Meteorology. S 1 Q 



Meteorological Ohservatiom made at Clapton, m Hackney 

 from April Uo 20, 1815. 



April \ to 7*. —The weather during this period was fine, 

 warm, and dry ; the wind for the most part westerly, with clouds 

 of curious modifications. Some slight showers now and then. 



April 8.— I perceived today that the wind was got to the 

 eastward. There were cirri and a cirrocumulative tendency in 

 the clouds, with cumuli below. The wind blew strong. 



April 9. — Easterly wind. Cloudy, with a shower in the mid- 

 dle of the day. 



April 10. — Hard rain early; clouded and damp the rest of 

 the day. Thermometer at "ll P.M. 52=. Barometer fallincr 

 30-00. Wind easterly. ** 



April \\. — Cloudy morning and misty; fair day, and very 

 warm. Fine calm evening. Cumuli and some cirrostratus. 

 Thermometer at midnight 45°. It had been 62° in the day. 



April 12. — Fine warm day, but with light showers. 



April ]3. — A very hard thunderstorm with hail and rain about 

 2 P.M. ; air warm ; night partially clouded. Some of the hail- 

 stones which fell during the hard storm this morning were 

 very large. The evening became cool. 



April 14. — Cold north wind. The change from the warmth 

 of the several preceding days to the present cold was very sensi- 

 bly felt. ^ 



April 15. —Cold N. wind with much cloudiness. Cumulo- 

 sratus forming out of the flimsy and confused modifications. 

 The Barometer rising to 30-20 at 1 1 P.M., and the Thermo- 

 meter down to the freezing point. 



April 1(J. — Confused masses of lofty cumulus eariy; after- 

 wards common ephemeral well-defined cumuli. Cold north 

 winds. 



April 17. — Fine clear morning; cwnuli formed afterwards. 



April 18.— Cold NE wind, and unpleasantly dusty. Fine 

 clear moon-light evening. 



April 19. — The weather still cold; the sky was ckear, except 

 CMW^^^/i increasing towards afternoon. The moon at night was 

 hazy with a faint halo, and the air was somewhat warmer. 



April 20. — Clouded and warmer than yesterday, with change 

 of wind, veering round to the eastward. During the morning 

 some small rain. Barometer .sinking. 



rive Houses, Clapton, 



April n, 1815. ThoMAJS FoRSTEH. 



A Lrilliaiit meteor was seen at Waltliainstow about 11 o'clock in tbe 



cvciiiiij^ o( the 'Jd. Il hdd lui <ibi.c'ndirig and uinvjliiiciu' ijiption. 



METEORO- 



