400 



Meteorological Journal, [May, 18 iS-. 



REMARKS. 



Third Month. 27- Hoar frost: large spreading Cirri, 

 28. Temperature 60° in the evening. 29. Overcast sky. 30. A 

 veil of Cirroslraius, a. m. The Cumulus afterwards showed 

 itself, and a slight shower ensued. 



Fourth Month, 1. Stormy, with rain. 2. Hoar frost: a 

 sprinkling of opake hail about sun rise ; several shov/ers of this, 

 and some rain, daring the day. 3. Hoar frost : Cumulus a. m. 

 showers of snow and of opake hail p. m. 5. a. m. Cirros trains : 

 wet and windy. 10. Cirrus and Cumulus clouds: the winds 

 increase in strength from the N. E. The mornings have been 

 misty of late, and there have been plentiful dews, in consequence 

 of the great diifcrence between the temperature of day and 

 night. }5. Wind boisterous in the evening. 16\ Cloudy a.m. 

 17. Slight showers. 20. From the 7th of this month we have 

 had summeriike days and cold nights: the roads have become 

 very dusty, and the earth considerably dry. 21. Some clouds of 

 a threatening appearance from the N.E. in the evening, attended 

 with depression of temperature. 22. p. m. Hasty showers, 

 mixed with hail; after which, steady small rain till evening. 

 23. Cloudy: several scanty hail showers, from large Nimbus 

 clouds passing over. During the .approach of ^ one of these, a 

 slender, tapering, and somewhat twisted, column, appeared in 

 front, detached from the main body, and reaching down to the 

 earth, in the manner of a water-spout. In a few minutes, by 

 spreading on all sides, it became incorporated with the rest of 

 the shower. This is not a very uncommon appearance 3 but I 

 have seldom seen it so perfectly exhibited. 



RESULTS. 



Prevailing Wind Westerly, interrupted (after the middle of the 

 period) by an Easterly current. 

 Barometer : Greatest observed height . .30*50 inches ; 



Least 29*18 inches ; 



Mean of the period 30*005 inches^ 



Thermometer: Greatest observed height . .69° 



Least 27® 



Mean of the period 49*1 1° 



Evaporation, 2*38 inch. Rain, &c. 0*70 inches. 



Tottenham, L. HOWARD. 



Fourth Months 25, 1813. 



Erratum in the First Edition of N° IV. 

 Page 307, lines 33 and 36^ for « Hauy" read « Cuvier.'' 



