248 



Hourly Meteorological Observations, July 21 — 24, 1844. 



Gbtt. 

 Mean 

 Time. 



Baro- 

 meter 

 at 32°. 



21 20 

 21 

 22 

 23 



22 

 I 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 



10 

 11 

 12 



13 

 14 

 IS 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 



23 

 1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 



10 

 11 

 12 



13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 



24 

 1 

 2 

 3 



29-885 

 885 

 885 

 873 

 874 

 877 

 865 

 860 

 846 

 837 

 828 

 830 

 835 

 841 

 824 

 827 

 831 



29-833 

 821 

 819 

 807 

 797 

 789 

 801 

 795 

 786 

 770 

 765 

 752 

 740 

 730 

 729 

 731 

 723 

 708 

 711 

 715 

 717 

 729 

 725 

 732 



29-723 

 717 

 700 

 694 

 699 

 700 

 711 

 716 

 731 

 741 

 752 

 746 

 754 

 757 

 759 



Thermometers. 



Dry. 



62-2 

 63-7 

 66-3 

 65-8 

 67-9 

 66-6 

 68-2 

 70-3 

 72- 1 

 71-0 

 70-2 

 68-3 

 66-0 

 60-2 

 58-8 

 54-6 

 520 



50-3 

 49-2 

 48-2 

 47-8 

 47-2 

 48-9 

 520 

 56-4 

 60-7 

 65-9 

 70-8 

 77-2 

 78-8 

 79-0 

 78-7 

 78-6 

 76-0 

 74-9 

 72-1 

 700 

 67-9 

 63-7 

 62-9 

 62-9 



62-9 

 62-1 

 60-7 

 59-0 

 591 

 59-3 

 61-3 

 66- 1 

 66- 1 

 65-2 

 60-9 

 60-2 

 611 

 64-4 

 64-9 



Wet. 



59-4 

 60-0 

 61-7 

 61-7 

 63-0 

 60-9 

 60-0 

 61-7 

 62-0 

 61-6 

 60-3 

 581 

 58-9 

 56-3 

 56-8 

 53-3 

 51-4 



49-9 

 48-8 

 48-0 

 47-6 

 47-0 

 48-4 

 50-8 

 540 

 57-2 

 600 

 63-2 

 65-0 

 67-2 

 67-6 

 67-9 

 67-6 

 67-6 

 64-9 

 63-2 

 61-7 

 60-7 

 590 

 58-9 

 58-9 



57-6 

 57-7 

 56-7 

 560 

 560 

 56-3 

 .57-9 

 59-7 

 60-1 

 60-1 

 59-9 

 60-0 

 60-6 

 62-2 

 627 



Diff. 



Wind. 



Maximum 

 force in 

 IK 10». 



2-8 



3-7 



4-6 



4-1 



4-9 



5-7 



8-2 



S-6 



101 



t9-4 



99 



10-2 



;7-i 



3-9 

 20 

 1-3 

 0-6 



0-4 



04 



0-2 



0-2 



0-2 



tO-5 



1-2 



2-4 



;3.5 



5-9 



7-6 



12-2 



11-6 



11-4 



10-8 



no 



8-4 

 10-0 

 8-9 

 8-3 

 7-2 

 4-7 

 4-0 

 4-0 



5-3 

 4-4 

 4-0 

 30 

 t3-l 

 ;3-0 

 3-4 

 6-4 

 6-0 

 5-1 

 10 

 02 

 0-5 

 2-2 

 2-2 



lbs. 



0-4 

 0-9 

 1-4 

 1-3 

 0-5 

 0-8 

 1-3 

 0-6 

 0-6 

 05 

 0-3 

 0-4 

 0-2 

 00 

 00 

 0-3 

 00 



0-0 

 0.0 

 00 

 00 

 00 

 0-0 

 0-0 

 00 

 00 

 00 

 00 

 0-2 

 0-4 

 0-4 

 0-3 

 0-2 

 0-2 

 0-5 

 0-3 

 0-3 

 01 

 01 

 00 

 00 



0-1 

 0-1 

 00 

 0-0 

 00 

 0-0 

 00 

 O-I 

 00 

 00 

 1-0 

 0-0 

 01 

 0-1 

 00 



Prom 



lbs. 



0-4 

 0-5 

 0-8 

 0-3 

 0-2 

 01 

 0-9 

 0-3 

 0-6 

 03 

 0-2 

 0-2 

 00 

 0-0 

 

 00 

 00 



0-0 

 0-0 

 0-0 

 0-0 

 0-0 

 00 

 00 

 0-0 

 00 

 00 

 0-9 

 0-6 

 0-2 

 0-2 

 01 

 0-3 

 01 

 0-4 

 0-2 

 01 

 00 

 00 

 00 

 0-0 



00 

 0-0 

 0-0 

 00 

 00 

 00 

 0-0 

 0-0 

 0-0 

 00 

 0-2 

 0-0 

 O-I 

 00 

 00 



Clouds, 



Sc. :C.-s.:Ci. 



moving 



from 



10 

 6 



23 

 6 

 2 

 6 

 4 



12 



25 

 25 



4 

 

 4 



pt. pt. 



20 



20 



20 



20 



20 



14 

 15 



4 : 12 

 12: — 

 4 : 12 



Sky 

 clouded. 



16 



15 



16 



0-10. 



100 

 9-8 

 9-5 

 30 

 05 

 0-5 

 0-5 

 0-2 

 00 

 00 

 00 

 0-0 

 0-0 

 00 

 00 

 00 

 00 



00 

 0-2 

 0-3 

 0-5 

 0-5 

 0-5 

 05 

 0-2 

 0-5 

 0-7 

 2-5 

 20 

 40 

 8-0 

 9-0 

 90 

 90 

 7-5 

 90 

 9-0 

 7-0 

 7-0 

 8-0 

 8-0 



90 



9-0 



8-5 



70 



SO 



80 



85 



90 



9-9 



100 



10-0 



10-0 



100 



100 



100 



Species of Clouds and Meteorological Remarks. 



cirro-strati on E. horizon, 

 horizon. 



Scud ; cirro-stratus. 



Id. 

 Loose scud. 



Id. 

 Masses of loose scud 

 Cumuli on E. and N 



Id. 

 A few cumuli low on E. horizon : very clear. 

 A single patch of cumuli to E. ; very clear. 

 Perfectly clear. 



Id. 



Id. 



Id. 



Id. J) 



Id. J 



Id. 



Id. 



Perfectly clear. 



Patches of cloud to SW. ; cirro-strati and haze to E. 

 Cir.-str., cir.-cum. ; brown haze on E. hor. ; much dew. 

 Cirri and cirrous haze on hor.; cirro-strati to NW. 

 Cirri, cirrous haze, and thin cirro-strati on hor. O 

 Cirro-strati to SW. ; cirrous haze on horizon. O 



Id. ; id. O 



Id. ; id. G 



Haze on horizon ; cirro-strati to W. and SW. O 



Id. ; id. O 



Woolly cirri ; cumuli and haze on horizon. 



Cirri and cir. haze; cum.-str. and cir.-str. ; very hazy. O 

 Id.; id.; id. CD 



Cir.-cum., cir.-str., and general haze ; patches of scud. © 

 Scud ; cirri, cirro-strati, and cirrous haze. 

 As before ; a few drops of rain. 

 Cir.- cum., cirri, cir.-str. ; electric-looking cloud to W. 

 Cirro-strati, cirro-cumuli, and woolly cirri. Q 



Loose cirro-cumuli, cirro-strati, and woolly cirri. O 

 Cirro-cumulous scud, cirro-cumuli, and cirro-strati. Q 

 As before ; patches of mottled cirri ; haze to E. 

 1 Id. ; cirri to W. 

 ] Cirro-cumulous scud ; cirri and cirro-strati. 

 I Id. ; id. 



Cirro-cumulous scud ; cirri and cirro-strati. 

 Id. ; id. 



Cir.-cum., cirri, cir.-str. ; clouds tinged red to E. 

 Id., id., id. ; haze on E. horizon. 

 Id., cirri, cirrous haze. O 



Id., cir.-cum. -str., cir.-str., and cir. haze. O 



Cirro-cumuli, cirro-strati, and cirrous haze. 



As before ; masses of loose cumuli below. 



Thick scud ; cir.-str., cir.-cum., cirri, cirrous haze. 



Thick cir.-str. scud ; cirro .-strati, cirrous haze ; rain""- 

 Id. ; rain' since 22'' 35" when wind was S. 



Rain2-* since 23". 



Two currents of scud ; dense cirro-strati ; rain' 



Loose scud ; der.se cirro-strati. 

 Id. ; id. 



The direction of the wind is indicated by the number of tiie point of the comi>ass, reckoning N. = 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. 



July 23'' a* 20". The highest observed reading of the dry thermometer was 81°-9. At 2' 50" a peal of thunder was heard by Sir 

 Thomas Brisbane. 



