212 



Houely Meteorological Observations, April 16 — 18, 1844. 



Gbtt. 

 Mean 

 Time. 



d. h. 



16 8 

 9 



10 



11 



12 



13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 



17 

 1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 



10 

 11 

 12 



13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 



18 

 1 

 2 

 3 

 4 

 5 

 6 



9 

 10 

 11 

 12 



13 

 14 



Baro- 

 meter 

 at 32°. 



m. 



29-896 

 926 

 927 

 923 

 941 



29-935 

 934 



928 

 928 

 916 

 917 

 919 

 929 

 926 

 911 

 901 

 .885 

 870 

 863 

 827 

 814 

 802 

 789 

 787 

 796 

 774 

 767 

 768 

 765 



29-768 

 766 

 775 

 795 

 807 

 828 

 855 

 867 

 882 

 896 

 917 

 930 

 934 

 949 

 955 

 955 

 963 

 970 

 989 

 29-999 

 30-008 

 018 

 004 

 010 



30-008 

 29-991 



Thermometers. 



Dry. 



47-4 

 46-6 

 440 

 45-2 

 43-7 



42-9 

 43-0 

 44-8 

 45-2 

 45-2 

 46-0 

 46-0 

 46-6 

 48-7 

 52-2 

 53-7 

 56-0 

 55-8 

 54-7 

 57-9 

 55-7 

 52-8 

 52-1 

 49-9 

 48-2 

 48-2 

 46-9 

 44-8 

 460 



46-9 

 46-5 

 46-2 

 45-4 

 42-3 

 44-0 

 43-8 

 44-2 

 45-2 

 46-1 

 48-6 

 500 

 52-0 

 540 

 53-8 

 53-8 

 53-5 

 520 

 48-8 

 470 

 46-9 

 45-4 

 44-9 

 44-3 



45-3 



44-8 



Wet. 



Diff. 



41-3 

 410 

 40-9 

 41-9 

 41-1 



41-0 

 42-2 

 42-9 

 43-2 

 430 

 44-0 

 44-0 

 44-6 

 460 

 48-3 

 49-0 

 50- 1 

 500 

 49-0 

 51-3 

 48-3 

 46-3 

 46-2 

 44-8 

 44-1 

 44-0 

 43-2 

 420 

 43-4 



44-3 

 45-0 

 45-4 

 44-0 

 40-7 

 41-5 

 41-1 

 40-9 

 41-5 

 41-4 

 42-2 

 42-6 

 44-7 

 45-0 

 45-0 

 450 

 44-6 

 44-6 

 42-3 

 41-3 

 420 

 41-7 

 41-3 

 41-3 



42-0 

 42-1 



6-1 

 5-6 

 31 

 3-3 

 2-6 



1-9 

 0-8 

 1-9 

 2-0 

 2-2 

 20 

 2-0 

 2-0 

 2-7 

 3-9 

 4-7 

 5-9 

 5-8 

 5-7 

 6-6 

 7-4 

 6-5 

 5-9 

 5-1 

 4-1 

 4-2 

 3-7 

 2-8 

 2-6 



2-6 

 1-5 

 0-8 

 1-4 

 1-6 

 2-5 

 2-7 

 3-3 

 3-7 

 4-7 

 6-4 

 7-4 

 7-3 

 9-0 



8-9 

 7-4 

 6-5 

 5-7 

 4-9 

 3-7 

 3-6 

 30 



3-3 



2-7 



Wind. 



Maximum 

 force in 

 l h . 10 m . 



lbs. 

 0-8 

 0-5 

 01 

 0-2 

 01 



00 

 00 

 0-0 

 0-2 

 01 

 00 

 00 

 0-3 

 0-3 

 0-3 

 0-7 

 0-5 

 0-9 

 0-9 

 0-8 

 1-3 

 1-8 

 1-4 

 05 

 0-5 

 0-7 

 0-8 

 0-4 

 0-1 



1-0 

 0-2 

 0-1 

 0-1 

 01 

 0-0 

 0-0 

 0-5 

 0-6 

 0-9 

 20 

 1-3 

 1-3 

 0-8 

 1-0 

 11 

 0-7 

 0-6 

 1-1 

 0-3 

 0-3 

 0-2 

 0-1 

 0-2 



01 

 01 



lbs. 



0-5 

 0-2 

 00 

 0-4 

 00 



00 

 00 

 0-0 

 0-2 

 00 

 00 

 00 

 0-3 

 0-1 

 0-2 

 0-4 

 0-3 

 0-7 

 0-3 

 0-4 

 0-8 

 1-0 

 0-4 

 0-5 

 10 

 0-2 

 0-6 

 0-0 

 0-2 



0-3 

 01 

 00 

 00 

 0-0 

 00 

 00 

 0-2 

 0-2 

 0-5 

 1-9 

 1-1 

 0-9 

 0-9 

 1-2 

 0-2 

 0-3 

 0-5 

 0-2 

 01 

 0-1 

 00 

 0-0 

 00 



00 

 0-2 



From 



pt. 

 18 

 20 

 18 

 18 



18 

 19 

 19 

 20 

 20 



19 



20 

 19 



20 

 20 

 20 

 20 

 20 



19 



19 

 19 



20 

 20 



23 

 24 

 26 

 25 

 27 

 24 

 25 

 26 

 24 

 26 

 23 

 22 

 21 

 21 

 20 

 19 



19 



Clouds, 



Sc. : C.-s. : Ci.. 



moving 



from 



pt. pt. pt. 



— : 24 : — 



— : 22 : — 



20: — : 



20 : — : — 



17 



24: — 



24: — 



22 



20 

 18 



Sky 

 clouded 



o—io. 

 90 

 8-5 

 6-0 

 5-0 

 90 



4-0 



10-0 



100 



10-0 



9-9 



100 



100 



10-0 



100 



9-9 



9-5 



8-0 



50 



4-0 



40 



3-0 



70 



70 



80 



90 



9-2 



20 



1-5 



90 



9-5 

 9-5 



100 

 9-7 

 7-0 

 9-7 

 9-0 

 90 

 8-5 

 8-0 

 2-0 

 2-0 

 20 

 70 

 4-0 

 50 

 4-0 

 60 

 80 



100 

 9-7 

 8-5 



100 



100 



9-9 

 9-9 



Species of Clouds and Meteorological Remarks. 



Thick semifluid cirro-stratous scud ; cirro-strati. 



Cirro-cumulo-strati ; cirro-strati. 



Scud. 



Id. 



Id. ; sky to E. 



Scud ; sky to E. 

 Id. ; lightest to S. 

 Id. ; very dark. 

 Id. ; id. 

 Band of red- tinged sky to SE. 

 Scud. 

 Id., nearly uniform covering. 

 Id. 

 Misty scud. 



Id. 

 Scud ; cirrous clouds. 

 Scud and loose cumuli ; cirri. 



Id. ; woolly and linear cirri. 



Id. ; cirrous haze on horizon. 



Id. ; linear, crossed, and wo. cirri. 



Id. ; crossed and mot. cirri ; cir.-str, 



Woolly cirri and cirro-strati. 

 Matted cirro-strati. 

 Loose scud ; cirro-strati ; cirri.* 

 Patches of scud ; cirro-strati and cirri.* 

 Dense cirro-strati lying S by W. to N by E. 

 Clouds in patches, chiefly to E. 

 Cirri, &c. ; uniform auroral light to N. 

 Cirrous «louds and patches of scud ; aurora. 



Cirrous clouds ; a few drops of rain. 



Id. ; id. ; stars dim. 



Light rain ; dark. 

 Rain ceased ; clouds broken. 

 Scud ; woolly cirri. 

 Id. ; a few drops of rain. 



Id. ; cir.-str. and linear cirri diverging from NNE. 

 Cirri ; cirro-strati ; scud, cumuli. 

 Woolly cirri; scud to SE.; solar halo. [scud; halo. 



Woolly and linear cirri lying SSW. to NNE. ; cumuli; 

 Scud and loose cumuli ; woolly cirri ; cirrous haze. 

 Masses of scud and cumuli ; cirri and cirrous haze. 



Id. ; id. ; 



Loose cumuli ; woolly and linear cirri. 

 Masses of scud and cum. : linear cirri and cirrous haze. 

 Id. ; id. 



Id. ; woolly and mottled cirri. 



Scud ; woolly and feathered cirri. 

 Id. ; cirri to NW. with rectangular bend. 

 Cirro-strati. 



Id. ; sky to NW. 

 Id. ; stars very dim. 

 Id. 

 Dense cirrous clouds. 



Cirrous clouds ; a few stars visible. 

 Id. ; id. 



The direction of the wind is indicated by the number of the point of the compass, reckoning > T . = 0, E. = 8, S. = 16, W. = 24. The 

 motions of the three strata of clouds, Sc. (scud), C.-s. (cirro-stratus), and Cir. (cirrus), are indicated in a similar manner. 

 * See additional meteorological notes after the Hourly Meteorological Observations. 



