Hourly Meteorological Observations, May 11 — 14, 1845. 



185 



Baro- 

 meter 

 at 32°. 



29450 

 444 

 448 

 455 

 480 

 493 

 495 

 506 

 554 

 568 

 574 

 586 

 612 

 643 

 659 

 689 

 707 

 719 



29-736 

 766 

 783 

 796 

 812 

 829 

 845 

 865 

 890 

 903 

 923 

 942 

 959 

 975 

 29-986 

 30-002 

 014 

 028 

 055 

 078 

 100 

 111 

 119 

 131 



30-137 

 141 

 148 

 154 

 150 

 160 

 161 

 161 

 152 

 142 

 136 

 132 

 134 

 138 



Thermometers. 



Dry. 



45-9 

 48-0 

 50-0 

 52-0 

 52-2 

 53-4 

 54-4 

 560 

 47-2 

 50-2 

 50-7 

 54-3 

 46-1 

 48-0 

 47-6 

 46-8 

 45-4 

 45-2 



42-9 

 43-0 

 42-3 

 40-9 

 41-7 

 44-0 

 46-4 

 48-9 

 49-8 

 511 

 52-9 

 52-6 

 52-9 

 52-5 

 53-7 

 54-1 

 53-3 

 51-8 

 50-0 

 47-8 

 44-0 

 40-8 

 41-2 

 36-8 



35-3 

 331 

 33-3 

 331 

 35-3 

 36-6 

 42-3 

 46-8 

 52-3 

 57-2 

 53-9 

 560 

 50-8 

 50-3 



Wet. 



42-6t 



43-6 



44-34 



45-3 



46-0 



46-0 



47-0 



48-0 



45-9 



46-4 



46-6 



49-6 



45-7t 



46-OJ. 



44-4 



44-8 



43-5 



43-8 



41-4 



41-2 



40-0 



38-9 



39-2t 



41-0 



42-4 



44-0 



44-74 



45-5 



46-4 



45-6 



47-1 



47-5 



48-3 



48-9 



47-7 



46-5t 



44-9 



43-8 



42-3; 



40-0 



39-7 



36-7 



35-3 

 331 

 33 3 

 33-1 

 34-7 

 36-2 

 40-3 

 44-6 

 48-2 

 50-3 

 48-2 

 50-0 

 47-4 

 47-4 



Diff. 



3-3 



4-4 

 5-7 

 6-7 

 6-2 

 7-4 

 7-4 

 8-0 

 1-3 

 3-8 

 4-1 

 4-7 

 0-4 

 20 

 3-2 

 2-0 

 1-9 

 1-4 



1-5 

 1-8 

 2-3 

 2-0 

 2-5 

 30 

 4-0 

 4-9 

 5-1 

 5-6 

 6-5 

 7-0 

 5-8 

 5-0 

 5-4 

 5-2 

 5-6 

 5-3 

 51 

 4-0 

 1-7 

 0-8 

 1-5 

 0-1 



0-0 

 0-0 

 0-0 

 0-0 

 0-6 

 0-4 

 2-0 

 22 

 4-1 

 6-9 

 5-7 

 60 

 3-4 

 2-9 



Wind. 



Maximum 

 force in 

 Ih. 10°>. 



lbs. 



0-6 

 0-8 

 1-0 

 1-3 

 1-3 

 1-7 

 1-3 

 1-7 

 2-6 

 2-2 

 21 

 0-2 

 1-3 

 0-2 

 0-5 

 0-7 

 0-5 

 0-1 



0-1 

 0-4 

 0-4 

 0-4 

 0-4 

 0-4 

 0-9 

 1-3 

 1-9 

 1-7 

 2-0 

 20 

 1-6 

 1-3 

 0-7 

 1-0 

 1-2 

 0-8 

 0-6 

 0-3 

 01 

 0-1 

 0-1 

 0-0 



0-2 

 00 

 0-0 

 0-0 

 0-2 

 01 

 0-0 

 0-1 

 0-0 

 0-1 

 0-2 

 0-4 

 0-4 

 0-4 



lbs. 



0-3 



0-7 

 10 

 1-7 

 0-6 

 0-8 

 1-1 

 0-8 

 0-7 

 3-1 

 0-2 

 0-1 

 0-1 

 0-2 

 0-5 

 0-6 

 0-2 

 0-1 



0-2 

 0-2 

 0-4 

 0-2 

 0-3 

 0-7 

 0-5 

 0-5 

 0-8 

 1-0 

 1-4 

 0-7 

 0-6 

 0-6 

 0-8 

 0-8 

 0-8 

 0-7 

 0-4 

 0-1 

 0-1 

 0-1 

 0-0 

 0-0 



0-0 

 0-0 

 00 

 00 

 0-0 

 0-0 

 0-0 

 00 

 0-0 

 00 

 0-3 

 0-3 

 0-5 

 0-3 



Prom 



pt. 

 24 

 26 

 28 

 30 

 30 

 30 

 30 

 31 









 30 

 30 





 29 

 31 





 30 

 28 



28 



30 



29 



27 



30 



28 



29 



29 



30 















3 



3 



3 



3 



3 



3 



2 



2 



3 



1 



30 



16 



20 



16 



26 

 24 

 25 

 24 



Clouds, 



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



moving 



from 



pt. 



pt. 



28 



— : 



30 



— ; 



30 



— : 



30 



. — : 



30 



— ■ : 



29 



— : 



29 



: 



30 



— : 



30 



: 



30 



— : 



29 



— 



— : 



— 



28: 



30 



. 



30 



— : 



30 



— : 



30 



— : 



31 



— : 







— : 







— : 







— : 



2 



0: 



3 



— . 



Sky 

 clouded. 



31 

 31 



24: 



24; 



0—10. 

 0-8 

 4-0 

 5-0 

 6-0 

 8-5 

 7-5 

 5-5 

 9-0 

 9-0 

 9-8 

 6-0 

 5-5 

 6-5 

 8-5 

 9-5 

 9-8 

 9-8 

 90 



1-5 

 1-5 

 1-5 

 2-0 

 4-0 

 8-0 

 70 

 6-5 

 5-0 

 8-0 

 90 

 9-7 

 9-9 

 9-9 

 9-0 

 8-5 

 5-0 

 2-5 

 2-0 

 2-0 

 2-0 

 20 

 10 

 0-2 



0-2 



0-5 



2-0 



3-0 



3-5 



1-5 



7-5 



8-5 



10-0 



10-0 



10-0 



10-0 



10-0 



10-0 



Species of Clouds and Meteorological Remarks. 



Woolly cirri ; cirro-strati ; cumulo-strati. O 



Patches of scud ; cirri ; cirro-strati ; cumulo-strati. O 



Id. ; id. ; id. ; id. G 



Scud and loose cumuli ; cirri ; cirro-strati ; eum.-str. O 



As before. © 



Id. e 



Id. O 



Id. ; cumulo-strati to S. ; electric-looking. O 



Scud; cum. ; cum.-str. ; cir.-str. ; cirrous mass ; showers.* 

 Id. ; cumulo-strati ; cirro-strati ; rain^ 

 Id. ; id. ; id. 



Id. ; watery cirro-strati; cumulo-strati; dropsof rain. 

 Scud and nimbi to S. ; cum.-str. to N. and E. ; cir.-str.* 

 Thick scud and cirro-strati ; rain"'- 

 Cirro-stratous scud. 

 Id. 

 Id. 

 Id. > 



Cirro-stratous scud. 



Id. 

 Scud ; cirro-strati. 

 Id. ; id. 



Woolly cirri, radiating from NW. and SE. ; cirro-strati. 



Id. ; id. 



Loose woolly cirro-strati and cirri. © 



Woolly cirri and cirro-strati ; patches of cumuli. O 

 Loose cumuli ; cirro-strati to S. Q 



Id. 

 Id. 



Id. ; thick cirro-stratous scud. 



Id. ; id. 



Id. ; cirro-cumulo-strati. 



Id.; id. © 



Id. ; id. © 



Id. ; id. O 



Id. ; cirro-strati ; cirri. Q 



Loose scud ; cumuli on horizon ; woolly cirri. Q 



Patches of scud ; cirro-strati ; id. Q 



Cumuli ; cirro-strati ; woolly and linear cirri. ]) 



Cirro-strati; cirri ; cirrous haze ; small lunar corona. J) 



Cirri and cirro-strati. ]) 



Id. 



Cirri and cirro-strati. 

 Id. 

 Id. 

 Id. 

 Id. 



Id. [parhelia. O 



Woolly cirri ; cirro-strati ; cirrous mass ; solar halo and 



Id. ; id. O 



Milky cirrous haze over the sky ; cirro-strati ; halo. © 



Cirro-stratous scud; cumuli; cum.-str.; cirrous mass. O 



Scud; cumuli; cumulo-strati; cirrous mass. 



Id. ; cumulo-strati ; cirrous mass. 



Id. ; dense cirrous mass ; rain^ 



Id.; id.; id. 



The direction of the wind is indicated by the number of the point of the compass, reckoning N. — 0, E. = 8, S. = 16, W. = 24. The 



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



May 12<i 3^. Two claps of thunder heard. 6'' 45"". Shower^, with bright double rainbow. 6'' 60"" — 7^ 0". Two peals of thunder to SW. 



,. Loose nimbi, spreading out in some places into masses of watery cirio-stratus ; slate-blue homogeneous clouds to SSW. 



* See additional Meteorological Notes after the Hourly Meteorological Observations. 



MAG. AND MET. OBS. 1845. 



3a 



