd abserr 2.120 2.248 2.479 2.792 3.169 KPHX mean bias -1.222 +/- 0.266 -1.674 +/- 0.266 -2.008 +/- 0.299 -2.536 +/- 0.310 -2.083 +/- 0.323 KPHX sd bias 2.579 2.578 2.898 3.010 3.123 KPHX mean abserr 2.189 +/- 0.189 2.398 +/- 0.198 2.814 +/- 0.219 3.204 +/- 0.235 3.000 +/- 0.233 KPHX sd abserr 1.829 1.921 2.122 2.283 2.254 KPUB mean bias -0.110 +/- 0.495 -0.341 +/- 0.502 -0.685 +/- 0.535 -0.602 +/- 0.522 -0.707 +/- 0.538 KPUB sd bias 4.805 4.889 5.191 5.078 5.218 KPUB mean abserr 3.613 +/- 0.326 3.692 +/- 0.331 3.890 +/- 0.361 3.887 +/- 0.341 3.967 +/- 0.356 KPUB sd abserr 3.163 3.217 3.500 3.316 3.457 KSEA mean bias -0.262 +/- 0.248 -0.091 +/- 0.254 -0.097 +/- 0.261 -0.072 +/- 0.274 -0.125 +/- 0.295 KSEA sd bias 2.398 2.464 2.521 2.653 2.855 KSEA mean abserr 1.877 +/- 0.156 1.914 +/- 0.160 1.969 +/- 0.163 2.061 +/- 0.172 2.214 +/- 0.186 KSEA sd abserr 1.512 1.551 1.574 1.669 1.802 KSFO mean bias -0.405 +/- 0.256 -0.697 +/- 0.258 -0.128 +/- 0.283 -0.283 +/- 0.294 -0.463 +/- 0.292 KSFO sd bias 2.447 2.475 2.706 2.814 2.797 KSFO mean abserr 1.812 +/- 0.177 1.892 +/- 0.181 2.054 +/- 0.184 2.119 +/- 0.195 2.162 +/- 0.191 KSFO sd abserr 1.692 1.739 1.763 1.870 1.830 KSLC mean bias -0.582 +/- 0.428 -0.776 +/- 0.443 -1.008 +/- 0.482 -0.947 +/- 0.477 -0.855 +/- 0.513 KSLC sd bias 4.134 4.299 4.661 4.624 4.963 KSLC mean abserr 3.178 +/- 0.279 3.330 +/- 0.291 3.610 +/- 0.322 3.590 +/- 0.315 3.813 +/- 0.340 KSLC sd abserr 2.701 2.822 3.110 3.058 3.284