390 



Daily Meteorological Observations, August 18 — 24, 1846. 



Gbtt. 

 Mean 

 Time. 



Baro- 

 meter 

 at 32°. 



Thermometers. 



Wind. 



Cloud 



s, 



:Ci., Sky 



5 clouded. 



Species of Clouds and Meteorological Remarks. 



Dry. 



Wet. 



Diff. 



Maxi 

 for( 



Ih. 



mum 

 ;e in 



10". 



Prom 



Sc. : C.-s. 



movin 



from 



d. h. 



in. 



o 



o 



o 



lbs. 



lbs. 



pt. 



pt. pt. 



pt. 0—10. 





18 



29-274 



58-8 



58-4 



0-4 



0-4 



0-1 



6 



11 



: — 



:— 10-0 



Scud ; mass of cirro-strati ; rain- 



2 



265 



63-6 



61-0 



2-6 



0-2 



0-1 



4 



11 



: — 



:— 9-5 



Id. ; loose cumuli ; cirro-cumulo-strati. 



4 



261 



66-7 



61-4 



5-3 



0-1 



01 



11 



14 



: — 



.— 5-0 



Loose cumuli. 



6 



273 



62-6 



59-5 



31 



0-1 



0-1 



18 



14 



: — 



:— 7-5 



Electric clouds to S. and W. ; cumuli ; woolly cirri. 



8 



307 



56-2 



55-0 



1-2 



0-2 



0-0 



10 



10 



: — 



. 14 5-0 



Scud ; cirri. 



10 



339 



55-8 



55-6 



0-2 



0-1 



0-1 



2 





10-0 



Overcast ; slight fog. 



18 



29-406 



52-0 



51-6 



0-4 



0-2 



0-0 



14 





10-0 



Fog, rendering trees invisible at ^ of a mile. 



20 



439 



53-0 



52-5 



0-5 



0-1 



0-0 



24 



22 



: 6 



:— 8-5 



Loose foggy scud clearing off ; scud and woolly cir.-s 



22 



456 



62-8 



60-3 



2-5 



0-1 



0-1 



6 



3 



: 



— 8-5 



Misty scud ; loose cumuli ; woolly cirri. 



19 



468 



64-0 



58-8 



5-2 



0-3 



0-4 



2 



2 



— 



— 8-5 



Scud and loose cumuli ; large piles of cumuli to W. 



2 



478 



65-0 



59-2 



5-8 



0-5 



0-2 



4 



31 



— 



:— 3-5 



Loose cumuli. 



4 



483 



65-4 



59-0 



6-4 



0-4 



0-2 



2 



1 



. 



■— 4-0 



Id. 



6 



503 



64-0 



59-0 



5-0 



0-2 



0-1 



7 





1-5 



Cum., cum.-str., cirri, and cirrous haze round horizon 



8 



512 



59-2 



57-9 



1-3 



0-1 



0-1 



31 





0-2 



Stratus and haze round horizon. 



10 



536 



54-8 



54-2 



0-6 



01 



0-1 



18 





7-5 



Scud and cirro-strati ; misty. 



18 



29-514 



52-8 



52-3 



0-5 



0-1 



00 



20 



— :30 



— 9-8 



Cirro-cumulo-strati and cirro-strati. 



20 



512 



57-0 



55-3 



1-7 



0-2 



0-2 



20 



24 : 30 



— 100 



A few patches of scud ; cir.-str., cir.-cum., and cir. ha 



22 



509 



59-7 



56-0 



3-7 



0-5 



0-4 



22 





100 



Id. ; dense mass of cirro-stratus. 



20 



498 



59-6 



57-8 



1-8 



0-4 



0-1 



18 



18 



— 



— 100 



Loose scud ; dense mass of cir.-str. ; rain^~^ since k 



2 



481 



606 



58-8 



1-8 



0-4 



0-3 



20 



20 



— 



— 100 



Scud ; rain^'^ [observatio 



4 



460 



62-1 



600 



2-1 



0-2 



0-1 



17 



21 



— 



— 100 



Id. ; cirro-strati. 



6 



457 



60-8 



58-6 



2-2 



0-2 



01 



21 



21 



— 



— 9-9 



Id. ; id. 



8 



471 



59-6 



58-0 



1-6 



0-1 



0-1 



22 



24 



— 



— 10-0 



Id. ; cirro-stratus. 



10 



488 



58-3 



57-5 



0-8 



0-1 



0-1 



19 





10-0 



Id. ; id. 



18 



29-564 



590 



57-5 



1-5 



0-1 



0-1 



24 



2: — 



— 10-0 



Scud ; cirro-stratus. 



20 



621 



60-1 



58-2 



1-9 



0-5 



0-1 







2 



— 



— 10-0 



Id. 



22 



671 



60-0 



57-3 



2-7 



0-5 



0-7 



1 



2 



— 



— 10-0 



Id. ; id. 



21 



705 



62-2 



58-0 



4-2 



0-4 



0-3 



1 



1 



1 



— 9-9 



Scud and cirro-cumulo-strati ; cirro-stratus. | 



2 



733 



65-0 



60-2 



4-8 



0-3 



01 



5 











— 9-9 



Id. ; id. ) 



4 



741 



66-7 



61-6 



51 



0-1 



0-1 



18 



14 



30 



— 7-0 



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



6 



755 



66-7 



60-8 



5-9 



0-1 



0-1 



1 







30 



— 9-0 



Cirro-cumulo-strati. ; 



8 



793 



59-2 



57-0 



2-2 



01 



0-1 



4 



28 



— 



— 3-0 



Scud ; woolly cirri. 



10 



815 



58-0 



56-5 



1-5 



01 



0-0 







9-0 



Scud and cirro-strati. 



18 



29-819 



54-0 



53-0 



1-0 



01 



00 



20 



— :26 



— 60 



Cirro-cum. -strati. [from about WSW. an hoar a. 



20 



836 



54-2 



53-2 



1-0 



0-2 



01 



30 





100 



Fog, trees are invisible at 400 yards. The fog camcj) 



22 



836 



60-4 



57-6 



2-8 



01 



01 



20 





10 



Cumulo-strati ; cumuli and haze round horizon. |D 



22 



828 



66-5 



62-2 



4-3 



0-3 



0-2 



18 



24 







— 60 



Loose cumuli. 3 



2 



827 



67-8 



62-8 



50 



0-7 



0-3 



18 



21 



— 



— 5-0 



Id. 3 



4 



819 



69-4 



63-9 



5-5 



0-5 



0-3 



20 



29 



— 



— 2-5 



Scud and loose cumuli ; streaks of cirro-stratus. 3 



6 



825 



66-0 



62-0 



4-0 



0-2 



0-1 



3 



29 



24 



— 4-5 



Loose cum. ; cir.-cum.-str. ; cirri rad. from SW by .' 



8 



843 



630 



60-0 



30 



0-1 



0-1 



4 



— 



29. 



— 100 



Cirro-stratous scud. [very hazy on ho3 



10 



858 



61-7 



60-0 



1-7 



0-1 



0-1 



20 





100 



Id. 1 



23 



29-995 



56-0 



55-7 



0-3 



1-0 



0-4 



4 



4 



— 



— 10-0 



Scud ; drizzling rain. 



18 



30051 



50-3 



50-1 



0-2 



0-6 



00 



18 



— : 



31 : 



21 8-0 



Cirro-cumulo-strati ; wooUy cirri. '? 



20 



067 



55-2 



53-5 



1-7 



0.1 



01 



15 



— 



31 • 



— 9-8 



Id. ; id. : loose scud on S. li'. 



22 



065 



59-2 



54-7 



4-5 



0-1 



0-0 



8 



2: 



1 : 



— 9-8 



Scud ; cirro-cumulo-str. ; both currents moving slor. 



24 



080 



64-0 



57-7 



6-3 



0-2 



0-1 



16 



4: 



30: 



— 9-0 



Masses of cumuli ; cirro-cumulo-strati. '3 



2 



081 



637 



57-1 



6-6 



0-3 



0-1 



4 



— : 



31 : 



— 10-0 



Id. ; id. 1 



4 



077 



61-7 



55-5 



6-2 



0-2 



0-2 



5 



0: 



28: 



— 5-0 



Id. ; id. i3 



6 



083 



60-0 



54-2 



5-8 



0-5 



0-3 



5 





1-0 



Cumuli. 



8 



095 



55-7 



53-1 



2-6 



0-3 



0-3 4 1 





0-5 



Haze and cirro-strati on horizon. 



10 



117 



47-3 



46-6 



0-7 



0-1 



0-0 



20 





0-0 



Very clear. 



18 



30-124 



420 



41-7 



tO-3 



0-1 



0-0 



16 





0-1 



Streak of cloud on N. hor. ; mist in the valleys. P 



20 



132 



48-8 



48-1 |0-7| 



0-1 



0-0 



20 





1-5 



Cirri radiating from NW. ; cum. and haze on N. hcQ 



The 



direction 



of the wind is indicated by the number of the p( 



)int of the coi 



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



motioi 



IS of the th 



ree strata of clouds, Sc. (scud), C.-s. (cirro-stratus 



), and Ci. (cir 



rus), are indicated in a similar manner. 



Auf 



f. 18" 6i>. 



Two or three peals of thunder since 5'^ from S. a 



md SW. 



. 



