726 



TABLE 821.— MEAN MONTHLY AND YEARLY TEMPERATURES, °C 



Mean temperatures of a few selected American stations, also of one station of very high and 

 two of very low temperature, and one of very great and one of very small range of temperature. 



Jan. Feb. Mar. Apr. May June July Aug. Sept. 



1 Hebron-Rama (Labr.). -20.7—20.9—15.6— 6.9 + .2 + 4.5 + 7.6 + 8.0 4- 4.5 



2 Winnipeg (Canada) ..—21.6—18.8—11.0+ 1.9+10.9+17.1+18.9+17.6+11.6 



3 Montreal (Canada) . . . —10.9 — 9.1 — 4.3 + 4.8 +12.6 +18.3 +20.5 +19.3 +14.7 



4 Boston — 2.8— 2.2 + 1.2 + 7.3 +13.6 +19.1 +21.8 +20.6 +16.9 



5 Chicago — 4.8—2.9+1.2+7.9 +13.4 +19.7 +22.2 +21.6 +17.9 



6 Denver — 2.1 + .1+3.8+8.3 +13.6 +19.1 +22.1 +21.2 +16.6 



7 Washington + .7+2.1+5.2+11.7 +17.7 +22.9 +24.9 +23.7 +19.9 



8 Pikes Peak —16.4 —15.6 —13.4 —10.4 — 5.3 + .4 + 4.5 + 3.6 — .3 



9 St. Louis — .8 + 1.7 + 6.2 +13.4 +18.8 +24.0 +26.0 +24.9 +20.8 



10 San Francisco +10.1 +10.9 +12.0 +12.6 +13.7 +14.7 +14.6 +14.8 +15.8 



11 Yuma +12.3+14.9+18.1+21.0+25.1 +29.4+33.1+32.6+29.1 



12 New Orleans +12.1 +14.5 +16.7 +20.6 +23.7 +26.8 +27.9 +27.5 +25.7 



13 Massaua +25.6 +26.0 +27.1 +29.0 +31.1 +33.5 +34.8 +34.7 +33.3 



14 Ft. Conger (Greenl'd) . —39.0 —40.1 —33.5 —25.3 —10.0 + .4 + 2.8+ 1.0— 9.0 



15 Verkhoyansk —51.0—45.3—32.5—13.7 + 2.0 +12.3 +15.5 +10.1 + 2.5 



16 Batavia +25.3 +25.4 +25.8 +26.3 +26.4 +26.0 +25.7 +25.9 +26.3 



Oct. Nov. 



— 6.2 



— 7.6 



— .2 

 + 4.8 

 + 3.6 

 + 3.3 

 + 6.9 

 —11.8 

 + 6.4 

 + 13.5 

 + 16.6 

 + 15.9 

 + 29.0 

 —30.9 

 —37.8 

 + 26.2 



+ 4.1 

 + 7.8 

 + 11.1 

 + 11.1 

 + 10.3 

 + 13.4 

 — 5.8 

 + 14.2 

 + 15.2 

 + 22.8 

 + 21.0 

 + 31.7 

 —22.7 

 —15.0 

 + 26.4 



Dec. 

 —16.2 

 —15.7 



— 7.1 



— .5 



— 1.5 



.0 

 + 2.3 

 —14.4 

 + 2.0 

 + 10.8 

 + 13.3 

 + 13.1 

 + 27.0 

 —33.4 

 —47.0 

 + 25.6 



Year 



— 5.2 

 + .6 

 + 5.5 

 + 9.2 

 + 9.1 

 + 9.7 

 + 12.6 



— 7.1 

 + 13.1 

 + 13.2 

 + 22.3 

 + 20.4 

 + 30.3 

 —20.0 

 —16.7 

 + 25.9 



Lat, Long., Alt. respectively : (1) + 58?5, 63?0 W, — ; (2) + 49.9, 97.1 W, 233m ; (3) + 45.5, 

 73.6 W, 57m; (4) +42.3, 71.1 W, 38m; (5) +41.9, 87.6 W, 251m; (6) +39.7, 105.0 W, 1613m; 

 (7) +38.9, 77.0 W, 34m; (8) +38.8, 105.0 W, 4308m; (9) +38.6, 90.2 W, 173m; (10) +37.8, 

 122.5 W, 47m; (11) +32.7, 114.6 W, 43m; (12) + 30.0, 90.1 W, 16m; (13) + 15.6, 37.5 E, 9m; 

 (14) +81.7, 64.7 W, — ; (15) +67.6, 133.8 E, 140m; (16) —6.2, 106.8 E, 7m. 



Note. — Highest recorded temperature in world — 57°C in Death ^.Valley, California, July 

 10, 1913. Lowest recorded temperature in world — — 68°C at Verkhoyansk, Feb. 

 1892. 



TABLE 822.— TEMPERATURE VARIATION OVER EARTH'S SURFACE (HANN) 



Maximum values for month in italics. 



SMITHSONIAN PHYSICAL TABLES 



