VOLUME 1 - E-Library - WMO

AEROSOL OPTICAL DEPTHDAILY AND MONTHLY MEANS (NATURAL LOGARITHMS)NCDC 22175 VERONA, ITALY ALTITUDE fo7 M YEAR 1992WMO lfo090 45 23N 10 52EMONTHLY MEAN .740 4fo 1.022 4fo 1.175 BETA .328MONTH DAY 500 N 380 N ALPHA DAY MONTH10 I .453 3 .fo50 3 1.315 I 1010 8 .fo2fo 2 .875 2 1.220 8 1010 13 .333 2 .442 2 1.030 13 1010 14 .34fo 7 .495 7 1.309 14 1010 15 .497 3 .fo5b 3 1.01 I 15 1010 18 .450 4 .fo43 4 1.299 18 1010 19 .277 2 .33fo 2 .710 19 1010 22 .212 14 .255 14 .fo78 22 1010 23 .375 5 .500 5 1.052 23 1010 25 .252 7 .334 7 1.020 25 1010 2fo · 195 9 .255 9 .970 2fo 1010 27 .318 8 .437 8 1.159 27 10MONTHLY MEAN .310 fofo .41fo fofo 1.074 BETA .147MONTH DAY 500 N 380 N ALPHA DAY MONTHI I 2 .375 I .415 I .374 2 I II I 4 .5b2 .fo04 .2foO 4 I II I 12 .299 4 .337 4 .438 12 I II I 14 · 132 8 .181 8 1. 144 14 I II I 18 .232 9 .27fo 9 .fo27 18 I I11 19 .177 5 .225 5 .8fo9 19 1111 20 .253 fo .323 fo .895 20 1111 21 .307 I .381 1 .790 21 I I1 I 23 .4fo9 3 .fo89 3 1.401 23 I I11 28 .420 4 .519 4 .7fo7 28 11I I 30 .457 5 .579 5 .8fo3 30 11MONTHLY MEAN .284 47 .357 47 .830 BETA .1 foOMONTH DAY 500 N 380 N ALPHA DAY MONTH12 4 .238 2 .257 2 .284 4 1212 I I .41fo .fo2fo 1.484 1 I 1212 13 .254 2 .323 2 .871 13 1212 18 .391 3 .44fo 3 .478 18 1212 19 .500 2 .590 2 .fo04 19 1212 20 .502 I .580 I .527 20 1212 25 .297 4 .428 4 1.330 25 1212 2fo .437 4 .578 4 1.018 2fo 1212 27 .1fo9 5 .218 5 .93fo 27 1212 28 .212 7 .273 7 .92f> 28 1212 29 .200 7 .253 7 .8fo2 29 1212 30 · 195 7 .239 7 .742 30 1212 31 .213 1 .280 I 1.000 31 12MONTHLY MEAN .2fo8 4fo .340 4fo .870 BETA . 147NCDC 22370 VITERBO, ITALY All I TUDE 300 M YEAR 1991WMO lfo21fo 42 2foN 12 4EMONTH DAY 500 N 380 N ALPHA DAY MONTH12 I .2fo9 2 .312 2 .542 I 1212 2 .270 I .31fo I .581 2 1212 5 .2fo3 .282 .250 5 1212 fo .37b .445 . fo 11 fo 12I - 45