28 



PROCEEDINGS OF THE NATIONAL MUSEUM 



80-99 Showery precipitation, or precipitation with current or recent 

 thunderstorm. 



80 Rain shower(s), slight. 



81 Rain shower(s), moderate or 



heavy. 



82 Rain shower(s), violent. 



83 ShoweKs) 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 ShoweKs) of soft or small hail 



with or without rain, or rain 

 and snow, slight. 



88 Shower(s) of soft or small hail 



with or without rain, or rain 

 and snow mixed, moderate 

 or heavy. 



89 Shower(s) of hail with or with- 



out rain, or rain and snow 

 mixed, not associated with 

 thunder, slight. 



90 Shower(s) of hail, with or 



without rain, or rain and 

 snow mixed, not associated 

 with thunder, moderate or 

 heavy. 



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, i 



Thunderstorm during pre- 



► ceding hour but not at 



time of observation. 



"Hail, small hail, soft hail. 



