Summary statistics for nsrd dataset : by Jean Roth , jroth@nber.org , 15 Jun 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- usaf | 0 city | 0 stabbr | 0 tz | 225,680 -6.049539 2.406522 -9 10 lat | 225,680 39.80238 8.448702 13.48333 71.31667 -------------+--------------------------------------------------------- latcar | 0 latdeg | 225,680 39.30184 8.448624 13 71 latmin | 225,680 30.03226 17.22326 0 59 lon | 225,680 -9.864996 2.662238 -17.75 17.11667 loncar | 0 -------------+--------------------------------------------------------- londeg | 225,680 9.480415 2.21814 6 17 lonmin | 225,680 29.54954 17.08592 0 59 elev | 225,680 375.6382 499.605 -34 3026 pres | 225,680 970.5737 54.20863 708 1017 year | 225,680 2000.5 5.766294 1991 2010 -------------+--------------------------------------------------------- month | 225,680 7 3.741666 1 13 avglo | 225,680 4146.604 1813.619 0 8927 avglosf | 225,680 10.52826 .6227768 9 11 avglosfstr | 0 avglosu | 225,680 5.128501 1.446967 0 9 -------------+--------------------------------------------------------- sdglo | 225,680 1274.9 488.4246 0 2722 avdir | 225,680 4310.595 1780.397 0 12076 avdirsf | 225,680 10.52826 .6227768 9 11 avdirsfstr | 0 avdirsu | 225,680 6.593216 .7844296 0 9 -------------+--------------------------------------------------------- sddir | 225,680 2388.699 713.6219 0 5844 avdif | 225,680 1650.842 655.1128 0 3542 avdifsf | 225,680 10.52826 .6227768 9 11 avdifsfstr | 0 avdifsu | 225,680 5.128501 1.446967 0 9 -------------+--------------------------------------------------------- sddif | 225,680 423.6268 162.0027 0 1225 avetr | 225,680 7885.411 2773.81 0 11846 aetrn | 225,680 16551.76 2617.717 0 31778 tot | 225,680 5.078108 1.77598 0 10 opq | 225,680 4.570671 1.694025 0 9.8 -------------+--------------------------------------------------------- h2o | 225,680 1.890351 1.034812 .18 6 tau | 225,680 .1181641 .0558087 .02 .51 max_t | 225,680 18.07677 10.20055 -9.99 45.11 min_t | 225,680 6.989106 9.929691 -38.05 31.81 avg_t | 225,680 12.31896 10.0759 -34 38.6 -------------+--------------------------------------------------------- avgdt | 225,680 14.19999 10.27009 -33.26 40.45 rh | 225,680 67.43046 12.24115 8 99 htdd | 225,680 440.4383 884.0931 0 11377 cldd | 225,680 109.7956 267.0734 0 3792 avws | 225,680 3.596071 1.178541 0 23.9 by Jean Roth , jroth@nber.org , 15 Jun 2016