•7>2 



Hourly Meteorological Observations, May 13 — 15, 1844. 



Gott. 

 Mean 

 Time. 



13 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



14 



1 



2 



3 



4 



3 



6 



7 



8 



9 



10 

 11 

 12 



Baro- 

 meter 

 at 32°. 



15 



Thermometers. 



Dry. 



30091 

 100 

 109 

 102 

 090 

 093 

 093 



30080 

 073 

 090 

 083 

 096 

 105 

 120 

 122 

 181 

 193 

 198 

 203 

 208 

 210 

 203 

 198 

 199 

 193 

 201 

 204 

 204 

 213 

 225 

 237 



30-229 

 226 

 227 

 227 

 233 

 243 

 240 

 247 

 255 

 254 

 260 

 253 

 240 

 233 

 217 

 195 

 182 

 166 

 162 

 159 

 163 

 157 

 148 

 134 



66-0 

 62-6 

 59-5 

 58-6 

 57-9 

 57-8 

 57-1 



55-2 

 56-6 

 551 

 53-9 

 53-6 

 53-5 

 55-2 

 57-0 

 48-2 

 47-9 

 49-0 

 50-7 

 51-8 

 53-9 

 52-9 

 550 

 53-1 

 52-5 

 511 

 49- 1 

 46-4 

 46-3 

 44-8 

 44-3 



44-0 

 44-0 

 44-4 

 44-4 

 44-7 

 45-0 

 48-0 

 49-2 

 500 

 50-9 

 52-5 

 53-2 

 53-0 

 54-1 

 55-0 

 55-6 

 56-2 

 56-2 

 55-3 

 52-7 

 48-7 

 45-9 

 42-2 

 37-2 



57-6 

 56-3 

 54-9 

 54-8 

 54-7 

 540 

 53-8 



529 



52-7 

 52-3 

 511 

 51-3 

 51-5 

 51-9 

 52-7 

 46-3 

 45-7 

 45-9 

 46-8 

 47- 1 

 47-7 

 471 

 48-7 

 470 

 46-8 

 45-6 

 44-8 

 43-7 

 43-3 

 430 

 42-4 



42-4 

 42-9 

 43-4 

 42-7 

 42-3 

 430 

 43-4 

 440 

 46-3 

 44-2 

 45-7 

 46-1 

 46- 1 

 46-5 

 47-3 

 480 

 48-2 

 490 

 48-3 

 47-0 

 44-7 

 42-8 

 40-4 

 36-8 



Wind. 



Diff. 



8-4 

 6-3 

 4-6 

 3-8 

 3-2 

 3-8 

 3-3 



2-3 

 3-9 



2-8 

 2-8 

 2-3 

 20 

 3-3 

 4-3 

 1-9 

 2-2 

 3-1 

 3-9 

 4-7 

 5-2 

 5-8 

 6-3 

 61 

 5-7 

 5-5 

 4-3 

 2-7 

 3-0 

 1-8 

 1-9 



1-6 

 11 

 1-0 



1-7 

 2-4 

 20 

 4-6 

 5-2 

 3-7 

 6-7 

 6-8 

 71 

 6-9 

 7-6 

 7-7 

 7-6 

 8-0 

 7-2 

 7-0 

 5-7 

 40 

 3.1 

 1-8 

 0-4 



Maximum 

 force in 

 li". 10". 



Ihs. 

 0-2 

 0-5 

 0-3 

 0-4 

 0-3 

 0-5 

 0-5 



0-8 

 0-9 

 0-3 

 0-1 

 0-2 

 01 

 00 

 0-2 

 0-9 

 0-2 

 0-2 

 01 

 01 

 01 

 00 

 00 

 00 

 0-0 

 00 

 0-0 

 00 

 0-0 

 0-0 

 00 



0-0 

 0-0 

 0-0 

 0-0 

 0-0 

 0-0 

 00 

 00 

 00 

 01 

 00 

 00 

 01 

 0-0 

 00 

 00 

 00 

 00 

 0-0 

 00 

 00 

 00 

 0-0 

 00 



0-2 

 0-3 

 0-3 

 00 

 01 

 01 

 0-2 



From 



0-0 

 00 

 00 

 00 

 00 

 00 

 00 

 00 

 00 

 0-0 

 00 

 00 

 00 

 0-0 

 00 

 00 

 00 

 00 

 0-0 

 0-0 

 00 

 00 

 00 

 00 



Clouds, 



Sc. :C.-s.:Ci. 



moving 



from 



Sky 

 clouded 



28: 



26 



27 



: 

 31 : 



30; — : — 



;28 



22 



29: — 



:28: — 



U-lll. 



9-7 

 9-5 

 100 

 9-5 

 90 

 9-5 

 90 



80 



9-5 



9-9 



8-5 



8-0 



80 



20 



3-5 



100 



100 



100 



100 



100 



100 



9-7 



9-5 



100 



100 



100 



9-5 



90 



8-0 



9-7 



7-0 



7-0 

 7-0 

 10-0 

 100 

 9-7 

 90 

 9-3 

 80 

 40 

 30 

 2-5 

 4-0 

 0-5 

 0-5 

 1-0 

 10 

 0-2 

 02 

 05 

 0-7 

 2-5 

 20 

 0-5 

 0-2 



Species of Clouds and Meteorological Uemarks. 



Cirro-strati and cirri. 



Cirro-cumulous scud, cirro-strati ; cirri and cir. haze. 



Loose scud ; cirro-cumuli, cirro-strati ; woolly cirri. 



Id. ; mottled cirri, cirro-cumuli. 



Id. ; cirro-cumulous scud, cirro-strati. 



Id. ; id. id. 



Thick scud lying in a belt from NW. to SE. 



Clear in zenith. 

 Masses of scud. 

 Scud. 



Id. ; cirri, cirro-strati, cir.-cum. ; clouds red to E. 



Id. in two currents ; cirri, cir.-str. ; scud on Cheviot. 



Id. ; cirri, cirro-strati ; dense mass on Cheviot. 

 Loose scud ; cirro-strati. 



Loose scud in two currents ; cirro-curaulous scud. 

 Uniform mass of scud. 



Id. 

 Scud. 



Id. 



Id. ; dense cirro-strati. 

 Dense cirro-strati and cirrous haze. 

 Clouds broken up into cir.-str. scud : cirri, cirro-strati. 

 Cirro-stratous scud ; woolly and mottled cirri. 

 Patches of scud ; wooUy cirri and cirrous haze. 

 Woolly cirri and cirro-strati. [NNW. to SSE 



Id. ; narrow belt of dark cir.-str. lying 



Cirro-strati lying E. and W. ; cirri anil cirrous haze. 

 Loose scud ; cirri and haze. 

 Scud ; cirrous clouds and haze. 



Id. ; id. 



Id. ; cirri. 



Scud 

 Id. 

 Id. 

 Id. 

 Id. 



cirri 

 id.; 



sky in zenith, 

 id. 



woolly cirri in narrow bands lying N W. and SE. 

 woolly cirri. 

 Loose woolly cirro-cumuli ; line linear cirri. 



Id. ; cirri and cirro strati. 



Cirri and cirro-strati ; patches of scud. 

 Masses of scud ; linear cirri to S. 

 Thin scud. 

 Scud ; cirri. 

 Thin scud. 

 Patches of scud ; linear cirri. 



Id. ; id. 



Linear cirri and cirrous haze. 

 Cirri aud cirrous haze ; cirro-strati and haze to E. 



Id. 

 Streaks of cirri. 

 Patclies of cirro-strati and cirri : hazy on horizon. 



Id. ; cirro-strati. 



Loose cir.-str., cir.-cum. -str. ; a tendency to cymoid cirri. 

 Scud ; cirro-cumuli. 

 Cirrous haze on horizon. 

 Clear ; cirrous haze on horizon. 



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

 motions of tlie tliree strata of clouds, Sc. (scud), C.-s. (cirro-stratus), and Cir. (cirrus), are indicated in a similar manner. 



May 13'' ao*. At 20' 0" the lowest current of scud was just distingui.'-hable to E. ; at 20'' 12" it covered the whole sky 

 changing at the same time from NW by N. to NE by N. At 20'' 18"' the dry thermometer read .50°0, and the wet 48°'3 

 barometer, .'J0"1G3. 



24. The 



the wind 

 at 201' 3oni_ 



