G90 



KANSAS CITY REVIEW OF SCIENCE. 



MONTHS 



Mean 



Maximum 



Minimum 



Miles of 



Mean 



Relative 



Rainfall, 





temperature. 



temperature. 



temperature 



Wind. 



Cloudiness. 



Humidity. 



in inches. 



January . . 



23-49 



53-° 



-16.O 



8,309 



43-98 



76.O 



°-37 



February 





34.06 



74 







5-° 



10,097 



39-°4 



64.7 



0.41 



March . 





48.22 



87 







11. 



13,787 



46.02 



56.1 



o-37 



April . 





56.40 



84 







20.0 



11,231 



49.67 



6l.O 



4.18 



May . 





69.50 



93 







43-o 



12,057 



37.20 



60.9 



1.60 



June . 





73.22 



97 







45-° 



9,498 



41-33 



69.9 



7.14 



July • 





79.14 



97 



5 



62.5 



6,980 



34-89 



73-8 " 



3-66 



August 





75-78 



99 



5 



49.0 



6,815 



28.92 



63.8 



1.03 



September . 



65.40 



92 







42.0 



IO,237 



37.00 



64.0 



3-57 



October . . 



60.46 



87 



5 



25-5 



IO,952 



3 J -94 



71.2 



2.81 



November . 



44.26 



76 



5 



16.0 



11,964 



38-33 



70.6 



5-^5 



December . 



26.23 



65 5 



-9.0 



12,821 



5I-83 



74.0 



2-39 



Mean . . . 



54-67 



83.8 



24-5 



IO ,397 



40.01 



67.1 



2.72 



COMPARISON WITH PREVIOUS YEARS. 





Mean 



Maximum 



Minimum 



Miles of 



Mean 



Relative 



Rainfall, 



YEAR. 



temperature 



temperature. 



temperature. 



Wind. 



Cloudiness. 



Humidity. 



in inches. 



1879 . . . 



54-67 



99-5 



-16.O 



124,768 



4O.OI 



67.I 



32.68 



1878 







55-33 



98.0 



-6.0 



^5,793 



40 



65 



70.4 



38-39 



1877 







54.16 



99.0 



-9.O 



113,967 



47 



12 



72.6 



4I.O9 



1876 







5 2 -76 



98.0 



-5-° 



148, 120 



41 



27 



66.8 



44.18 



l875 







50.60 



99.0 



-16.5 



145, 3 l6 



44 



81 



65-5 



28.87 



1874 







54.20 



108.0 



-3-0 



145,865 



45 



54 



65-5 



28.87 



1873 







5 2 -7i 



104.0 



-26.0 



i54,5 8 



42 



46 



64.0 



32-94 



1872 







51.90 



97.0 



-18.0 





44 



33 



64.4 



32-63 



1871 







54-3° 



103.0 



-6.0 





47 



37 



.... 



33-23 



1870 







54-5° 



102.0 



-10. 





47 



88 



68.4 



3I-38 



1869 







5°-99 



96.0 



-5-o 





49 



23 



.... 



38.51 



1868 







5336 



IOI.O 



-16.5 





42 



35 . 





37-42 



In presenting this report, the writer desires to acknowledge his indebtedness 

 to Prof. H. S. S. Smith, for taking the observations during seven weeks' absence 

 during the summer vacation. 



RELIABILITY OF THE WEATHER PREDICTIONS OF THE U. S. 



SIGNAL SERVICE. 



It is quite wonderful to observe the success of the "simultaneous observa- 

 tions" plan of the U. S. Signal Service, as shown by the verifications of the 

 weather predictions of the bureau. The detailed comparison of the tri-daily in- 

 dications for January, with the telegraphic reports for the succeeding twenty-four 

 hours, shows the general percentage of verifications to be 84.4 per cent. The 



