2003 Mixing Height Data (adjusted)

Monthly Avg    Std Dev   By Local Time of Day       By Local Time of Day and Season
Jan     502.5   391.6    Hour  Annual Avg  Std Dev  Winter Avg  Spring Avg  Summer Avg  Fall Avg
Feb     500.4   393.3     1    318         264      396          293          290         262
Mar     519.9   499.6     2    355         355      437          301          298         347
Apr     592.0   640.2     3    348         336      407          308          341         308
May     643.8   651.6     4    330         285      334          309          299         339
Jun     817.1   820.9     5    344         330      357          295          370         323
Jul     848.3   887.5     6    342         322      377          300          349         314
Aug     836.9   935.9     7    337         306      355          321          288         326
Sep     700.6   747.1     8    352         297      365          344          319         320
Oct     603.3   678.8     9    392         301      350          382          454         342
Nov     514.0   456.4    10    551         405      419          500          754         577
Dec     494.8   417.6    11    804         594      527          679         1210         834
                         12   1044         674      624          889         1577        1105
Annual  Max   4875.0     13   1173         732      710          967         1817        1229
        Min     75.0     14   1223         713      791         1001         1727        1385
        Avg    631.6     15   1347         791      851         1265         1827        1455
        St Dv  665.2     16   1413         821      904         1324         1895        1539
                         17   1394         814      933         1339         1845        1478
                         18   1223         915      730         1281         1822        1076
                         19    781         830      499          842         1486         366
                         20    395         516      467          492          505         276
                         21    348         336      445          360          301         277
                         22    318         277      426          310          271         269
                         23    319         286      425          323          270         260
                         24    331         318      448          308          319         250