1898-1902. No.t.J CLOUD. PUECIHITATION. 237 



CLOUD. PRECIPITATION. 



The following Tables contain four columns for each month and 

 for each even hour: 



1 (Am.) The amount of Cloud, o indicating clear sky, 10 overcast. 



2 (Dir.) The direction (from) of the movement of the clouds (true.) 



3 (Fm.) the form of cloud. 



4 (Pr.) Precipitation in the form of Rain (®), Snow (*), Hail (A), 



Fog(=), Haze (°°). 

 The exponent " indicates slight, the exponent * strong or heavy. 



