240 



Hourly Meteorological Observations, June 30— July 2, 1844. 



Gbtt. 

 Mean 



Baro- 

 meter 



Thermometers. 









Time. 



at 32°. 



Dry. 



Wet. 



Diff. 



d. h. 



in. 



o 



o 



o 



30 13 



29-657 



45-2 



44-6 



0-6 



14 



648 



44-0 



43-9 



0-1 



15 



637 



42-5 



42-5 





16 



636 



45-8 



45-2 



0-6 



17 



637 



46-4 



46-0 



0-4 



18 



634 



47-9 



46-9 



1-0 



19 



635 



50-0 



48-9 



1-1 



20 



635 



520 



50-5 



1-5 



21 



640 



56-3 



53-4 



2-9 



22 



636 



550 



521 



2-9 



23 



641 



570 



53-0 



4-0 



1 



639 



59-1 



53-8 



5-3 



1 



643 



591 



53-8 



5-3 



2 



647 



60-5 



54-3 



6-2 



3 



645 



57-7 



530 



4-7 



4 



646 



57-9 



53-2 



4-7 



5 



635 



57-4 



53-1 



4-3 



6 



633 



55-8 



51-9 



3-9 



7 



643 



530 



50-2 



2-8 



8 



650 



52-7 



49-8 



2-9 



9 



662 



51-2 



49-1 



21 



10 



664 



50-7 



490 



1-7 



11 



670 



49-6 



48-8 



0-8 



12 



675 



49-8 



490 



0-8 



13 



29-671 



49-7 



490 



0-7 



14 



665 



49-5 



48-7 



0-8 



15 



659 



48-8 



48-2 



0-6 



16 



661 



47-3 



47-1 



0-2 



17 



664 



47-8 



47-2 



0-6 



18 



670 



49-3 



48-6 



0-7 



19 



666 



50-2 



49-2 



10 



20 



672 



53-3 



50-3 



30 



21 



675 



56-6 



51-9 



4-7 



22 



678 



562 



51-2 



50 



23 



684 



53-2 



49-1 



4-1 



2 



684 



57-7 



50-8 



6-9 



1 



681 



60-1 



52-3 



7-8 



2 



679 



60-7 



52-6 



8-1 



3 



676 



63-0 



54-7 



8-3 



4 



671 



62-6 



54-2 



8-4 



5 



659 



61-8 



52-8 



90 



6 



653 



610 



52-0 



90 



7 



658 



56-7 



50-8 



5-9 



8 



659 



54-9 



49-6 



5-3 



9 



668 



53-3 



48-0 



5 3 j 



10 



678 



52-7 



48-0 



4-7 



11 



681 



42-0 



48-3 



3-7 i 



12 



676 



51-3 



48-0 



3-3 I 



13 



29-669 



50-3 



48-1 



2-2 



14 



668 



49-8 



48-0 



1-8 ! 



15 



659 



491 



47-3 



1-8 i 



16 



658 



48-8 



47-1 



1-7 I 



17 



655 



47-7 



46-6 



1-1 



18 



656 



500 



48-8 



1-2 | 



19 



657 



51-7 



50-2 



1-5 



20 



655 



54-5 



51-9 



2-6 



Wind. 



Maximum 





force in 



From 



1'. 



10™. 





lbs. 



lbs. 



pt. 



0-7 



00 





0-0 



0-0 





00 



00 





00 



0-0 





0-0 



0-0 





0-0 



0-0 





0-0 



0-0 



16 



0-0 



0-0 





0-0 



00 



4 



00 



00 





0-0 



00 



2 



01 



0-2 



2 



0-5 



0-4 



6 



0-6 



0-3 



4 



0-7 



0-6 



4 



0-6 



0-4 



5 



0-4 



0-4 



8 



0-4 



0-4 



5 



0-5 



0-2 



6 



0-2 



0-2 



3 



0-2 



0-1 



3 1 



01 



0-1 





01 



0-0 



4 



00 



00 



4 



00 



00 



4 



00 



0-0 



3 



00 



0-0 



3 



00 



0-0 





0-0 



0-0 





00 



0-0 





0-0 



00 





0-0 



00 





0-0 



00 





0-1 



01 



4 



0-2 



01 



4 



0.2 



0-1 



8 



0-2 



0-1 



6 



01 



00 





0-0 



00 





0-0 



0-0 





0-0 



00 





0-0 



0-0 





00 



0-0 



4 



00 



0-2 



4 



0-2 



0-0 



4 



0-0 



00 



4 



0-0 



0-0 



4 



00 



00 





00 



00 





00 



0-0 





00 



0-0 



4 



00 



0-0 



2 



0-0 



0-0 





0-0 



0-0 





00 



00 



4 ! 



0-0 



0-0 



7 



Clouds, 





Sc. : C.-s. 



:CL, 



Sky 



mo vie 



S 



clouded. 



from 







pt. pt. 



P t. 



0—10. 



1-5 

 0-5 

 6-0 

 10-0 

 100 

 100 

 10-0 

 10-0 



4 



— 



— 



100 



4 



— 



— 



100 



3 



— 



— 



100 



3 



— 



— 



10-0 



2 



24 



— 



9-0 



2 



— 



— 



7-0 



4 



24 



— 



60 



6 



— 



— 



8-0 



6 



24 



— 



4-0 



5 



— 



— 



4-0 



6 



25 



— 



4-0 



8 



26 



— 



90 







9-9 



28: — 



— 



100 

 9-9 



28: — 



— 



9-8 



28: — 



— 



10-0 

 9-8 



— :28 



— 



80 



4:28 



— 



9-5 

 90 



4:28 



28 



30 

 30 



5 :26 







90 



2: — 





100 



100 



9-8 



28 : 4 



— 



9-6 



2: — 



— 



9-5 

 9-5 



31 



— 



— 



7-0 







— 







9-3 



— 



28 



— 



7-0 



28 



28 



— 



8-2 



— 



— 



28 



90 







9-5 







100 







100 



28: — 





100 

 10-0 



100 



9-9 

 9-9 



— 



31 



— 



9-5 



29 



— 



— 



3-0 



— 



29 



— 



80 



7 



28 



— 



9-8 



7 



28 



— 



9-8 



Species of Clouds and Meteorological Remarks. 



Cirri and cirro-strati on N. and S. horizon. 



Id. ; heavy dew. 



Cirri, cirro-strati, and haze. 

 Sky covered with a uniform mass of scud. 

 As before ; very foggy. 



Id. 

 Sky covered with a uniform mass of dense clouds. 



Id. 

 Foggy scud ; fog about 2 miles off. 

 Id. 

 Id. 

 Foggy scud and loose cumuli. 



Loose cumuli ; cirro-cumulous scud ; clouds broken. 

 Scud and loose cumuli ; streaks of cirri. 



Id. ; patches of cir.-cum. scud, disappearing 



Id. ; cirro-cumulous scud. [quickly. 



Id. ; id. ; cirri. 



Id. ; cirri and cirro-strati. 



Id. ; scud, higher ; cirri and cirro-strati. 



Patches of scud ; cirro-cumulous scud ; cirri. 

 As before ; heavy clouds to E. and NE. 

 Scud ; a few drops of rain. 

 Id. ; slight shower since 10 h . 

 Id. ; cirro-strati and sky to NE. 



Scud. 



Id. ; clouds rather broken ; rain 0-5 

 Cirro-cumulo-strati, moving slowly ; thin smoky scud. 



Id. ; id. 



Id. ; id. 



Loose scud and cum. ; cir.-cum. scud ; cirri. 

 As before. 



Thin scud moving rapidly ; cir.-cum. -str., cirri, and cirro-strati. 



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

 Id. ; id. 



Id. 

 Thin scud ; scud and loose cumuli. 

 Scud and loose cum. ; ranges of cum. ; cirro-strati. 

 Id. 

 Id. 



Id., moving slowly ; cum., cir.-str. 



Cirro-cumuli ; cumuli and cirro-strati on horizon, a 

 Cir.-str. scud, cumuli, and cum. -str. moving slowly. 

 Thick and dark wavy cir.-str. ; woolly cirri. 

 Id. 



Id., looser than before. ( 



Id., id. 



Thick heavy scud. 

 Id. 



Thick heavy scud. 



Id. ; sky on N. horizon. 



Scud and cir.-str. scud : slight shower at 14 h 40™. 

 Cirro-cumulous scud and cirro-cumuli. 

 Scad ; cirro-cumuli and cirro-strati. 

 Cirro-stratous scud ; cirro-cumuli, cirro-strati. 

 Thin smoky scud ; large cirro cumulo-strati. 

 As before ; cumuli and cumulo-strati to E. and S. 



24. The 



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

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



July l d l h . For an explanation of the symbols used after the meteorological remarks, see Introduction. 



July l d 18 h . Fine linear, mottled, and arborescent cirri : loose smoky scud trailing on the ground ; patches of smoky scud suddenly 

 rise to SW. and as suddenly disappear. 



