Hourly Meteorological Observations, April 24 — 20", 1844. 



21o 



Gott. 

 Mean 

 Time. 



.1. 



24 5 

 6 

 7 

 8 

 9 



10 

 11 

 12 



13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 



25 

 1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 



10 

 11 

 12 



13 

 14 

 15 



la 



17 

 18 

 19 

 20 

 21 

 22 

 23 



26 

 1 

 2 

 3 

 4 



Baro- 

 meter 

 at 32°. 



29-841 

 857 

 863 

 885 

 905 

 907 

 918 

 919 



29-917 

 915 

 902 



886 



890 

 886 

 890 

 892 

 882 

 882 

 874 

 865 

 846 

 838 

 829 

 820 

 818 

 811 

 804 

 807 

 801 

 794 



29-780 

 764 

 747 

 737 

 723 

 719 

 726 

 726 

 724 

 722 

 719 

 724 

 731 

 767 

 780 

 787 

 807 

 813 

 838 

 856 

 879 

 895 

 913 

 917 



THER.MOMETERS. 



Dry. 



Wet. 



51-8 

 50-0 

 47-9 

 44-7 

 43-9 

 43-7 

 420 

 42-0 



40-2 

 39-7 

 38-4 

 40-9 

 43-3 

 45-2 

 46-1 

 48-7 

 49-9 

 53-3 

 53-6 



43-8 

 42-9 

 41-0 

 39-0 

 38-9 

 39-0 

 38-0 

 38-0 



37-3 

 37-1 

 36-6 

 39-0 

 40-9 

 42-7 

 44-0 

 46-0 

 46-4 

 48-9 

 48-2 

 49-3 

 51-4 

 52-7 

 51-8 

 52-0 

 49-9 

 50-0 

 48-2 

 46-9 

 46-0 

 45-6 

 43-6 

 43-9 



43-2 

 42-9 

 41-7 

 40-9 

 39-6 

 41-1 

 42-6 

 46-0 

 48-0 

 50-8 

 51-3 

 50-2 

 49-2 

 46-7 

 46-5 

 44-6 

 44-0 

 42-2 

 40-0 

 37-2 

 39-0 

 38-0 

 37-9 

 37-2 



Diff. 



8-0 

 7-1 

 6-9 

 5-7 

 5-0 

 4-7 

 4-0 

 4-0 



2-9 

 2-6 

 1-8 

 1-9 

 2-4 

 2-5 

 2-1 

 2-7 

 3-5 

 4-4 

 5-4 

 5-7 

 5-6 

 7-0 

 7-8 

 6-8 

 6-3 

 50 

 4-0 

 3-1 

 2-5 

 2-3 

 1-4 

 1-3 



1-8 

 2-1 

 20 

 2-2 

 1-7 

 2-7 

 2-6 

 2-6 

 2-3 

 4-1 

 6-5 

 6-8 

 5-9 

 4-1 

 5-4 

 90 

 9-1 

 8-0 

 7-6 

 7-9 

 5-4 

 5-3 

 4-3 

 3-1 



Wind. 



Ma.-clmum 

 force in 

 It. 1 10". 



lbs. 



1-4 

 1-1 

 0-8 

 0-4 

 0-0 

 0-1 

 0-2 

 01 



0-1 

 0-0 

 0-0 

 00 

 0-2 

 0-3 

 0-1 

 0-0 

 04 

 1-0 

 0-8 

 1-0 

 1-0 

 1-2 

 2-4 

 2-1 

 0-8 

 0-4 

 0-5 

 0-2 

 00 

 0-0 

 0-0 

 0-0 



00 



0-0 



00 



0-0 



00 



0-2 



0-1 



0-1 



0-7 



1-3 



1-2 



1-3 



0-7 



1-5 



1-9 



1-4 



2-0 



1-4 



2-3 



1-6 



0-8 



0-4 



1-1 



0-3 



U.S. 

 0-5 

 1-3 

 0-4 

 0-0 

 0-0 

 0-0 

 0-1 

 0-0 



0-0 

 0-0 

 0-0 

 0-0 

 0-1 

 0-1 

 0-0 

 0-0 

 0-1 

 10 

 0-4 

 1-0 

 0-8 

 0-5 

 1-6 

 0-4 

 0-4 

 0-4 

 0-1 

 0-0 

 0-0 

 00 

 0-0 

 0-0 



0-0 

 0-0 

 0-0 

 0-0 

 0-0 

 0-0 

 0-0 

 0.3 

 0-5 

 0-9 

 1-2 

 0-4 

 1-7 

 0-9 

 0-8 

 1-6 

 0-6 

 1-4 

 1-5 

 0-4 

 0-4 

 0-4 

 0-2 

 0-0 



From 



Clouds, 



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



moving 



fi-um 



— :24: 

 20 : 24 : 



— ; 23 : 

 20: — : 



22: — : 

 20 : 22 : 



23 



20:- 

 20:- 



;23 



20: — : 

 24: — : 



— : 20 : ■ 



22 



24 : — : — 

 24 : — : — 



Sky 

 clouded. 



0—10. 



I-O 

 20 

 20 

 1-0 

 6-0 

 9-0 

 8-0 

 4-0 



90 



9-7 



7-5 



8-5 



9-8 



10-0 



100 



9-7 



10-0 



1 0-0 



9-9 



10-0 



9-5 



9-5 



8-0 



9-5 



9-5 



9-5 



9-7 



9-9 



10-0 



lO-O 



9-9 



8-0 



8-0 

 8-0 

 7-0 

 6-0 

 5-0 

 5-0 

 9-5 



10-0 

 9-7 

 9-0 

 6-0 



10-0 



10-0 



10-0 

 6-5 

 3-0 

 2-0 

 2-5 

 0-7 

 1-0 

 0-1 

 0-1 

 0-5 

 2-0 



S^jecies of Clouds and .Meteorological Remarks. 



Scud and cumuli. 



Id. ; patches of cirri and cirro-cumuli. 



Id. ; cirro-strati and cyuioid cirri. 



Loose cirri and cirro-strati ; very hazy to E. 

 Loose cirro-cumuli ; lunar corona. 

 Id. 

 Id. 

 Loose cirrous clouds. 



Loose cirrous clouds. 



Id. 



Id. 



Id. 

 Cirro-strati and cirrous clouds. 

 Loose scud ; thick cirro-strati. 



Id. ; id, [and cir.-cum. 



The thick cirrous mass has broken up into woolly cirri 

 Patches of loose scud ; dense cirro-strati. 



Id. ; id. 



Thin scud ; cirro-strati ; woolly cirri. 

 Patches of loose scud ; thicker scud : dense cirro-strati 

 Scud and dense cirro-strati. 

 Loose scud ; linear cirri and cirro-cumuli. 



Id. ; fine linear and woolly-cirri ; cirro-strati. 



Scud and cirro-strati ; cirrous haze ; solar halo ? 



Id. 

 Scud ; diflFuse cirri and cirro-strati ; solar halo. 



Cirro-stratous scud ; linear and woolly cirri ; cir.-str. 



Cirrous clouds and haze. 



Thick cirrous clouds and cirro-strati. 



AVoolly and linear cirri, cirro-strati, cirrous haze. 



Cirro-cumuli, cirro-strati, cirrous haze. 



Cirro-cumuli, cirro-strati, cirrous haze. 



Woolly ciiTi ; stars shining faintly through the cirri. 



Id., cirro-cumuli. 



Woolly cirro-cumuli ; cirro-strati, cirrous haze. 

 Cirri, cirro-strati, and cirrous haze. 

 Id., id., id. 



Cirro-cumulous scud : cirro-strati and cirrous clouds. 

 Loose scud ; cirro-cumulous scud and cirrous clouds. 

 Id. ; id. 



Id. ; id. ; cirri and cirro-strati. 



Scud ; woolly cirri aud cirro-cumuli. 

 Thick scud ; cirro-strati to E. 



Id. 

 Loose smoky scud ; thick scud. 



Loose scud ; cirro-cumuli, cir.-str. lying SW. to NE. 

 Woolly cirri and cirro cumuli ; scud and cumuli. 

 Scud and cumuli ; cirri aud cirro-cumuli ; cirro-strati. 

 Id. ; linear cirri and cirro-strati 



Id. ; id. 



Scud, cirro-strati, cirrous haze. 

 Patches of scud ; haze to E. 



Id. ; id. 



Scud to W. ; sky clear. 

 Scud to S. 



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. 



