30 



BULLETIN 1233, U. S. DEPARTMENT OF AGRICULTURE. 



Table 2. — Mean air 



iem 



peraturcs at the control station {20 feet above the 



ground). l 





Decade. 



Record by decades and months 



n degrees Fahrenheit. 



"3 



3 



bJ3 

 d 



G M 



03 



o 



Year. 



2 







a 



2 



ft 



1 



< 





§ 



1-3 



•3 

 *-> 



a 



< 



1 



i 



1 



o 

 O 



g 



s 



> 



9 



5 



o 

 Q 



1910 



f 1 

 2 



1 3 

 [Month 



f 1 

 2 



1 3 



[Month 



f 1 

 2 



1 3 

 IMonth 



f 1 

 2 



1 3 

 [Month 



f 1 

 2 



1 3 

 [Month 



f 1 



2 



I 3 

 [Month 



f 1 



2 



1 3 



[Month 



1 ' 



[Month 



f 1 



2 



1 3 

 [Month 



f 1 

 2 



1 3 



[.Month 



f 1 

 2 



1 3 



1 Monti! 



f 1 

 2 



1 3 



[Month 



r l 

 •> 



[Month 



17.6 

 28.4 

 31.0 



18.7 

 15. 6 

 28.2 



36.9 

 38.3 

 38.6 



35.6 

 36.5 

 43.1 



39.9 

 40.2 

 46.3 



53.1 

 58. 3 

 57.4 



58.8 

 63.0 

 61.8 



58.3 

 57.6 

 56.6 



56.4 

 55.7 

 49.7 



50.4 

 42.4 

 39.8 



39. 5 

 31.2 

 37.7 



33.7 

 30.8 



22. 2 















25.8 



20.3 



37.9 



38.4 



42.3 



56.3 



61.2 



57.4 



53.9 



44.1 



36.1 



28.7 41.88 



58 1 2 



1911 



24.4 

 36.4 

 33.6 



29.1 

 21.6 

 11.2 



35.6 

 30.7 

 32.1 



36. 5 

 31.5 

 39.5 



44.9 

 45.7 

 47.0 



56.3 

 53.2 



58.8 



55.3 

 55.3 

 54.0 



59.2 

 61.2 

 51.7 



.54.3 

 52.6 

 53.1 



45.1 



36.8 

 31.0 



29.2 

 32.0 

 22.7 



30. 2 



14.4 



14. 9 















31.5 



21.3 



32.8 



35.8 



45.9 



56.1 



54.8 



57.2 



53.3 



37. 4 



28.0 



.19.7 



39.49 



55.92 



1912 



19.4 



28.2 

 29.8 



23.7 

 23.2 

 14 ?, 



24.2 

 25.3 

 23.3 



35.4 

 28.7 

 34.2 



38.7 

 39. 5 

 51.1 



50.3 

 43.4 



52 1 



55.9 

 56.8 

 57.4 



54.9 

 54.5 

 58.3 



54.5 

 39.5 

 36.0 



42.6 

 40.6 

 34.4 



36.2 

 35.4 

 30.4 



19.8 

 24.5 

 20.6 











[ 









25.9 20.6 



24.3 



26.7 

 24.7 

 28.4 



32.8 



31.1 

 40.6 

 38.4 



43.4 



39.4 

 45.2 

 51.4 



48.6 



56.7 



56.0 



58.9 

 57.3 



43.3 



54.6 



45. 

 37.0 



39.0 



41.6 

 35. 2 

 31.3 



34. Ol 21.6 



37. 1 8 



53. 80 



1913 



13.6 

 23.9 

 27.1 



18.4 

 22.6 

 12.2 



46.2 

 52.2 

 56.0 



62.3 

 56.8 

 53.4 



36.5 

 39.2 

 30.5 



24.0 

 24.6 

 21.1 











21.7 



18.1 



26.7 



36.7 



45.5 



51.5 



57.4 



58.6 



45.6 



35.9 



35. 4) 23. 2 



38. 02 



55.73 





3? 







30.3 

 34.0 

 36.5 



42.0 

 39.0 

 49.3 



52.1 

 53.6 

 57.0 



54.1 

 57.1 

 56.8 



58.2 56.4 



45. 1 

 42.9 

 39.0 



40.8 











31.3 







59.6 

 53.4 



52.7 

 48.9 



31.6 

 34.7 











1914 



























33.6 



43.6 



54.2 



56.0 



57.0 



52.7 



42.2 



35.7 







55. ^2 

























16.2 

 23.3 

 28.0 



34. 5 

 38.3 

 39.9 



32.4 

 42.7 

 42.6 



44.2 

 50.3 

 51 3 



53.0 

 57.2 

 53.6 



52.6 



51.8 

 51.3 



52.9 

 49.2 

 46.3 



41.9 

 37.5 

 47.5 



41.4 

 25.6 

 29.2 



34.1 

 22.3 

 23.4 







1915 































22.7 



37.6 



39.3 



48.6 



54.6 



51.9 



49.5 



42.5 



32.1 



26.5 





51.83 





31.9 

 18.3 



24.9 

 33 8 



30.8 

 40.8 

 31.7 



28.4 

 36.4 

 36.8 



44.3 

 35.1 



48.8 



46.8 

 52.0 

 58.6 



59.9 

 57.5 

 59.7 



58.1 

 55.8 

 51.0 



55.4 

 44.8 

 47.0 



45. 3 



35.4 

 37.7 



38.1 

 19.8 

 28.1 



24.7 

 18.4 

 15.9 













1916 



21.4 27.2 















23.8 



28.1 



17.0 

 19.8 



28.7 



34.4 



33.9 



42.9 



52.5 



59. 1 



54. 8| 49. 1 



39.4 



28.61 19.5 



38 39 



55. 48 





2-1.1 

 22.0 

 27.4 



18.2 



20.1 

 28.7 



22. 5 



27.6 

 32.8 

 32.8 



31.0 



27.7 

 42.6 

 36.8 



35.7 



45.7 

 51.2 



59.8 



56. 5 

 57.4 

 61.6 



57.0 

 51.4 

 53.0 



55.9 

 49.0 

 47.9 



46. 9 



40.0 

 31.9 



40.2 

 33.6 

 35. 3 



23.4 

 33.6 

 35. 3 













1917 















21.5 



21.3 



52. 2 



58.6 



.53.81 51.0 



39. 3 



36.4 



30.9 



38.11 



54.95 





23.7 2S. 2 

 11.21 22.4 



33. 1) 

 33. 9 

 34.7 



2H.fi 

 28.0 

 34. 5 



42.7 

 44.2 

 46.0 



52.2 

 61.0 

 56.5 



.56.1 

 54.8 

 57.0 



59. 1 

 55.8 

 54.4 



47.2 

 47.4 

























1918 



18.0 



32.2 



















17.7 



27.2 



33.9 



30.4 



44.4 



56. 5 



56. 



56.4 







31.4 



33. 6 



2",. i 







55.3 6 











39. 1 

 43.6 

 46.6 



41.9lioT() 



57.0 

 58 9 

 60.2 



"5779 

 52, o 



•ifi. 8 



38.4 

 37.1 



31.0 



21.8 















54. 5 

 59. 2 



57. 5 

 60.0 



28. 2 

 35. 5 







1919 















May 



April. 











» 



43. 2 



lO 

 39. o 

 51.1 



51.8 



7) i . ^ 

 52.1 

 56.6 



59.2 



58. 8 



52. 2 



36. 4 



30. 1 



28.7 



39. 01 



.56. 70 



1920 



19.4 

 36.0 

 33.9 



2N.0 

 24.0 

 20.7 



21.6 

 25. 8 

 29.2 



28. 1 



27. s 

 27. 5 



"58 2 



60. 1 

 61.3 



58 1 

 53.0 



52. 9 



59. 8 



17. v 



53. 4 



43. 2 

 32. 



"3(1. 3 

 29. :. 

 28. B 



29.9 



21. 1 

 21.7 



May- 



April. 







29.9 



24.41 25.6 



27.8 



45. 3 



53. 5 



59.9 



54 6 



52.0 



42.5 



29.6 



25.1 



40. 56 



55. 25 





27. 5 

 29. 3 



28, 9 



21.3 

 28.0 

 37.3 



3l.fi 

 40. 3 

 28. 7 



31.6 

 33 3 









































1921 



31. 1 











































28. 6 



26. o 



27. 1 



28,2 



~2TT) 

 23. 7 

 23. I 





33. 1 























80. 3 



30. 3 



33. 1 

 36, I 



39.7 

 11..". 

 47.0 



~49Tl 

 52. 9 

 66. 7 



57. 6 



57. 5 

 56. 2 

 54.6 



64.0 

 49. 8 

 46.0 



45. 1 

 39. 1 

 35 9 



36. i 



31.2 



30. 2 



23 1 





- 









Aver 























33. 7 





52.9 



57.6 



56.0 





32.6 21.'.' 



39.11 



55.35 



1 Seo Note, p. 29. 





