M«TEOROLOGICAL JOURNAL. 305 



REMARKS. 



Ninth Month. 26. Windy. Some rain in the night. 28 a. 

 03. Very foul sky. 28, 2g, 30. Rain at intervals in very small 

 quantity. 



Tenth Month. 1. A thiinder-storm about 1, p.m. which 

 was chiefly in the W. with heavy showers. 4, 5. Much dew. 

 A storm of wind about midnight on the 5th. 6. Windy. 7- 

 Misty morning : the trees dripping. 8. Rainbow, several 

 times repeated between 8 and 9, a. m. Showers followed. 10. 

 Rainbow, p. m\ 11, 12. Rain in the night, misty morning. 

 13. Cirrostratus and Nimbus a. m. sunshine, and showers : a 

 wet night. ]6. Sunshine, with Cumulostratus. 17. Misty 

 morning. 18. Squally during the night, with heavy sho\yers. 

 19. Thunder and lightning about 2 p. m. Very heavy 

 squalls with rain. 20. Sunshine a.m. much wind. 21. Clear 

 and calm this evening. 22. a. m. Overcast, windy. In the 

 eyening a wet squall, with some lightning. 24. No swallows 

 have been since the 19th or 20th. 25. A few swallows ap- 

 peared again to-day. 



RESULTS. 



Prevailing winds westerly. 



Barometer : highest observation, 30-04 inches j lowest 28*74 inclits ; 



Mean of the period 29'468 inches. 



Thermometer : highest observation 69" ; lowest 34». 



Mean of the period 51"46". 



Evaporation 0'63 inches. Rain 3-64 inches. 



The evaporation was much greater, during the above period thaa 



the amount here stated ; as appears by observations as the Laboratory. 



It was probably not less than 2 inches. The situation of the guage 



had beeO/'Changed. 



Plaistow, . L. HOWARD. 



Eleventh Month, 18,1812. 



Vol. XXXIII, No. 154.— Dicsm8sr> 1812, X XI. 



