520 APPENDIX TO COUNTER-CASE OF GREAT BRITAIN. 



Heports of United States Signal Sei'vice — Contiuued. 

 NUMBER OF CLOUDY DATS. 



167 



* From Report of Chief Signal Oificer, 1886, p. 411 et seq. 

 NUMBER OF CLEAR DAYS. 



CLOUDINESS EXPRESSED IN PERCENTAGE. 



AMOUNT OF PRECIPITATION. 



♦From Report of Chief Signal Officer, 1886, p. 411 et seq. 



