42 



USEFUL PLANTS OF GUAM. 



Moore, Chief of the Weather Bureau, was detailed to examine and 

 inttMj)rct the records forwarded to the United States Hydrographic 



Office: 



Temjierature, 1902. 



[Degrees Fahrenheit and centigrade.] 



Month. 



January 



February 



March 



April 



May 



June 



July 



August 



September 



October 



November 



December 



Annual maximum 

 Annual minimum 



Mean 



Mean. 



°F. 



79 

 80 

 80 

 81 

 82 

 82 

 81 

 81 

 80 

 80 

 79 



82 

 78 



80 



26.1 

 26.7 

 26.7 

 27.2 

 27.8 

 27.8 

 27.2 

 27.2 

 26.7 

 26.7 

 26.1 

 25.6 



27.8 

 25.6 



26.7 



Absolute. 



Maximum. 



°F. 



86 



.H6 



87 

 87 

 88 

 90 

 90 

 88 

 87 

 88 

 85 

 85 



90 



87 



°C. 



30.0 

 30.0 

 30.6 

 30.6 

 31.1 

 32.2 

 32. 2 

 31.1 

 30.6 

 31.1 

 29.4 

 29.4 



32.2 



30.6 



Minimum. 



°F. °C. 



70 

 71 

 72 

 73 

 72 

 73 

 75 

 74 

 73 

 70 

 69 

 66 



66 



72 



21.1 

 21.7 

 22.2 

 22.8 

 22.2 

 22.8 

 23.9 

 23.3 

 22.8 

 21.1 

 20.6 

 18.9 



18.9 



22.2 



Mean daily 

 range. 



'F. 



8 



8 



10 



8 



9 



10 



9 



9 



11 



10 



11 



9 



17 

 3 



4.4 

 4.4 

 5.6 

 4.4 

 5.0 

 5.6 

 6.0 

 5.0 

 6.1 

 5.6 

 6.1 

 5.0 



9.4 

 1.7 



5.0 



Rainfall, 1902. 

 [In inches and millimeters.] 



Month. 



January . . 

 February . 



March 



April 



May 



June 



July 



August . . . 

 September 

 October. . . 

 November 

 December 



Sum 

 Maximimi 

 Minimum 



Total. 



Inches. 



3.58 



7.30 



3.21 



3.87 



4.56 



7.14 



16.06 



19. 72 



27. 01 



9.63 



11.86 



2.53 



116.46 



27. 01 



2.53 



Millime- 

 ters. 



90.93 



185.42 



81.53 



98.04 



115. 57 



181.36 



407. 92 



600. 89 



686. 06 



244. 60 



301. 24 



64. 26 



2, 958. 12 



686. 06 



64. 26 



Percent- 

 age of 

 annual 

 rainfall. 



3.1 

 6.3 



2.8 



3.3 



3.9 



6.1 



13 8 



16.9 



23.2 



8.3 



10.2 



2.2 



100.0 



23.2 



2.2 



Maximum in24 hours. 



Inches. 



1.01 



2. 24 



.90 



.71 



.92 



2.92 



6. 26 



4.72 



5.31 



2.81 



2.62 



.77 



6.26 



Millime- 

 ters. 



25.65 



56.90 



22. 86 



18.03 



23.37 



74.17 



159.00 



119.89 



134. 87 



71.37 



66.55 



19.56 



159. 00 



Number of days with rain, and amounts, 1902. 



