Hourly Meteorological Observations, April 29 — May 2, 1844. 



217 







Thermometers. 



Wind. 









Jtt. 



■an 



me. 



h. 



Baro- 

 meter 

 at 32°. 









Clouds, 



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



moving 



from 



Sky 

 clouded. 



Species of Clouds and Meteorological Remarks. 



Dry. 



Wet. 



Diff. 



Maxi 

 fore 



1\ 



mum 

 e in 

 10™. 



From 



in. 



° 



o 



o 



lbs. 



lbs. 



pt. 



pt. pt. pt. 



0—10. 





19 



30-135 



33-5 



321 



1-4 



00 



00 







0-2 



Linear cirri to W. ; haze to E. ; stratus in the valleys. 



20 



144 



370 



36-1 



0-9 



00 



0-0 







0-2 



Id. 



21 



149 



43-1 



39-6 



3-5 



00 



0-0 







0-2 



Thin cirri to SE. 



22 



148 



49-1 



42-3 



6-8 



00 



00 







0-5 



Thin linear cirri to S. and W. ; haze on E. horizon. 



23 



148 



55-9 



44-8 



111 



0-0 



00 



12 



— : — : 16 



0-5 



Thin cirri ; cirrous haze and cirro-strati on N. hor. 







141 



58-9 



47-2 



11-7 



01 



01 



12 





0-5 



Cirri and cirrous haze on horizon. 



1 



140 



61-5 



49-5 



120 



0-3 



0-2 



13 





0-2 



Haze and streaks of cirri on horizon. 



2 



142 



63-1 



48-3 



14-8 



0-2 



0-2 



15 



— : — : 24 



10 



Thin cirri ; streaks of cirri and haze on horizon. 



3 



139 



63-5 



50-2 



13-3 



0-2 



01 







10 



Id. 



4 



128 



64-0 



51-6 



12-4 



0-1 



0-0 







0-2 



Cirrous haze on horizon. 



5 



126 



63-3 



520 



11-3 



0-1 



00 



14 





0-2 



Id. 



? 



138 



59-6 



49-9 



9-7 



0-2 



0-1 



14 





0-7 



Diffuse cirri and haze. 



145 



56-8 



46-1 



10-7 



01 



0-0 







2-5 



Diffuse cirri radiating from about W. 



8 



163 



51-0 



44-1 



6-9 



00 



00 







2-5 



Id. 



9 



179 



46-2 



40-4 



5-8 



0-0 



0-0 







2-5 



Id. 



10 



179 



41-5 



38-0 



3-5 



0-0 



0-0 







3-0 



Diffuse cirri ; lunar corona 3° — 4° radius. 



11 



192 



40-1 



36-4 



3-7 



0-0 



0-0 







1-0 



Light cirri. 



12 



195 



36-9 



34-0 



2-9 



0-0 



0-0 







0-2 



Id., streaks of cirro-strati ; very clear. 



13 



30-197 



35-7 



33-3 



2-4 



0-0 



00 







0-2 



Light cirri, streaks of cirro-strati. 



1-1 



194 



36-6 



34-3 



2-3 



0-0 



0-0 







0-2 



Id., id. 



15 



195 



38-0 



36-0 



20 



00 



00 







0-2 



Id., id. 



16 



203 



35-6 



34-0 



1-6 



0-0 



00 







0-5 



Cirri and cirrous haze on horizon. 



17 



210 



33-6 



32-6 



10 



00 



0-0 







0-2 



Id. 



18 



217 



36-9 



35-4 



1-5 



0-0 



0-0 







0-2 



Id. 



19 



236 



37-9 



35-8 



21 



00 



0-0 



18 





0-5 



Id. 



20 



240 



43-4 



39-3 



4-1 



0-0 



0-0 



24 





0-5 



Linear and diffuse cirri. 



21 



229 



50-2 



45-0 



5-2 



0-0 



00 







0-5 



Id. 



22 



227 



54-2 



48-2 



6-0 



00 



00 







0-5 



Id. 



23 



224 



58-1 



51-5 



6-6 



00 



0-0 





— : — : 20 



05 



Thin cirri moving slowly ; cirrous haze on E. horizon. 







213 



64-7 



53-4 



11-3 



00 



0-0 



14 





0-2 



Linear cirri. 



1 



210 



66-0 



54-3 



11-7 



0-2 



00 



12 





0-2 



Id. 



2 



200 



67-9 



55-7 



12-2 



0-2 



0-2 



13 





0-0 



Very hazy ; ground invisible a few miles off. 



3 



189 



69-5 



56-4 



131 



0-4 



0-2 



14 





00 



Id. ; id. 



4 



175 



71-4 



58-2 



13-2 



0-2 



0-3 



14 





00 



Haze nearly cleared off ; Cheviot visible. 



5 



175 



70-4 



57-8 



12-6 



0-2 



0-1 



13 



— 



— 



22 



1-5 



Linear and woolly cirri. 







176 



68-1 



55-4 



12-7 



0-2 



0-2 



14 



— 



. — . 



22 



3-0 



Id. ; cirrous haze on horizon. 



7 



183 



64-7 



53-8 



10-9 



0-3 



01 



14 



— 



— 



20 



3-0 



Cirri ; thick cirrous haze on horizon. 



8 



193 



59-0 



52-7 



6-3 



0-3 



0-1 



15 



— 



— 



18 



4-0 



Id. ; id. 



9 



199 



55-7 



50-1 



5-6 



0-2 



00 



16 





4-0 



Id. ; id. 



,0 



224 



51-9 



48-3 



3-6 



0-2 



00 



16 





3-0 



Id. ;. id. 



1 



235 



48-2 



46-1 



2-1 



0-1 



0-1 







3-0 



Woolly cirri and cirrous haze. 



2 



245 



43-9 



43-3 



0-6 



0-0 



00 







0-2 



Sky rather hazy ; stars dim. 



3 



30-249 



43-8 



43-2 



0-6 



00 



00 







0-2 



Rather clearer in zenith. 



1 



257 



43-0 



421 



0-9 



0-0 



00 







0-2 



Id. 



Is 



259 



40-8 



40-1 



0-7 



0-0 



00 







0-2 



Streaks of cirri to SW. ; hazy round horizon. 



6 



255 



39-5 



39-2 



0-3 



00 



00 





— : — :31 



40 



AVoolly cirri moving slowly ; cirrous haze. 



7 



257 



41-0 



40-2 



0-8 



0-0 



00 





— : — :31 



6-0 



Woolly cirri and cirrous haze ; red to E. ; hor. hazy. 



8 



269 



43-1 



42-2 



0-9 



0-0 



0-0 







8-0 



Cirri thicker, haze. 



9 



277 



47-6 



450 



2-6 



|o-o 



00 







7-0 



Thin cirri and haze ; the sun projects a faint shadow. 



iO 



281 



51-3 



47-7 



3-6 



loo 



0-0 







7-0 



Cirrous haze over the sky. 



'1 



281 



57-9 



52-9 



5-0 



00 



0-0 





— : — : 24 



100 



A uniform covering of woolly cirri ; solar halo. 



!2 



280 



62-3 



55-6 



6-7 



00 



00 







100 



Id. id. 



13 



271 



64-0 



55-8 



8-2 



0-0 



00 







100 



As before ; no halo. 



2 



258 



65-7 



58-0 



7-7 



00 



00 







10-0 



Cirrous clouds and haze becoming rather thicker. 



1 



243 



68-4 



57-4 



110 



00 



00 







10-0 



Id. 



2 



246 



65-1 



55-7 



9-4 



00 



00 







1 7-0 



Cirrous clouds and cirro-cumuli ; atmospheric haze. 



'h< 



s direction of the wind is indicated by 



the number of the point of 



the com 



pass, reckoning N. - 0, E. = 8, S. = 16, W. = 24. The 



mio 



ns of the three strata of clouds, Sc. (sc\ 



ld), C.-s. (cirro-stratus), an 



I Cir. (ci 



■rus), are indicated in a similar manner. 



la 



¥t1 



y l d 5 h . On removing the dry and w< 

 hermometer, 55 0, 1. 



t thermometers to the E. e 



ad of the 



Observatory, the readings were — Dry thermometer, 69°'5 ; 



MAG. AND MET. OBS. 1844. 



