938 



SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 79 



SAN PEANCISCO, UNITED STATES 



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



PRESSURE AT STATION: COR. TO 32° F. AND TO GRAY. AT 45° LAT. 



Means of two observations daily cor. to mean of 24 hours 



29 inches + 



Date Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. Nov. Bee. Year 



1873 .959 .889 .979 .934 .781 .818 .775 .802 .750 .860 .910 .860 .860 



1874 .926 .892 .866 .926 .821 .789 .780 .788 .733 .819 .877 .994 .851 



1875 .883 .931 .995 .884 .803 .791 .780 .761 .793 .851 .843 .966 .857 



1876 .870 .920 .838 .914 .837 .766 .763 .737 .757 .817 .910 .920 .837 



1877 .894 .914 .844 .831 .754 .772 .725 .799 .737 .832 .934 .859 .825 



1878 .848 .780 .856 .752 .781 .734 .724 .710 .780 .815 .906 .927 .801 



1879 .959 .930 .907 .865 .903 .721 .743 .682 .776 .852 .922 .945 .880 



1880 .956 .996 .923 .865 .877 .805 .778 .725 .786 .860 .962 .839 .864 



1881 .947 .954 .903 .846 .791 .784 .793 .761 .741 .861 .963 .993 .861 



1882 .954 .979 .923 .905 .825 .775 .817 .783 .794 .855 .932 .991 .878 



1883 1.057 .947 .854 .885 .815 .795 .795 .813 .767 .823 .948 .965 .872 



1884 .953 .839 .775 .809 .806 .803 .791 .763 .788 .820 .895 .779 .818 



1885 .979 .963 .920 .815 .781 .838 .798 .738 .739 .810 .802 .961 .845 



1886 .906 .917 .888 .810 .875 .781 .754 .743 .761 .887 .986 1.000 .859 



1887 1.011 .865 .965 .870 .859 .733 .820 .715 .755 .818 .888 .973 .856 



1888 .932 .916 .845 .889 .786 .774 .813 .754 .741 .806 .844 .873 .831 



1889 .915 .949 .795 .870 .816 .764 .769 .744 .783 .827 .923 .821 .831 



1890 .932 .925 .934 .902 .816 .840 .802 .788 .773 .829 .921 .957 .868 



1891 1.026 .809 .909 .884 .817 .773 .768 .778 .801 .876 .941 1.045 .869 



1892 .943 .864 .855 .952 .822 .812 .825 .782 .833 .852 .880 .965 .865 



1893 .928 .982 .856 .966 .853 .829 .779 .758 .789 .908 .993 1.021 .888 



1894 1.021 1.015 .957 .934 .798 .850 .840 .806 .775 .858 .954 .883 .891 



1895 .832 .963 .911 .948 .855 .814 .809 .772 .802 .838 .917 1.057 .876 



1896 .893 1.015 .895 .900 .890 .795 .783 .841 .771 .80S .927 .974 .874 



1897 .933 .922 .918 .935 .819 .789 .788 .804 .834 .870 .992 1.052 .888 



1898 .996 .954 .913 .883 .823 .787 .792 .753 .780 .893 .936 1.054 .880 



1899 .994 1.018 .907 .887 .881 .795 .790 .796 .842 .845 .896 .987 .886 



1900 .983 .994 .870 .847 .855 .805 .744 .807 .802 .867 .896 1.039 .876 



1901 .947 .902 .968 .921 .849 .795 .758 .809 .768 .876 .956 1.041 .882 



1902 1.002 .905 .908 .917 .855 .750 .798 .811 .778 .851 .910 .972 .871 



1903 1.010 .981 .857 .898 .826 .805 .836 .783 .708 .900 .960 1.038 .891 



1904 1.084 .924 .878 .916 .805 .805 .806 .844 .812 .879 .958 1.010 .893 



1905 .956 .837 .850 .825 .817 .791 .801 .823 .801 .871 .880 1.050 .858 



1906 .973 .904 .844 .974 ... .831 .770 .747 .808 .883 .922 .937 



1907 .866 .961 .832 .880 .827 .799 .788 .774 .830 .814 .962 .950 .857 



1908 .926 .909 .970 .871 .848 .809 .784 .784 .806 .865 .912 .970 .871 



1909 .818 .912 .870 .891 .837 .801 .792 .767 .799 .903 .960 .870 .862 



1910 .995 1.046 .899 .910 .875 .815 .769 .788 .788 .851 .920 .988 .887 



1911 .894 .898 .881 .885 .839 .796 .804 .807 .816 .837 .974 .966 .866 



1912 .965 .992 .802 .888 .845 .795 .822 .789 .790 .848 .961 1.069 .880 



1913 .990 .842 .970 .889 .835 .797 .808 .791 .768 .853 .876 .928 .862 



1914 .872 .941 .901 .882 .829 .803 .816 .793 .802 .819 .906 .846 .851 



1915 .864 .810 .900 .815 .800 .826 .761 .753 .740 .863 .972 .918 .835 



1916 .790 .963 .928 .907 .844 .799 .759 .769 .789 .873 .998 .907 .858 



1917 .996 .934 1.031 .883 .836 .838 .738 .819 .804 .853 .981 .993 .892 



1918 .960 .902 .880 .851 .837 .729 .789 .782 .787 .850 .900 .942 .851 



1919 1.000 .913 .924 .889 .767 .810 .780 .821 .730 .834 .897 .952 .860 



1920 .959 .914 .860 .854 .799 .766 .852 .761 .802 .846 .931 .933 .856 



1921 .946 .986 .896 .907 .805 .783 .772 .806 .759 .852 .941 .888 .862 



1922 .946 .880 .939 .918 .839 .805 .824 .791 .761 .823 .918 .940 .865 



1923 .964 .964 .951 .837 .823 .778 .791 .804 .778 .831 .896 .975 .866 



M'ns .944 .926 .897 .885 828 793 .787 .779 .782 .850 .925 .957 .863 



