242 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 105 



CHKALOV (ORENBURG), U. S. S. R. 



Lat. 51°45' N.Long. 55°6' E. H == 108.9 m. 



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



GRAV. AT 45° LAT. 



Means of M7''+13''+21'') ; from 1936 ^(1"+ 7" +13" +19"), local time 



700 mm. + 



Mean 61.3 58.0 56.3 54.5 52.6 48.6 47.5 50.7 53.9 56.9 60.4 59.0 



55.0 



TEMPERATURE IN DEGREES C. 



Means of i (7" + 13" + 21"), local time, corrected to means of 24 hours; 



from 1936 i(l"+7" + 13" + 19"), local time 



Mean— 15.7 —14.8 — 7.9 



6.1 14.4 20.2 23.0 21.0 14.0 



5.3 —3.4 —12.0 



4.2 



TOTAL PRECIPITATION IN MILLIMETERS 



Mean 



11 



17 



17 



37 



46 



39 



26 



17 



42 



18 



17 



294 



