216 



Hourly Meteorological Observations, August 2 — 5, 1845. 



Gbtt. 

 Mean 

 Time. 



d. h. 



2 5 

 6 

 7 

 8 

 9 



10 

 11 

 12 



23J 



3 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 



4 

 1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 



10 

 11 

 12 



13 



14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 



5 

 1 

 2 

 3 

 4 

 5 

 6 

 7 

 8 

 9 



10 



Baro- 

 meter 

 at 32°. 



in. 



29-199 

 195 

 188 

 178 

 172 

 169 

 161 

 148 



29-107 



29-212 

 224 

 233 

 243 

 261 

 280 

 290 

 299 

 312 

 320 

 319 

 335 

 345 

 346 

 359 

 367 

 373 

 381 

 395 

 402 

 416 

 424 

 426 



29-431 

 437 

 449 

 452 

 463 

 473 

 481 

 487 

 490 

 491 

 494 

 495 

 496 

 499 

 496 

 500 

 507 

 516 

 528 

 538 

 535 

 541 



Thermometers. 



Dry. 



61-0 

 61-3 

 60-0 

 58-4 

 53-8 

 51-3 

 52-0 

 52-0 



62-6 



51-6 

 52-4 

 52-7 

 52-9 

 53-0 

 55-1 

 59-8 

 60-0 

 61-2 

 61-6 

 64-7 

 56-0 

 61-0 

 62-5 

 61-0 

 62-4 

 58-4 

 58-1 

 57-5 

 56-2 

 53-6 

 49-8 

 50-0 



48-3 

 48-3 

 46-7 

 47-2 

 47-0 

 49-2 

 52-0 

 54-9 

 56-7 

 60-7 

 65-0 

 64-2 

 67-7 

 67-1 

 68-5 

 63-4 

 61-6 

 60-7 

 59-0 

 57-7 

 55-7 

 54-3 



Wet. 



57-2 

 57-9 

 57-3 

 56-0 

 52-0 

 49-8 

 51-8 

 51-8 



57-0 



50-4 

 50-9 

 51-3 

 51-4 

 51-6 

 52-9 

 56-2 

 56-3 

 57-7 

 58-2 

 59-0 

 55-3 

 56-9 

 57-5 

 56-4 

 56-5 

 54-9 

 55-2 

 54-0 

 53 

 51-6 

 48-9 

 49-0 



47-9 



47-7 



45-3 



46-9 



46-8 



48-8 



50-Ot 



52-9 



53-34 



55-7 



58-0 



56-4 



58-7 



58-2 



59-6 



57-0 



57-4 



57-4 



56-8 



56-4 



54-0 



53-2 



Diff. 



3-8 

 3-4 

 2-7 

 2-4 

 1-8 

 1-5 

 0-2 

 0-2 



5-6 



1-2 

 1-5 

 1-4 

 1-5 

 1-4 

 2-2 

 3-6 

 3-7 

 3-5 

 3-4 

 5-7 

 0-7 

 4-1 

 5-0 

 4-6 

 5-9 

 3-5 

 2-9 

 3-5 

 3-2 

 2-0 

 0-9 

 1-0 



0-4 

 0-6 

 1-4 

 0-3 

 0-2 

 0-4 

 2-0 

 2-0 

 3-4 

 5-0 

 7-0 

 7-8 

 9-0 

 8-9 

 8-9 

 6-4 

 4-2 

 3-3 

 2-2 

 1-3 

 1-7 

 1-1 



Wind. 



Maxim um 

 force in 

 Ih. 10". 



Prom 



lbs. 



0-3 

 0-1 

 0-1 

 0-1 

 0-1 

 0-1 

 0-1 

 0-0 



2-2 



4-0 

 0-7 

 0-4 

 0-4 

 0-6 

 0-9 

 0-5 

 0-5 

 0-6 

 0-6 

 0-9 

 1-2 

 1-5 

 1-1 

 1-0 

 0-9 

 0-8 

 0-4 

 0-5 

 0-3 

 0-1 

 0-1 

 0-1 



0-1 

 0-0 

 0-0 

 0-0 

 0-0 

 0-2 

 0-1 

 0-0 

 0-2 

 0-1 

 0-1 

 0-1 

 0-2 

 0-2 

 0-1 

 0-3 

 0-3 

 0-2 

 0-1 

 0-1 

 0-1 

 0-1 



lbs. 



0-0 

 0-0 

 0-0 

 0-1 

 0-0 

 0-0 

 0-0 

 0-0 



1-0 



0-5 

 0-5 

 0-3 

 0-5 

 0-5 

 0-4 

 0-5 

 0-2 

 0-3 

 0-7 

 0-6 

 0-9 

 0-8 

 0-5 

 0-6 

 0-7 

 0-4 

 0-2 

 0-2 

 0-1 

 0-0 

 0-1 

 0-0 



0-0 

 0-0 

 0-0 

 0-0 

 00 

 0-1 

 0-0 

 0-0 

 0-1 

 00 

 01 

 0-1 

 0-1 

 0-1 

 0-2 

 0-3 

 0-1 

 0-1 

 00 

 0-0 

 0-0 

 0-0 



pt. 

 25 

 23 

 22 

 21 

 20 

 1 

 2 



20 



21 

 19 

 18 

 20 

 21 

 19 

 19 

 19 

 16 

 18 

 18 

 19 

 19 

 20 

 19 

 20 

 20 

 22 

 23 

 26 

 24 

 18 

 18 



22 



23 

 25 

 26 

 25 

 24 

 24 

 26 

 16 

 30 

 6 

 18 



5 

 12 

 14 

 20 

 16 

 18 

 26 



Clouds, 



Sc. :C.-s.:Ci. 



moving 



from 



pt. pt. pt. 



13 



12 



13 



13: 13 



13 



14 



20 



20 



21 



22: 



21 



— : 



21 



— : 



— 



22: 



— 



22: 



22 



— : 



22 



22: 



21 



: 



Sky 

 clouded 



22 

 19 

 19 



20 





0—10. 



8-0 

 9-5 

 8-0 

 5-0 

 5-0 

 7-0 

 10-0 

 10-0 



20 

 7-0 

 9-8 

 9-8 

 9-7 

 9-8 

 9-0 

 9-9 

 10-0 

 9-0 

 8-7 

 9-8 

 9-5 

 9-5 

 9-9 

 9-5 

 9-5 

 9-5 

 9-5 

 8-5 

 4-0 

 1-5 

 50 



6-0 



4-0 



4-0 



60 



10-0 



10-0 



7-0 



80 



9-2 



9-5 



90 



8-0 



9-0 



9-9 



10-0 



10-0 



10-0 



100 



10-0 



9-9 



9-8 



9-8 



Species of Clouds and Meteorological Remarks. 



Scud and cumuli ; cirro-strati and cirri. 

 Id. ; id. 



Id. ; id. ; cum.-str. Q 



Scud and cir.-cnm.-str. ; range of cum. on E. horizon ; cir.-str.; cum.-str, ; rain 0-% CS 

 Cir.-str.-scud^ cum.-str. ; cir.-str. ; fog rising from the ground. 



Id. ; id., denser. 



Fog ; objects invisible at 150 yards. 

 Id. ; id. 



j Sunday — Overcast, chiefly loose ragged cumuli; oc- 

 I casional showers. 



Cirro-strati round horizon ; cirrous haze to S. 

 Scud and cirro-strati. 



Id. 



Id. 

 Scud ; cirro-strati and cirro-cumulo-strati. 

 Misty scud very low ; cirro-cumulo-strati ; cirro-strati. 

 Id. ; id. ; id. © 



Scud ; id. ; id. 



Id. ; cirro-strati ; cirrous mass. 

 Scud and loose cumuli ; cirrous mass. 



Id. _ e 



Id. ; shower'"" 



Scud ; cum.-str. ; cir.-cum.-str. ; err. ; drops of rain. Q 

 Loose cumuli ; cirro-strati. [to NE. 



Scud ; loose cum. ; cir.-str. ; dense black mass of clouds 

 Cir.-cimi.-str. ; cir.-str. ; scud and cumuli on horizon. 

 Cirro-strati ; masses of scud and cum.-str. on horizon. 

 Scud and cirro-stratus ; cumulo-strati on horizon. 



Id. ; thick dark clouds to NW. 



Id. ; cirro-cumulo-strati. 



Id. ; id. ; cirri. 



Id. 



Id. 



Scud and cirro-stratus. 



Id. 



Id. 



Id. ; woolly cirri. 



Homogeneous mass ; fog, objects invisible at 2 miles, j 



Id. ; objects invisible at 1 mile. 



Misty scud to S. ; linear cirri ; traces of a solar halo.^i 

 Woolly cirri ; loose scud to S. ; partial solar halo, f ' 

 Diffuse cirri ; scud and loose cum. on hor. ; solar halcf! 



Id. ; cir. haze ; loose cum. round horizon ; solar halo.( 



Detached cum. ; cir. and cir. haze ; towering cum. to S. ; solar halo. ( 



Id. ; id. ( 



Id. ; id. ; solar halo. (i 



Cirro-cumulo-strati ; loose cumuli ; cirrous haze. ( 



Loose cum. ; cir.-cum.-str. ; cir.str. and cir haze ; portion of a sols 

 Loose cum. moving very slowly ; dense cir.-str. and cir. haze. '^*'''- j 

 Dense mass of cir.-str. and haze ; masses of scud and loose cumul 



Scud ; mass of cirro-stratus. ; rain'-^ [below; drops of rai 

 Id. ; id. ; slight drizzle. 



Cirro-stratous scud ; wavy cirro-strati ; cir.-cum.-str. | 

 Cir.-str. ; wavy cir.-str. radiating from NNE. and SSWi 

 Cirro-cumulo-strati ; cirro-strati. [sky to J 



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. Th' 

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



