474 Mr, Howard's MeteorologicalJournal. [Dec. 1820. 



REMARKS. 



Tenth Month.— \— 8. Fine. 9, 10. Cloudy, II, 12, Fine. 13. Hoar frost: 

 cloudy. 14—16. Showery: a little hail : very tempestuous night, tvith frequent 

 showers. 19. Cloudy. 20. Cloudy: a shower of hail at two, p.m. 21. Foggy 

 morning: cloudy day: stormy, wet night. 22. Stormy, with rain and sleer. 

 23—25. Cloudy. 27. Showers: cloudy. 28. Cloudy. 29. Rainy. 30. Fine. 

 31. Cloudy, 



RESULTS. 



■Winds: N,3; NE,5; E,2; SE, 2 ; S,3; SW,7; W, 2 ; NW,7. 



Barometer: Mean height 



For the month 29-615 inches. 



For the lunar period, ending the 27th 29-6&6 



For 14 days, ending the 5th (moon north) 30-182 



For 14 days, ending the 19th (moon south) 26-720 



Thermometer : Mean height 



For the month 47-379° 



For the lunar period, ending the 27th 48-224 



For 30 days, the sun in Libra 49-416 



Evaporation 2-12 inch. 



Rain 2-30 



IMean of hygrometer 65° 



At Tottenham, mean temperature for the month (the 4th, 5th, and 27th days 

 •wanting), 47-50°; rain, 1 90 in. On (he 17th, a brilliant meteor, about seven, 

 p.m. descending to the N\V, followed by a lunar halo. 19. Solar halo, at three, 

 p.m. 20i Several finely-coloured Nimbi in the S. mbout sun-set. The swallows 

 continued about till near the close of the month in considerable numbers. The 

 movements of the barometer, after the great depression on the 14th, were singularly 

 desultory, the curve changing its direction almost every 24 hours. 



laboratory, Stratford, Eleventh Month, 25, 1820. R. HOWARD. 



