METEOROLOGY. 



321 



Mean temperature of the air, in the shade, of the Didrict of Columhia. 



857 



1 



2 



3 



4 



5 



6 



7 



8 



9 







1 



2 



i3 



11 



5 



6 



7 



I 



10 

 1 

 -2 



!3 

 !4 

 to 



17 

 « 

 9 

 10 

 1 



F. 

 30 3 

 38.7 

 2&A 



29.0 

 3). 5 

 23.5 

 SI.O 

 11.6 

 20.4 

 28.1 

 30.0 

 17.4 

 21.9 

 23.0 

 23.9 

 11.9 

 31.9 

 4.7 

 14.0 

 17.1 

 33.1 

 6.7 

 4.1 

 7.4 

 11.0 

 10.0 

 37.7 

 3-2.7 

 33 9 

 27.1 

 36.4 



35.7 

 23.7 

 19.0 

 42.0 

 46.2 

 54.0 

 49.8 

 52 3 

 27.2 

 25 1 

 17.5 

 26.0 

 38.6 

 4U.6 

 53.1 

 59.8 

 6it.O 

 56.0 

 62.3 

 39.0 

 47.7 

 38.6 

 44.4 

 52.0 

 61.9 

 41.8 

 38.7 

 42.8 



40.0 

 22.6 

 21.9 

 33.7 

 34.6 

 36.7 

 26.4 

 93 9 

 29.4 

 27.0 

 33.5 

 29.0 

 26.7 

 38.4 

 40.2 

 43.1 

 45.1 

 53.1 

 41.9 

 44.1 

 48.4 

 48.9 

 48.6 

 60.1) 

 52.0 

 41.0 

 41.2 

 44.0 

 40.4 

 46 4 

 45.8 



48 3 

 30.7 

 34.7 

 49.6 

 60.7 

 48.0 

 33.7 

 44.1 

 50 5 

 46.6 

 50.0 

 43.9 

 37.0 

 42.3 

 4a. 3 

 40.3 

 38.7 

 39.2 

 41.5 

 35.1 

 40.5 

 39.5 

 45.9 

 47.2 

 51.2 

 52.3 

 56.3 

 53.8 

 50.4 

 51.4 



51.1 

 60.0 

 62.8 

 61.1 

 63.4 

 61.1 

 56.9 

 61.0 

 62.0 

 68.7 

 51.3 

 51.9 

 57.4 

 63.5 

 58.4 

 57.5 

 59.2 

 50.0 

 43.6 

 44.5 

 50.8 

 60.6 

 64.9 

 67.7 

 71.7 

 72.5 

 69.7 

 67.4 

 64.8 

 65.8 

 71.1 



72 9 

 70.1 

 68.3 

 68.5 

 53.8 

 61.3 

 68.8 

 70.9 

 68.0 

 65.6 

 68.8 

 70.7 

 75.0 

 75.3 

 75.2 

 79.7 

 75.8 

 75.8 

 67 9 

 75.2 

 74.6 



t 



t 



t 



t 



t 



t 



t 



t 



t 



t 



74.7 

 75.9 

 74.3 

 75.6 

 79.0 

 77.6 

 77.7 

 76.1 

 75.3 

 75.7 

 81 5 

 80.8 

 78.0 

 75.0 

 71.9 

 73.9 

 76.7 

 79.8 

 79.2 

 79.0 

 77 7 

 74.2 

 75.2 



74.9 

 74.6 

 74.5 

 72.5 

 72.8 

 73.7 

 71.8 

 73.1 

 77.0 

 74.9 

 75.0 

 76.5 

 81.3 

 64.4 

 82 5 

 73.6 

 76.8 

 75.3 

 71.8 

 69.3 

 66.8 

 67.1 

 70.0 

 66.4 

 64. 7 

 70.6 

 69.4 

 76.5 

 68.7 

 65.2 

 63.7 



G9.5 

 71.4 

 69.5 

 74.5 

 75.4 

 73 5 

 58.8 

 58.0 

 63.1 

 69.0 

 71.1 

 72.6 

 73.0 

 73.3 

 71.6 

 65.3 

 78.3 

 76.3 

 61.8 

 64.7 

 61.0 

 6.1.4 

 .W.8 

 57.8 

 .59.2 

 65.4 

 67.5 

 66.5 

 54.5 

 49.7 



54.7 

 61.8 

 63.2 

 56.5 

 56 6 

 54.4 

 .54.7 

 53.7 

 .55.9 

 58.4 

 .59.6 

 64.0 

 65.2 

 67.0 

 63 2 

 53 6 

 .50.8 

 .53.7 

 61.6 

 43.2 

 40.6 

 43.5 

 49 5 

 53.2 

 54.8 

 49.2 

 48.0 

 41.9 

 45.7 

 45.2 

 49 -« 



46.0 

 50.0 

 43.3 

 42.6 

 53.3 

 64.9 

 66.7 

 71.9 

 71.5 

 43.4 

 39.5 

 42.3 

 50.5 

 37.6 

 30.0 

 41.6 

 45.3 

 46.5 

 41.8 

 26.4 

 31.0 

 42.0 

 47.8 

 33.7 

 22.0 

 22.0 

 S9.8 

 32.5 

 41.0 

 41.7 



44.6 

 37.8 

 44.3 

 37.4 

 43.0 

 43.6 

 44.7 

 55.7 

 64.5 

 45.8 

 37.3 

 29.5 

 3U.0 

 40.6 

 41.8 

 40 4 

 45.0 

 52.2 

 43.6 

 35.2 

 34.8 

 42.0 

 38.7 

 35.5 

 30.3 

 32.7 

 30.4 

 37.3 

 40.4 

 38.5 

 38.9 



Hean 29.4 



38.9 



60.4 



70.6 



76.7 



72.9 



53.7 



43.2 



53^8 



40.6 



* New thermometer from the Smithsonian Institution, 

 t Thermometer broke during the hailstorm of June 21. 



21 s 



