CONTRACTIONS AND SYMBOLS 



Throughout the notes and tables, the following abbreviations have been used : 

 ft. = foot, feet, 

 h — hour of observation, as 8 h , I4 h . 

 H = height of ground above Mean Sea Level. 

 Hb = height of barometer above Mean Sea Level. 

 Ht = height of thermometer above Mean Sea Level, 

 ht = height of thermometer above ground, 

 hr = height of rain gage above ground. 

 in. = inch, inches. 

 Lat. = latitude. 

 Long. = longitude, 

 m = minute, 

 m = meter, 

 mm = millimeter. 

 mb= millibar. 

 T. = trace : amount of precipitation too small to measure. 



