160 Mr. Howard's Meteorological Journal. [Feb. 



REMARKS. 



Twelfth Month. — 2. Some rain, a.m. 3. Hoar frost: Cirrostratus: the sky 

 quickly overcast : some sudden showers followed : evening Nimbi, the wind going 

 to NE with force. 4. Hoarfrost: fine, with Cirrostratus : misty, p.m.: windy 

 night. 5. Very cloudy, a.m.: a gale in the night, followed by rain. 6. Over- 

 cast, a.m.: fine and calm mid-day: Cirrocwnulus. 7. Hoarfrost: Cirrostratus, 

 with a stormy appearance, a. m. : fine, p.m. : rain, with a gale of wind, in the 

 night. 8. Cirrostratus at sun-rise, the wind gone down: wet at intervals: Nimbi: 

 much wind again at night. 9. Cloudy, a.m.: about noon Cirrostratus, and after 

 it Ciiri in elevated bars stretching N and S, coloured red at sun-set: starlight, with 

 small meteors. 10. Snowing by nine, a. m. : at eleven the ground was white, when 

 it ceased : clear night. 11. The sun emerged from Cirrostrati : rather misty air: 

 the wind gentle at SW, a.m. but easterly in the night. 12, a.m. Vane at SW : 

 calm: much rime, with a misty air till evening: a thaw in the. night. 13. Ob- 

 scure by Cirrostratus, a.m.: the hygrometer proceeding towards moisture: rain, 

 gentle in the day : heavier, with wind, in the night. 14. Cirrostratus prevailed in a 

 uniform close canopy about the height of the neighbouring hills, on which I found 

 it misty in consequence, while small rain fell belew : early in the night came on 

 wind, with showers. A perfect, but colourless lunar bow, was observed about 

 ten, p.m. and reported to me by a gentleman whom I accidentally met with at 

 Stamford Hill in the morning. 15. Hoar frost: the sun emerged from a low Cirro- 

 »tralus: very wet, p. m. and night. 16. Wet, a.m.: in the night a heavy gale, 

 ceasing about three. 17. Fair, a.m.: abscure afterwards by Cirrastratus : in the 

 night a most violent westerly gale, increasing and decreasing in force by slow in- 

 tervals, with much rain. 18. Windy: bright moonlight. 19. Wet, p.m. 20. The 

 wind got to NE, a fresh breeze, but at night the clouds came from NW. There 

 was a manifest mutual attraction between the low clouds and the smoke of London. 

 21. Fair: the clouds tending to Cumulo stratus. 22. A very slight sprinkling of 

 snow, crystallized in stars. 25. The same, in grains as fine as basket salt. 

 26. Orange-coloured sun-rise, with red Cirri: hoar frost: a lunar corona last 

 night, surrounded by a prismatic halo. 27. After fine dry frost for some days, a 

 thaw early this morning, with rain : in the night a gale, with showers, after which 

 a ground frost. 28. A little snow at mid-day: the temp. 19° on the ground at 

 night. 30. Wet, p. m. 31. A frozen mist came on at eight, a. m. from the south- 

 ward ; and after a clearer interval there was again a very thick fog in the evening. 



RESULTS. 



Winds Variable. 



Barometer : Greatest height 30-08 inches ; 



Least 28-54 inches; 



Mean of the period 29-508 inches. 



Thermometer: Greatest height 48° 



Least 18° 



Mean of the period 32-66° 



Mean of the hygrometer 78° 



Rain 368 inches. 



Evaporation 0-38 



Tottenham, First Month, 10, 1818. L. HOWARD. 



