TABLE 25 (Cont'd) 



heavy at time of observation 



Code figure 



74 Intermittent fall of snow flakes \ 



75 Continuous fail of snow flakes | 



76 Ice prisms (with or without fog) 



77 Snow grains (with or without fog) 



78 Isolated stariike snow crystals (with or without fog) 



79 Ice pellets, type (a) 



WW =80 -99 Showery precipitation, or precipitation with current or recent thunder- 

 storm 



WW 



80 Rain shower(s), slight 



81 Rain shower(s), moderate or heavy 



82 Rain shower(s), violent 



83 Shower(s) of rain and snow mixed, slight 



84 Shower(s) of rain and snow mixed, moderate or heavy 



85 Snow shower(s), slight 



86 Snow shower(s), moderate or heavy 



87 j Shower(s) of snow pellets or ice 

 \ pellets, type (b), with or without 



88 ) rain or rain and snow mixed 



89 ) Shower(s) of hail*, with or 



without rain or rain and snow 



90 mixed, not associated with 

 thunder 



91 Slight rain at time of observation 



92 Moderate or heavy rain at time of 

 observation 



93 Slight snow, or rain and snow mixed 

 or hail** at time of observation 



94 Moderate or heavy snow, or rain and 

 snow mixed or hail** at time of 

 observation 



95 Thunderstorm, slight or moderate, 

 without hail**, but with rain and/or 

 snow at time of observation 



96 Thunderstorm, slight or moderate, 

 with hail** at time of observation 



97 Thunderstorm, heavy, without hail**, 

 but with rain and/or snow at time of 

 observation 



98 Thunderstorm combined with dust- 

 storm or sandstorm at time of obser- 

 vation 



99 Thunderstorm, heavy, with hail** 

 at time of observation 



I - slight 



I - moderate or heavy 



- slight 



- moderate or heavy 



thunderstorm during the pre- 

 ceding hour but not at time of 

 observation 



thunderstorm at time of 

 observation 



* French : grele. 

 ** Hail, ice pellets, type (b), snow pellets. French : grele, gresil ou neige roulee. 



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