Table 9.  Contents and Format of the 56-character EDITED CLOUD REPORT
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                                                 Number of    Minimum   Maximum
Item Description                  Abbreviation   characters     value     value
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 1   year,month,day,hour          yr,mn,dy,hr        8       81120100  91113023

 2   sky brightness indicator        IB              1              0         1

 3   latitude  x100                  LAT             5          -9000      9000

 4   longitude x100                  LON             5              0     36000

 5   station number(land) or         ID              5          01000     98999
     source deck(ships)                                           110       999

 6   land/ocean indicator            LO              1              1         2

 7   present weather                 ww              2             -1        99

 8   total cloud cover               N               1              0         8#

 9   lower cloud amount              Nh              2             -1         8

10   lower cloud base height         h               2             -1         9

11   low cloud type                  CL              2             -1        11#

12   middle cloud type               CM              2             -1        12#

13   high cloud type                 CH              2             -1         9

14   middle cloud amount* x100       AM              3              0       900

15   high cloud amount* x100         AH              3              0       900

     non-overlapped amounts:*

16     middle cloud amount           UM              1              0         9

17     high cloud amount             UH              1              0         9

18   change code                     IC              2              0         9

19   solar altitude (deg x10)        SA              4           -900       900

20   relative lunar illuminance x100 RI              4           -110       117
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 # Cases of sky-obscured (N=9) due to fog (ww 10-12,40-49), thunderstorms (ww 80-99) or
   drizzle/rain/snow (ww 50-75,77,79) have been converted to N=8 and CL=11 (fog) or CL=10
   (thunderstorms) or CM=10 (Ns).  Certain cases of CM=/ with drizzle/rain/snow have been
   converted to CM=10 also.  Cases of CM=2,7 with drizzle/rain/snow have been converted 
   to CM=12,11, respectively, to indicate Ns.  Changes are coded in the IC parameter.

 * Upper level cloud type amounts can be computed only when 2 or less levels are present.
   AM and AH come from Nh, N, or the random-overlap equation and represent "actual" 
   cloud amount.  UM and UH are the amounts visible (the non-overlapped amounts) and 
   come from Nh, N, or N-Nh.  [Amounts are given in octa, AM and AH to two decimal places.]