348 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 90 



SAN FBANCISCO, UNITED STATES 



Lat. 37° 48' N. Long. 122° 26' W. H b = 155 ft. 



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



GRAV. AT 45° LAT. 



Means of 2(5 h + 17 h ) corrected to means of 24 hours, 120th meridian W. 



29 inches + 



M'ns .969 .935 



.886 



.864 .819 .769 .787 .796 



.760 



.824 .927 .948 .857 



TEMPERATURE IN DEGREES F. 

 Means of i(daily Max. + daily Min.), corrected to 24 hours* 



M'ns 48.9 63.4 54.9 55.7 56.9 59.0 58.6 59.2 61.2 60.4 57.0 51.0 



56.3 



TOTAL PRECIPITATION IN INCHES 



M'ns 3.39 3.78 2.15 1.90 .58 .16 .01 .01 .14 1.21 2.48 



* Temperatures in vol. 79 were also corrected to 24 hour means after 1S72. 



3.84 19.64 



