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Abbreviations and codes used in the observer's diary

Table 6: Code for state of ground with snow or ice (download PDF version)

CodeDescription
0 Ground predominantly covered by ice
1 Compact or wet snow (with or without ice) covering less than one-half of the ground
2 Compact or wet snow (with or without ice) covering at least one-half of the ground but ground not completely covered
3 Even layer of compact or wet snow covering ground completely
4 Uneven layer of compact or wet snow covering ground completely
5 Loose dry snow covering less than one-half of the ground
6 Loose dry snow covering at least one-half of the ground (but not completely)
7 Even layer of loose dry snow covering ground completely
8 Uneven layer of loose dry snow covering ground completely
9 Snow covering ground completely; deep drifts

 

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Last Revised: 2008 July 1st
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