WHOLE VOL. 



NORTH AMERICA 



28CJ 



HAY RIVER, CANADA 



Lat. 60° 51' N. Long. 115° 57' W. H = 161 m * 



PRESSURE AT STATION LEVEL: COR. TO 0° C. (32° F.) AND TO 



GRAV. AT 45° LAT. 



Means of i(8" + 17 h 16 m ), local meridian 



29 inches + 



M'ns 



.46 



.43 



.89 



.36 



.36 



.29 



.26 



.26 



.27 



.24 



.35 



.36 



*.34 



TEMPERATURE IN DEGREES F. 

 Means of i(8 h + 2ff > ) 



Date Jan. Feb. Mar. Apr. May June July Aug-. Sept. Oct. Nov. Dec. Means 



1921 



1922 



1923 — 16.5 — 10.0 —9.7 17.0 32.0 49.0 58.0 54.5 49.6 40.3 



1924 —20.4 — 3.1 9.5 14.0 43.4 49.8 61.3 55.7 46.5 35.1 



1925 —22.8 —23.7 —0.9 29.4 41.4 52.1 61.7 57.4 46.0 28.0 



1926 — 6.0 



1927 — 9.9 



1928 — 4.0 



1929 —18.7 



1930 — 8.6 



-10.0 



- 3.1 

 -23.7 



- 3.6 



- 7.5 

 2.8 



-14.9 

 -15.4 



-9.7 17.0 32.0 



9.5 14.0 43.4 



-0.9 29.4 41.4 



7.7 23.5 37.8 



18.6 —10.1 22.7 



11.2 —11.4 24.3 



4.0 — 3.3 22.4 



51.6 58.6 56.2 42.4 30.4 



9.4 — 8.4 



9.3 

 4.7 

 -5.9 

 4.9 



23.0 



8.4 



17.9 



18.1 



33.9 

 39.3 

 35.4 

 38.6 



45.1 

 50.8 

 43.1 

 50.2 



62.2 

 62.0 

 55.6 

 59.5 



60.4 

 52.0 

 55.8 

 58.6 



48.8 

 45.4 

 42.6 

 45.3 



41.1 

 29.3 

 37.7 



27.7 



1.1 

 19.2 

 12.5 

 11.1 



-12.8 



4.3 



- 9.7 



25.0 

 24.1 

 26.2 

 20.9 

 24.9 



M'ns —13.4 — 9.4 2.4 18.9 37.7 49.0 59.9 56.3 45.8 33.7 10.9 — 5.4 23.8 

 TOTAL PRECIPITATION IN INCHES 



M'ns .75 .94 .78 .72 1.04 1.61 

 * Mean of 12 monthly means. 



1.29 2.04 1.78 .65 .87 

 f Sum of 12 monthly means. 



.90 113.37 



