320 Mr. Howard's Meteorological Journal. [April, . 1818. 



REMARKS. 



First Month. — 30. Squally : showers, a. m. : wind and rain in the night. 



Second Month. — 1. Hoar frost: rain, followed by snow in large flakes: Cumu- 

 iostratus and Nimbus. 2. Hoar frost: fine Cirri, with Cirrostratus, a. m. : the 

 lower modifications with some loose snow, p.m. 3. Fair : hoar frost. 4. Cloudy 

 morning : snow on the waggons from the north, probably of last night : it seems to 

 be the wind blowing over snow that keeps down our temperature to 32°. 5. A few 

 drops of rain about nine, a. m. : after which very fine, with Cumulus and inoscula- 

 tion. 6. Hoarfrost: misty. 7. Hoarfrost: the paths icy: mist increases, with 

 a calm air. 8. Misty: rime to the tops of the trees. 9. Misty: the rime falls 

 partially. 10. Misty till eveniug, when it cleared up, and the rime fell off. 

 11 — 15. Hoarfrosts, with fine weather : Cumuli, &c : on the 15th a few drops of 

 rain. 16. Very fine, with Cumuli, &c. : at seven, p. m. a large faint lunar halo. 

 17. Fine, with Cirrocumulus, &c. 18. Windy: wet, p. m. 19. A slight Stratus, 

 a.m.: wet evening: windy night. 20. Hoarfrost: somewhat misty : rain before 

 noon: some bail in a shower at half-past one : after this Cumulus, with Cirrus and 

 Cirrostratus above : the latter imbricated, or overlapping, like the branches of a 

 pine-tree : then Nimbi amidst groups of other clouds, thelofty crowns of which were 

 long coloured with a fine gradation of red tints about sun-set: the sky around the 

 moon showed violet, while the disc was brassy. 21. Much wind, a. m. with clouds 

 driving high and close : wet, p. m. : at evening a lighter sky, with Cumulus and 

 Cirrocumulus, ending in Cirrostratus, with a lunar corona. 22. Morning cloudy 

 and dark, by a large mass of smoke passing near us in the S. : rain, sleet: snow to 

 the depth of several inches, with a very gentle breeze: moonlight evening. 

 23. Fair : much snow on the trees and shrubs : a strong westerly breeze : the rise of 

 the barometer, like the previous fall, very sudden : at night stormy, with hail and 

 much rain. 24. The snow mostly gone : elevated Cirri, with Cumuli in a pale blue 

 sky : after Cirrostratus and haze at evening, a gale through the night. 25. Much 

 wind, with driving clouds : temperature 48° at nine, a.m. 26. a.m. Rain: 

 snow in very large flakes : sleet : much water out since the late rains : rocky Cu- 

 muli, followed by Nimbi and gusts of wind, p. m. : clouds coloured at sun-set. 

 27. Wet, a. m. : fine evening after a rainbow. 28. Elevated Cirri and Cirrocu- 

 muli stretching N. W. and S E. : general obscurity followed, with showers and 

 wind. 



RESULTS. 



Winds variable: in the latter part stormy from the Westward. 



Barometer: Greatest height 30 - 16inches; 



Least 28-85 inches; 



Mean of the period 29 - 975 inches. 



Thermometer : Greatest height .' 52° 



Least 20° 



Mean of the period 34*20° 



Mean of the hygrometer 80-0° 



Rain SlOinches. 



The evaporation for this and the preceding period taken together, is 1-38 inch. 



Tottenham, Third Month, 26, 1818. L. HOWARD. 



