NGM 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 ATL mean bias 0.633 +/- 0.323 0.862 +/- 0.384 0.596 +/- 0.401 0.621 +/- 0.450 ATL sd bias 3.096 3.686 3.845 4.322 ATL mean abserr 2.379 +/- 0.216 3.003 +/- 0.240 3.037 +/- 0.253 3.328 +/- 0.294 ATL sd abserr 2.077 2.300 2.428 2.821 BOS mean bias -0.332 +/- 0.381 0.642 +/- 0.427 -0.265 +/- 0.449 -0.190 +/- 0.491 BOS sd bias 3.600 4.045 4.241 4.636 BOS mean abserr 2.764 +/- 0.246 3.201 +/- 0.270 3.239 +/- 0.290 3.641 +/- 0.304 BOS sd abserr 2.326 2.550 2.745 2.869 CLE mean bias 0.166 +/- 0.308 0.607 +/- 0.362 0.171 +/- 0.395 0.522 +/- 0.455 CLE sd bias 2.968 3.490 3.805 4.379 CLE mean abserr 2.284 +/- 0.197 2.646 +/- 0.244 2.874 +/- 0.259 3.455 +/- 0.284 CLE sd abserr 1.899 2.351 2.495 2.734 CVG mean bias -0.404 +/- 0.305 0.203 +/- 0.337 -0.343 +/- 0.390 -0.100 +/- 0.452 CVG sd bias 2.952 3.257 3.771 4.369 CVG mean abserr 2.209 +/- 0.207 2.476 +/- 0.219 2.855 +/- 0.257 3.309 +/- 0.295 CVG sd abserr 1.997 2.122 2.483 2.849 DCA mean bias -0.425 +/- 0.350 -0.052 +/- 0.382 -0.259 +/- 0.412 -0.307 +/- 0.461 DCA sd bias 3.331 3.634 3.919 4.385 DCA mean abserr 2.552 +/- 0.229 2.897 +/- 0.230 3.132 +/- 0.248 3.532 +/- 0.274 DCA sd abserr 2.178 2.190 2.363 2.610 DEN mean bias 2.174 +/- 0.521 2.093 +/- 0.596 1.605 +/- 0.632 1.231 +/- 0.713 DEN sd bias 4.861 5.557 5.896 6.646 DEN mean abserr 3.844 +/- 0.395 4.314 +/- 0.437 4.563 +/- 0.435 5.189 +/- 0.464 DEN sd abserr 3.680 4.075 4.057 4.323 DFW mean bias 0.935 +/- 0.361 1.405 +/- 0.460 1.229 +/- 0.492 1.850 +/- 0.552 DFW sd bias 3.457 4.413 4.717 5.292 DFW mean abserr 2.782 +/- 0.235 3.552 +/- 0.309 3.717 +/- 0.328 4.161 +/- 0.391 DFW sd abserr 2.250 2.966 3.149 3.751 GGW mean bias -0.399 +/- 0.495 0.195 +/- 0.564 -0.547 +/- 0.600 0.278 +/- 0.703 GGW sd bias 4.748 5.409 5.751 6.743 GGW mean abserr 3.669 +/- 0.317 4.246 +/- 0.349 4.439 +/- 0.385 5.241 +/- 0.443 GGW sd abserr 3.035 3.348 3.689 4.243 IAH mean bias 0.465 +/- 0.340 1.445 +/- 0.420 0.765 +/- 0.456 1.050 +/- 0.507 IAH sd bias 3.276 4.050 4.392 4.887 IAH mean abserr 2.403 +/- 0.236 3.120 +/- 0.306 3.151 +/- 0.327 3.577 +/- 0.362 IAH sd abserr 2.271 2.955 3.149 3.486 JFK mean bias 0.067 +/- 0.314 0.394 +/- 0.352 -0.508 +/- 0.376 -0.022 +/- 0.426 JFK sd bias 3.027 3.403 3.628 4.110 JFK mean abserr 2.302 +/- 0.203 2.573 +/- 0.234 2.855 +/- 0.237 3.162 +/- 0.271 JFK sd abserr 1.963 2.258 2.291 2.620 LAS mean bias 0.865 +/- 0.291 0.789 +/- 0.314 0.611 +/- 0.338 0.428 +/- 0.353 LAS sd bias 2.800 3.022 3.250 3.389 LAS mean abserr 2.251 +/- 0.195 2.366 +/- 0.212 2.532 +/- 0.221 2.524 +/- 0.239 LAS sd abserr 1.874 2.035 2.122 2.299 LAX mean bias 1.403 +/- 0.314 2.342 +/- 0.352 2.183 +/- 0.364 2.689 +/- 0.391 LAX sd bias 3.038 3.404 3.520 3.789 LAX mean abserr 2.575 +/- 0.220 3.108 +/- 0.281 3.156 +/- 0.277 3.617 +/- 0.301 LAX sd abserr 2.133 2.719 2.680 2.913 MCI mean bias -0.413 +/- 0.390 0.014 +/- 0.476 -0.520 +/- 0.541 0.247 +/- 0.592 MCI sd bias 3.756 4.579 5.211 5.700 MCI mean abserr 2.840 +/- 0.258 3.317 +/- 0.327 3.862 +/- 0.367 4.331 +/- 0.385 MCI sd abserr 2.488 3.151 3.530 3.706 MEM mean bias -0.014 +/- 0.290 0.575 +/- 0.338 -0.095 +/- 0.378 -0.053 +/- 0.457 MEM sd bias 2.799 3.263 3.647 4.412 MEM mean abserr 2.092 +/- 0.192 2.503 +/- 0.225 2.777 +/- 0.245 3.232 +/- 0.311 MEM sd abserr 1.856 2.168 2.362 2.999 MIA mean bias 0.341 +/- 0.210 0.463 +/- 0.231 0.145 +/- 0.257 0.466 +/- 0.270 MIA sd bias 2.014 2.212 2.460 2.584 MIA mean abserr 1.494 +/- 0.145 1.599 +/- 0.167 1.702 +/- 0.186 1.926 +/- 0.186 MIA sd abserr 1.390 1.595 1.780 1.782 MSP mean bias -0.269 +/- 0.410 -0.261 +/- 0.501 -0.392 +/- 0.541 0.277 +/- 0.597 MSP sd bias 3.951 4.826 5.217 5.751 MSP mean abserr 2.997 +/- 0.268 3.723 +/- 0.319 4.000 +/- 0.349 4.518 +/- 0.369 MSP sd abserr 2.584 3.077 3.366 3.561 OKC mean bias -0.382 +/- 0.386 0.112 +/- 0.470 -0.756 +/- 0.528 0.098 +/- 0.567 OKC sd bias 3.718 4.524 5.083 5.463 OKC mean abserr 2.815 +/- 0.255 3.466 +/- 0.302 4.008 +/- 0.333 4.166 +/- 0.367 OKC sd abserr 2.455 2.903 3.209 3.528 ORD mean bias 0.441 +/- 0.354 0.941 +/- 0.400 0.531 +/- 0.458 0.652 +/- 0.554 ORD sd bias 3.406 3.848 4.409 5.336 ORD mean abserr 2.671 +/- 0.224 3.014 +/- 0.267 3.390 +/- 0.297 4.079 +/- 0.363 ORD sd abserr 2.154 2.567 2.862 3.496 PHX mean bias 0.772 +/- 0.303 0.654 +/- 0.323 0.899 +/- 0.355 0.885 +/- 0.385 PHX sd bias 2.917 3.102 3.408 3.700 PHX mean abserr 2.225 +/- 0.212 2.389 +/- 0.216 2.718 +/- 0.233 2.941 +/- 0.251 PHX sd abserr 2.035 2.081 2.240 2.409 SEA mean bias 1.365 +/- 0.320 1.581 +/- 0.355 1.615 +/- 0.375 1.671 +/- 0.412 SEA sd bias 3.071 3.400 3.592 3.949 SEA mean abserr 2.493 +/- 0.235 2.895 +/- 0.248 2.975 +/- 0.269 3.348 +/- 0.279 SEA sd abserr 2.251 2.380 2.578 2.675 SFO mean bias 1.135 +/- 0.359 1.589 +/- 0.456 1.127 +/- 0.460 1.259 +/- 0.495 SFO sd bias 3.452 4.383 4.423 4.762 SFO mean abserr 2.786 +/- 0.242 3.594 +/- 0.308 3.425 +/- 0.313 3.761 +/- 0.330 SFO sd abserr 2.330 2.964 3.012 3.176 SLC mean bias 1.416 +/- 0.414 1.422 +/- 0.459 1.125 +/- 0.478 1.201 +/- 0.528 SLC sd bias 3.967 4.402 4.580 5.063 SLC mean abserr 3.178 +/- 0.288 3.377 +/- 0.329 3.538 +/- 0.325 3.915 +/- 0.357 SLC sd abserr 2.760 3.157 3.112 3.422