Hourly Meteorological Observations, April 9 — 11, 1845. 



173 



tt. 



an 

 .e. 



Baro- 

 meter 

 at 32°. 



Thermometers. 



Wind. 



Clouds, 



Sky 

 clouded. 









Dry. 



Wet. 



Diff. 



Maxi 

 fore 



1\ 



mum 

 e in 

 lO™. 



Prom 



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



moving 



from 



Species of Clouds and Meteorological Remarks. 



h. 



in. 



o 



o 







lbs. 



lbs. 



pt. 



pt. pt, pt. 



0—10. 





10 



28-904 



41-0 



38-6 



2-4 



0-3 



0-3 



4 





10-0 



Scud. 



11 



906 



40-1 



38-] 



2-0 



0-3 



0-4 



3 





10-0 



Id. ; lightest rain. 



12 



912 



39-2 



37-3 



1-9 



0-4 



0-4 



1 





10-0 



Id. 



13 



28-911 



38-9 



37-2 



1-7 



0-7 



0-4 



31 





10-0 



Scud ; rain"'^ 



14 



908 



39-0 



37-6 



1-4 



0-7 



0-8 



31 





10-0 



Id. ; rain^ 



15 



906 



38-0 



36-6 



1-4 



1-2 



0-4 









lO-O 



Id.; rain»-2 



16 



907 



38-2 



36-0 



2-2 



0-8 



0-5 









10-0 



Id. 



17 



908 



37-8 



36-0 



1-8 



0-9 



0-5 









10-0 



Id. 



18 



910 



38-0 



36-0 



2-0 



0-5 



1-3 







2: 



— : 



— 



10-0 



Id. ; cirro-strati ; cirrous mass. 



19 



915 



38-2 



36-3 



1-9 



1-4 



1-6 



31 



1 • 



— 



— 



10-0 



Scud and dense cir.-str. ; nearly homogeneous ; rain^'''^ 



20 



919 



38-0 



36-8 



1-2 



1-5 



1-1 



31 



1 



— 



— 



10-0 



Id. ; id. ; id. 



21 



935 



38-4 



37-2 



1-2 



1-5 



11 



31 







— 



— 



10-0 



Id. ; rain"-^ 



22 



943 



42-0 



39-7 



2-3 



l-O 



0-9 



2 



4 



— 



— 



10-0 



Scud ; loose cumuli ; cirro-strati ; rain**'^ 



23 



968 



42-4 



39-3 



3-1 



1-6 



1-4 



3 



4 



— 



— 



9-5 



Id. ; id. ; shower of hail at 22^ 30™. 







28-997 



40-3 



39-3 



1-0 



2-2 



20 



3 



4 



— 



— 



10-0 



Thick scud and loose cumuli ; shower^ 



1 



29-020 



40-9 



39-5 



1-4 



2-5 



2-3 



3 



4 



— 



— 



100 



Id. ; rain»-5 



2 



041 



42-0 



39-6 



2-4 



3-0 



2-2 



4 





10-0 



Rain^, slightly mixed with sleet. 



3 



057 



42-7 



39-3 



3-4 



4-0 



2-9 



3 



4 







— 



9-8 



Scud ; loose cumuli ; cirro-strati ; cirro-cumuli. 



4 



086 



40-9 



37-7 



3-2 



3-4 



2-9 



2 



3 



— 



— 



9-8 



Id. 



id. 



5 



105 



40-9 



37-5 



3-4 



3-5 



3-4 



2 



3 



— 



— 



9-8 



Id. 



showers around ; milky haze above. 9 



6 



119 



40-4 



37-4 



3-0 



3-8 



3-3 



2 



3 



— 



— 



10-0 



Id. 



id. ; id. 



7 



140 



40-3 



37-8 



2-5 



4-1 



3-0 



1 



3 



— 



— 



10-0 



Id. 



dense cirrous mass. 



8 



165 



38-9 



37-8 



1-1 



3-3 



2-8 



1 



3 



— 







10-0 



Id. 



id, ; rain^ 



9 



192 



39-8 



37-7 



2-1 



2-2 



2-2 



2 





10-0 



Id. 



id. > 



10 



203 



40-1 



37-8 



2-3 



2-1 



2-0 



1 





10-0 



Id. 



clouds broken. ^ 



11 



225 



39-8 



36-8 



3-0 



3-2 



2-5 









90 



Id. 



thin cirri. ¥ 



12 



236 



39-8 



37-3 



2-5 



2-6 



1-9 



1 





I 100 



As before. 



13 



29-256 



39-6 



37-3 



2-3 



2-6 



1-4 



1 





i 10-0 



As before. 



14 



266 



39-3 



36-5 



2-8 



3-2 



2-4 



1 





! 2-0 



Id. 



15 



281 



38-6 



35-3 



3-3 



2-9 



1-7 



1 





9-0 



Id. ; sky in zenith. 



16 



289 



39-0 



35-6 



3-4 



31 



1-9 



2 





10-0 



Id. 



17 



310 



38-0 



35-7 



2-3 



2-3 



1-5 



1 



3 



: — 



. 



9-5 



Scud ; cirro-cumuli ; cirri ; shower""'"' 



18 



326 



37-8 



360 



1-8 



1-6 



0-7 



1 



3 



— 



- — 



10-0 



Id. ; drops of rain. 



19 



350 



38-0 



36-3 



1-7 



20 



1-2 



1 



3 



— 



— 



10-0 



Id. ; rain'i ; 19'» 10"", sleet ; 20"', parhelion. 



20 



366 



38-0 



37-0 



1-0 



2-0 



1-2 



1 



3 



— 



— 



9-5 



Id. ; cirro-cumulo-strati ; cir.-str. ; frequent showers. 



21 



368 



40-0 



38-3 



1-7 



1-1 



1-7 



2 



2 







— 



9-5 



Loose scud and nimbi ; showers around. 



22 



390 



38-4 



37-3 



11 



3-1 



2-3 



2 



2 



3 







8-0 



Id. 



cir.-cum.-str. ; nimbi ; cirri ; rain^ 



23 



410 



42-1 



39-0 



3-1 



30 



1-8 



1 



2 







— 



! 9-9 



Id. 



id. ; id. ; id. 







416 



42-4 



39-0 



3-4 



3-3 



2-9 



2 



2 











9-5 



Id. 



loose cumuli ; nimbi. # 



1 



425 



43-2 



39-0 



4-2 



3-7 



1-5 



1 



2 







— 



' 9-9 



Id. 



cumuli to N. ; id. 



2 



438 



43-7 



38-8 



4-9 



3-1 



2-0 



2 



2 



— 



— 



9-9 



Id. 



id. ; cirro-strati. 



3 



435 



43-6 



39-3 



4-3 



3-2 



2-0 



1 



2 











1 9-9 



Scud and loose cumuli ; cumulo-strati ; cirro-strati. 



4 



432 



43-3 



38-4 



4-9 



2-1 



1-4 



2 



2 







, 



9-8 



Id. ; cirro-strati. 



5 



460 



42-8 



38-7 



4-1 



1-8 



0-9 



2 



2 











1 9-9 



Id. ; id. 



6 



484 



42-p 



38-2 



4-0 



2-3 



0-7 



4 



2 



1 



— 



1 9-5 



Scud ; cirro-stratous scud. 



7 



492 



41-3 



37-3 



4-0 



0-5 



0-3 



3 



— 



1 



— 



[ 8-0 



Cirro-stratous scud. Q 



8 



508 



39-4 



36-3 



3-1 



0-5 



0-2 



1 



— 



1 



— 



2-5 



Id. D 



9 



509 



36-0 



34-2 



1-8 



0-2 



0-1 



2 





0-5 



Id. D [NE. D 



10 



515 



34-0 



32-9 



1-1 



01 



01 



24 





0-2 



Id. ; broad strips of thin cirri lying SW. and 



11 



512 



331 



321 



1-0 



00 



0-0 







j 0-0 



Clear. ]) 



12 



513 



31 -'4 



30-9 



0-5 



01 



0-0 



22 





i 00 



1 



Id. J 



13 



29-509 



31-4 



30-8 



0-6 



01 



00 



22 





0-1 



Haze or thin cirro-strati to N. 



14 



506 



29-0 



28-6 



0-4 



0-1 



0-0 







1 0-3 



Cirro-strati to NE. 



15 



508 



30-7 



30-0 



0-7 



0-2 



0-0 



20 





i 7-5 



Cirro-strati. 



-iii 



502 



30-0 



29-5 



0-5 



0-0 



00 







1 3-0 



Cirro-stratous scud. 



The 



direction 



of the wind is 



indicated bj 



' the r 



lumbei 



" of the point of the coi 



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



)tio 



a of the th] 



ree strata of clo 



uds, So. (scu 



d), C. 



-s. (cir 



ro-stratus), and Ci. (cirr 



us), are indicated in a similar manner. 



MA 



6. AND M] 



ET, OBS 



.1845 























2x 



