556 



Tables 688 and 689 

 RELATIVE INTENSITY OF SOLAR RADIATION 



TABLE 688. — Mean Intensity J tor 24 hours of solar radiation on a horizontal surface at the top of tho 



atmosphere and the solar radiation A , In terms of the solar radiation, i„ 



at earth's mean distance from the sun. 



Average annual solar energy received per square dekameter of horizontal surface in kilowatt hours. 

 U. S.: Lincoln, 160,906; Mt. Weather, 148,824; Washington, 145,403; New York, 106,460; Chicago, 

 97,856. Other countries: Toronto, 139,523; Johannesburg, 175,696; Davos Platz, 174,043; So. Ken- 

 sington, 78,569; Stockholm, 79,267. (Kimball, Monthly Wea.her Rev., Apr. 1927.) 



TABLE 689. — Mean Monthly and Yearly Temperatures 



Mean temperatures of a few selected American stations, also of a station of very high, two of very low temperature, 

 and one of very great and one of very small range of temperature. 



lat, Long., Alt. respectively: (1) + 58°. s, 63°.o W, — ; (2) + 49.9, 97-i W, 233m.; (3) +45-5, 7.3-6 W, 57m.; 

 (4) f 42 3, 71. 1 W, 38m. ; (5) +41 9, 87.6 W, i,im.; (6) +39.7, 105.0 W, 1613m. ; (7) +38.9, 77.0 W, 34m.; (8) 

 + 38.8, 105.0 W, 4308m.; (q) + 3 x -6, 9°-2 W, 173m.; (10) +37.8, 122.5 w , 47m.; (11) +32.7, 114-6 W 43m. ; 

 (12) +30.0, 90.1 W, 16m.; (13) + '5-6, 37-5 E, 9 m.; (14) +81.7, 64.7 W., — ; (.5) +67.6, 133-8 E, 140m.; (16) — 6.2, 

 106.8 E, 7m. 



Taken from Hann's Lehrbuch der Meteorologie, 2'nd edition, which see for further data. 



Note: 



Highest recorded temperature in world = 57° C in Death Valley, California, July 10, 191 3. 

 Lowest recorded temperature in world = -68° C at Verkhoyansk, Feb. 1892. 



Smithsonian Tables. 



