220 



Hourly Meteorological Observations, May 7 — 9, 1844. 



Gbtt. 

 Mean 

 Time. 



d. li. 



7 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 



8 

 1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 



10 

 11 

 12 



13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 



9 

 1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 



10 

 11 

 12 



13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 



Baro- 

 meter 

 at 32°. 



29-752 

 764 

 768 

 779 

 782 

 784 

 782 

 778 

 765 

 750 

 744 

 734 

 718 

 709 

 703 

 711 

 726 

 745 

 752 

 763 

 767 



29-765 

 759 

 763 

 762 

 762 

 763 

 768 

 764 

 765 

 748 

 746 

 727 

 719 

 718 

 709 

 705 

 707 

 709 

 715 

 714 

 715 

 708 

 700 

 685 



29-675 

 663 

 664 

 669 

 674 

 681 

 688 

 695 

 700 

 701 

 692 



Thermometers. 



Dry. 



36-5 

 35-2 

 38-0 

 41-6 

 46-0 

 51-0 

 52-3 

 55-2 

 58-1 

 62-1 

 62-6 

 62-0 

 62-9 

 610 

 620 

 58-0 

 54-2 

 51-0 

 47-2 

 44-3 

 41-9 



39-7 

 35-5 

 33-8 

 32-0 

 340 

 35-9 

 41-2 

 46-3 

 51-9 

 55-6 

 59-0 

 63-8 

 63-8 

 63-7 

 67-1 

 64-0 

 60-0 

 58-0 

 530 

 52-2 

 51-2 

 50-7 

 50-7 

 50-5 



50-3 

 50-0 

 48-8 

 46-8 

 45-2 

 42-9 

 44-2 

 470 

 43-4 

 45-5 

 46-3 



Wet. 



35-9 

 34-8 

 370 

 39-5 

 42-3 

 46-8 

 46-4 

 48-2 

 500 

 53-6 

 52-9 

 54-6 

 54-5 

 53-2 

 54-0 

 50-0 

 48-0 

 46-6 

 43-9 

 41-6 

 39-7 



38-0 

 350 

 33-5 

 31-8 

 33-4 

 35-1 

 39-9 

 43-3 

 46-5 

 48-3 

 51-2 

 54-7 

 54-2 

 530 

 55-6 

 54-0 

 52-7 

 51-9 

 51-5 

 51-3 

 50-8 

 50-3 

 50-0 

 50-1 



500 

 49-4 

 47-0 

 44-2 

 43-3 

 40-4 

 41-4 

 430 

 42-2 

 44-1 

 44-9 



Diff. 



0-6 

 0-4 

 1-0 

 21 

 3-7 

 4-2 

 5-9 

 7-0 

 8-1 

 8-5 

 9-7 

 7-4 

 8-4 

 7-8 

 8-0 

 8-0 

 6-2 

 4-4 

 3-3 

 2-7 

 2-2 



1-7 

 0-5 

 0-3 

 0-2 

 0-6 

 0-8 

 1-3 

 30 

 5-4 

 7-3 

 7-8 

 9-1 

 9-6 

 10-7 

 11-5 

 10-0 

 7-3 

 6-1 

 1-5 

 0-9 

 0-4 

 0-4 

 0-7 

 0-4 



0-3 

 0-6 

 1-8 

 2-6 

 1-9 

 2-5 

 2-8 

 4-0 

 1-2 

 1-4 

 1-4 



Wind. 



Maximum 

 force in 

 l h . ,10'". 



From 



lbs. 



0-0 

 0-0 

 00 

 0-0 

 0-0 

 00 

 00 

 0-0 

 0-0 

 00 

 0-0 

 0-1 

 0-1 

 00 

 0-2 

 0-6 

 0-4 

 |0-2 

 0-0 

 00 

 0-0 



lbs. 



0-0 

 0-0 

 00 

 0-0 

 00 

 00 

 00 

 00 

 0-0 

 0-0 

 00 

 00 

 00 

 00 

 0-2 

 0-2 

 0-2 

 00 

 0-0 

 00 

 00 



00 

 0-0 

 00 

 0-0 

 0-0 

 00 

 0-0 

 00 

 00 

 00 

 0-0 

 00 

 0-2 

 0-1 

 0-1 

 0-2 

 0-1 

 0-1 

 00 

 0-0 

 0-0 

 0-0 

 00 

 00 



00 

 0-0 

 0-2 

 00 

 00 

 00 

 0-0 

 0-0 

 05 

 0-1 

 0-2 



pt. 



4 

 7 

 4 

 15 

 14 

 14 

 16 

 16 



16 



19 

 18 

 19 

 18 

 20 

 20 

 20 

 20 

 20 

 20 



24 



25 

 26 

 26 

 29 

 28 

 30 



Clouds, 



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



moving 



from 



pt. 



pt. 



— 



23: 



— 



23 : 



20 



— : 



20 



— • 



20 



— : 



18 



— : 



pt. 



19 



22 

 22 

 22 

 24 



18 :24 

 18: — 

 — : 19 

 20 : 19 

 20: 19 



26 



2(1 

 20 



:20 

 :23 



22 



19 



Sky 

 clouded 



25 : 20 : — 



28 



o—io. 

 40 

 4-0 

 80 

 80 

 8-0 

 60 

 20 

 2-0 

 7-0 

 8-5 

 8-5 

 8-0 

 70 

 90 

 9-5 

 9-5 

 6-0 

 3-0 

 30 

 1-5 

 10 



0-5 



0-5 



0-5 



10 



1-5 



2-5 



30 



60 



7-0 



7-0 



8-0 



9-7 



9-0 



7-0 



8-0 



90 



9-7 



9-9 



100 



100 



100 



10-0 



100 



10-0 



100 



10-0 



9-7 



9-7 



8-0 



20 



5-0 



9-7 



10-0 



100 



10-0 



Species of Clouds and Meteorological Remarks. 



Cirro-stratous scud ; cirri, cirro-strati, and cirrous liaze 

 Cirro-cumulous scud ; thick scud to N. and S. ; cirri. 

 Scud and loose cumuli ; cirri, cirro-strati, cirrous haza 

 Scud ; cirro-strati on horizon. 



Id. ; id. 



Cirro-cumulous scud ; very hazy to E. 

 Cirri, cirro-strati, and masses of cumuli. 

 Scud and cumuli ; cirri and cirrous haze. 

 Scud ; cirrous haze on horizon. 

 Scud and loose cumuli. 



Id. 



Id. ; cirri. 



Id. ; linear cirri and cirrous haze. 



Cumuli, cumulo-strati ; loose scud ; fine cirri ; hazy. 

 Scud and loose cumuli ; very hazy on E. horizon. 



Id. ; cirri to N. 



Scud, cirro-strati, and woolly cirri. 

 Patches of scud ; cirrous haze. 

 Cirri and cirrous haze. 

 Cirri to N. and E. 

 Id. 



Cirri to N. and E. 

 Id. 

 Id. 

 Woolly and diffuse cirri ; mist from the river. 

 Id. ; Sun risen very red. 



Id. ; hazy cirri to E. 



Woolly cirri lying N. and S. ' 



Woolly cirri and cirrous haze ; thick haze on horizon. 

 Woolly and linear cirri and cirrous haze. 



Id. 

 Cirri and cirro-cumuli. 

 Cirro-cumulo-strati. 

 Cirro-cumuli, cirro-strati. 



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



Cirro-cumulo and cirro-strati nearly stationary. 

 Patches of scud ; cirro-cumulo, cirro-strati ; cum. to E. 

 Cirro-stratous scud ; woolly cirri. 

 Uniform mass of cirro-strati ; scud 

 Id. ; id. : 



Id. ; id. 



As before. 



Id. 

 Light rain. 

 Raining. 



Light rain. 



'id. 

 Sky on N. horizon. 

 Loose scud ; cirro-strati and cirrous clouds. 



Id. ; thicker scud. 



Scud to E. ; loose scud lying on Cheviot. 

 Scud. 



Loose scud in patches : thicker scud above. 

 Scud ; rain. 

 Id. ; id. 

 Scud in two currents ; raining. 



drops of rain, 

 slight shower. 

 still raining. 



The direction of the wind is indicated by the number of the point of the compass, reckoning K". = 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. 



24. The 



