600 
METEOROLOGICAL OBSERVATIONS. 
Daily and Monthly Barometric Means at Columbia Barracks, 1853. 
Observations at sunrise, 9 a. m.,3 p.m.,and9 p.m. Readings corrected to 32°. 
No. | July. August. September. October. November. 
| ERR .cocche abi -A noe Seo eee ae — 30, 051 29. 618 30. 026 30. 185 
(RRA Socio ms Asoo cose _— . 097 - 709 . 036 . 150 
BHooccd aches 225 5e peo Seo ean _ - 037 . 891 29. 968 271 
iad att eit ea = ie eh ca em — 29. 960 30. 150 915 . 205 
Fin> 70 SE ease eerie cies _ . 981 . 034 30. O3L 29. 880 
RE See Sete minke als ow eo cclaa cel neen — 971 29. 951 . 049 . 816 
1 OSE CORED SLU BOS LOSERS ES occe _ 30. 016 847 29. 897 913 
haan Spe Scee Deco lp aps seotine 56 Osc = - 098 . 729 . 843 30. 013 
Qee cen coccws sce weccauuenwlcac= === _ at) ~ 757 . 652 29. 934 
Uno n8s Sonmens BOSE MORES OSES — 29.951 . 882 . 728 709 
oe oeoaee feos see veeeeteee _— - 799 30. 003 . 672 916 
LD See amieaciee eaten ae aa eee _ . 804 29. 741 . 989 . 687 
NBs 2am. coe ase ese oeeweee ste oee ieee oe — . 924 . 132 30, 075 . 810 
Make oe Seem aastas Poe nee ast see _— . 843 . 908 29. 908 39. 116 
HS = AA ee Oech OCOD rSeocooses occe —_ . 782 - 932 . 924 -120 
We soso cakoos Gas jaeosooSrs wscei Dass — -919 . 642 . 902 29. 904 
17 oo Suc en cc cet ceodecch eokmcewe sees —_— . 907 . 824 . 823 817 
AS ee see hoes nae cence esse _ - 952 30. 043 30, 009 . 738 
LOT Pane cerebecses= Caccegeutwees ats 30. (82 . 985 29. 974 . 137 772 
WMhos-ascoseses de nieesiicesenasesea . 010 30. (147 . 908 275 . 824 
RL ens sues a cedu meweedeeeclme ses 29. 522 29. 957 . 874 . 164 . 787 
P2ivacecc seer e st ersee es Sa snosseee . 829 . 863 . 796 175 30. 165 
RS sc edae see cecds eeescen ctoaceses 30. 037 . 874 710 . 012 29. 905 
Chee ose oe oa aan nes eaee tee eee 29. 989 . 873 - 753 29, 874 814 
DO Sete scsceoe eee ee eo emeecrenetene . 855 . 836 . 925 30, 047 O94 
CESAR Bcconecncoborsensere capes . 807 . 818 . 876 29. 936 *. 134 
QUscat ante eae Bae eens wien oe ae - 845 . 840 . 883 30. 183 -- 
PBoseee saeeac we snar cos eesewecaccce . 864 . 837 30. 010 . 253 _ 
DO ieee. c Porbemeste boas escccsescese 835 . 797 29. 947 . 198 — 
ae o25 ano nocicR Eas ea GOED OODCC . 980 - 775 -914 . 080 _ 
Oe seep secee Con O BEE Ear aD oaccos 30. 014 . 834 — 235 — 
Monthly mean at sunrise-.-----..----. 29. 951 29. 940 29. 866 30. 103 29. 878 
Monthly mean at 9 a. m........-..-.- 29. 940 29, 947 29. 854 30. 101 29. 870 
Monthly mean at 3 p. m.----------... 29, 887 29, 886 29, 826 30. 098 29. 924 
Monthly mean at 9 p. m..----.--...-- 29. 905 29. 897 29. 842 30, 098 29. 925 
Mean ien. ssenant rongceaccorneernée 29, 921 29, 917 29, 847 30. 100 29. 899 
* A remarkably low point, occurring at all Pacific stations. 
Mean for 131 days, 29. 939 inches. 
Altitude of Columbia Barracks, 57. 6 feet. 
Two observations only, at sunrise and 9 a. m. 
