Hourly Meteorological Observations, May 10 — 13, 1844. 



221 





Baro- 

 meter 



Thermometers. 



WlJlD. 



Cloud 



3, 





ott. 

 ean 









Maximum 





Sc. : C.-s. 

 movin 



Ci., Sky 

 g clouded. 



Species of Clouds and Meteorological Remarks. 



me. 



at 32°. 



Dry. 



Wet. 



Diff. 



force in 



From 



from 















1". 



10". 













in. 



o 



o 



o 



lbs. 



lbs. 



pt. 



pt. pt. 



pt. 0—10. 





1 



29-687 



50-1 



47-3 



2-8 



0-7 



0-9 



30 



31 



2 



— 100 



Scud in two currents ; raining. 



1 



691 



51-2 



48-2 



30 



0-7 



0-2 



29 



30 



2 



— 100 



Id. 



2 



703 



50-9 



48-0 



2-9 



11 



0-6 



27 



30 



2 



— 10-0 



Id. 



3 



717 



49-3 



47-9 



1-4 



1-2 



11 



31 







— 



— 100 



Scud. 



4 



733 



47-4 



47-2 



0-2 



1-3 



0-9 



2 



2 



— 



— 10-0 



Id. ; rain 3 



5 



737 



500 



48-0 



20 



0-8 



0-8 



2 



2 



— 



— 9-8 



Loose scud ; thick cirrous clouds. 



6 



753 



49-3 



47-4 



1-9 



0-8 



0-7 







1 



— 



— 10-0 



Scud. 



7 



754 



48-3 



47-1 



1-2 



0-8 



0-2 











— 



— 10-0 



Id. 



8 



772 



47-9 



47-3 



0-6 



1-0 



01 







1 



— 



— 100 



Id. ; rain 1 



9 



790 



47-9 



47-1 



0-8 



0-9 



1-5 



2 



1 



— 



— 10-0 



Id.; id. 



10 



796 



47-6 



46-9 



0-7 



1-7 



0-3 



3 





10-0 



Id. 



11 



801 



48-0 



47-0 



1-0 



0-8 



0-2 



2 





100 



Id. 



12 



801 



47-3 



47-0 



0-3 



11 



0-9 



1 





100 



Very dark ; rain 1 



13 



29-805 



47-5 



47-0 



0-5 



0-8 



0-5 



2 





10-0 



1 

 Very dark ; fair. 



14 



806 



47-9 



47-0 



0-9 



11 



0-3 



2 





10-0 



Id. 



15 



820 



47-4 



46-8 



0-6 



0-5 



0-2 



2 





10-0 



Id. 



16 



821 



47-2 



46-5 



0-7 



0-5 



0-2 



2 





100 



Scud. 



17 



830 



47-1 



46-3 



0-8 



0-8 



0-2 



2 



1 



— 



— 100 



Id. ; rain 1 



is 



849 



47-1 



46-6 



0-5 



01 



00 





1 



— 



— 10-0 



Id. ; fair. 



19 



871 



480 



47-0 



1-0 



0-4 



00 



2 



1 



— 



— 10-0 



Id. 



20 



880 



48-1 



47-1 



10 



01 



00 







10-0 



A nearly uniform covering of scud. 



21 



888 



49-3 



47-9 



1-4 



01 



0-2 



1 



2: — 



— 10-0 



Thick scud. 



22 



888 



50-0 



48-5 



1-5 



0-5 



0-6 



2 





10-0 



Id. 



23 



895 



50-1 



48-5 



1-6 



0-5 



0-2 



2 





10-0 



Id. 



1 ! 



894 



50-7 



48-7 



20 



0-4 



01 



3 



2 



— 



— 100 



Id. 



1 



902 



51-0 



490 



20 



0-2 



01 



3 



2 



— 



— 100 



Id. 



2 



906 



521 



50-0 



21 



0-2 



01 



2 



2 



— 



— 10-0 



Id. 



3 



897 



530 



50-6 



2-4 



0-0 



00 



4 



2 



— 



— 10-0 



Id. ; slight break to NW. 



4 



899 



52-9 



50-8 



2-1 



00 



00 





2 



— 



— 10-0 



Id. 



5 



895 



51-6 



500 



1-6 



0-0 



00 





2 



— 



— 10-0 



Id. 



fi 



897 



51-9 



50-1 



1-8 



0-0 



0-0 



2 





100 



Uniform mass of scud. 



7 



895 



51-3 



50-0 



1-3 



0-0 



0-0 



8 





10-0 



Id. 



S 



905 



51-2 



500 



1-2 



00 



0-0 







10-0 



Id. ;' 8 h 40 m a break in scud, woolly cirri. 



9 



914 



50-0 



49-3 



0-7 



00 



00 







100 



Cir.-cum. scud to W. ; cir.-str. tinged with yellow. 



10 



902 



50-4 



49-8 



0-6 



00 



0-0 







10-0 



Scud. 



11 



919 



50-6 



49-7 



0-9 



0-0 



0-0 







10-0 



Id. 



12 



922 



49-3 



48-6 



0-7 



00 



00 







100 



Thick scud, dark. 



23 



29-964 









00 



00 



24 







A solar halo in the afternoon. 



13 



30090 



48-3 



47-0 



1-3 



0-8 



0-0 







20 



Cirro-strati, cirrous haze ; stars dim. 



14 



096 



47-2 



45-4 



1-8 



0-0 



o-o 







10 



Id., id. 



15 



114 



47-0 



44-5 



2-5 



00 



00 







20 



Id., id. ; cumuli on NE. horizon. 



10 



104 



44-6 



42-8 



1-8 



00 



0-0 







2-0 



Cirri, cir.-str., and cir. haze ; scud and cum. to NE. 



17 



120 



41-7 



40-9 



0-8 



0-0 



0-0 







4-0 



Id. ; id. 



18 



132 



45-3 



44-0 



1-3 



00 



00 





7 



— 



— 9-0 



Scud ; cirrous clouds and haze. 



.9 



149 



49-7 



46-7 



30 



00 



00 





— 



24 



— 9-9 



Cirro-stratous scud, moving very slowly. 



20 



157 



54-1 



49-3 



4-8 



00 



00 



22 



— 



30 



— 9-5 



Id. ; linear cirri and cirrous haze. 



>1 



162 



53-5 



48-5 



5-0 



00 



00 



12 





9-5 



Scud ; linear cirri to NW. ; cirro-strati to S. 



22 



160 



54-8 



490 



5-8 



00 



0-0 



20 



23 



— 



24 5-5 



Scud and loose cumuli ; varieties of cirri ; cirrous haze. 



23 



158 



56-9 



50-3 



6-6 



00 



00 



20 



— 



— 



28 8-0 



Id. on horizon ; cirri. 



3 



147 



58-9 



50-5 



8-4 



00 



0-0 





— 



— 



26 7-0 



Cirri and cirrous haze ; patches of loose cumuli to SE. 



1 



137 



62- 1 



53-0 



9-1 



0-0 



00 



24 





8-7 



Thick cirri and cirrous haze ; faint solar halo. 



2 



116 



64-8 



54-9 



9-9 



0-0 



0-0 



20 



— : — 



24 9-0 



Id. ; id. 



3 



108 



68-0 



570 



110 



0-0 



0-0 



20 





9-5 



As before, no scud ; solar halo. 



1 



094 



690 



58-1 



10-9 



00 



0-5 



28 



— :25 



28 9-0 



Cir.-cum. ; cirri ; cir.-str. to W. ; patch of scud to S. 



5 



085 



68-8 



58-2 



10-6 



1-1 



0-2 



24 



26: — 



— 9-5 



Scud ; cirri and cirro-strati ; mottled cirri to S. 



'he 



direction 



rf the v 



find is indicated by 



the n 



umber 



of the pc 



int of the coi 



npass, reckoning N. = 0, E. = 8, S. =: 16, W. = 24. The 



n:ioi 



is of the th 



ree stra 



ta of clouds, Sc. (set 



id), C. 



-s. (cil 



ro-stratus 



), and Cir. (cii 



•rus), are indicated in a similar manner. 



lai 



j 10<t 4 h . 



The hea 



viness of the rain fa 



illing 



lias be 



en estima 



ed upon the si 



lpposition that the heaviest fall is 10, and the estimations 



l.g 



.ven as abo 



ve " rai 



n 3 ." 













[ai 



r 10 d l9i>. 



Obser% 



ations made at 19 h 



10". 













MAG. AND 



MET. C 



»BS. lc 



144. 















3k 



